Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Philadelphia to London Heathrow Airport from £244

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — LHR
6 Jun — 13 Jun1
1 adult
Thu 6/6
Thu 13/6

The best prices from Philadelphia to London Heathrow are usually found in November or April, booked 10 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from Philadelphia to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 June 2024.

Popular in

June

Cheapest in

November

Average price

£995

Round-trip from

£68
High demand for flights, 29% potential price rise
Search Deals
Best time to find cheap flights, 23% potential price drop
Search Deals
Average for round-trip flights in June 2024
Search Deals
From Philadelphia to London Heathrow
Search Deals

What is the cheapest day to fly round-trip from Philadelphia to London Heathrow Airport?

Tuesday flights are generally found to be more expensive for flights from Philadelphia to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

How far in advance should I book a flight from Philadelphia to London Heathrow Airport?

To save on the cost of your flight from Philadelphia to London Heathrow Airport, book at least 26 days before your planned departure. Booking around this time can save you about 52% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £507 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £781.

What is the cheapest month to fly from Philadelphia to London Heathrow Airport?

February is one of the best times of the year to fly to London Heathrow Airport from Philadelphia. Prices for February average £687 per person but you can even find prices for as low as £417. The most expensive prices can be found in the month of June. Opting for a February flight can save you 37% on your journey compared to booking in June

What is the cheapest time of day to fly from PHL to LHR?

Unlike at midday, when flights are generally more expensive, you can save up to 41% on flights from Philadelphia to London Heathrow Airport by exploring options for tickets in the afternoon.

Cheap Aer Lingus flights from Philadelphia to Heathrow

Explore cheap flight options specifically provided by Aer Lingus for the route between Philadelphia and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.
Find some of the cheapest Aer Lingus flights travelling from Philadelphia to London. Deals update often to give you more flight options matching your criteria
Thu 12/920:40PHL - LHR
1 stop9h 30mAer Lingus
Mon 16/913:25LHR - PHL
1 stop10h 45mAer Lingus
Deal found 31/5£523
Wed 11/920:55PHL - LHR
1 stop12h 00mAer Lingus
Tue 24/913:25LHR - PHL
1 stop11h 00mAer Lingus
Deal found 31/5£526
Tue 20/820:55PHL - LHR
1 stop10h 45mAer Lingus
Tue 27/813:25LHR - PHL
1 stop11h 00mAer Lingus
Deal found 1/6£531
Sat 8/615:45PHL - LHR
2 stops12h 20mAer Lingus
Wed 12/621:10LHR - PHL
1 stop27h 00mAer Lingus
Deal found 31/5£1,105

  • If you’re travelling from Philadelphia to London Heathrow Airport, one of the more common airlines travelling that route is Aer Lingus. Flights from Aer Lingus travelling this route typically cost £1,156.05 RT. This price is typically 45% cheaper than other airlines that offer Philadelphia to London Heathrow Airport flights. When booking this route, the cheapest RT price found was £623. The most popular departure airport in Philadelphia when flying to London Heathrow Airport is Philadelphia Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from Philadelphia to London Heathrow Airport, Aer Lingus flights are 5% more popular than any other airline flying that same route.

Cheap JetBlue flights from Philadelphia to Heathrow

Explore cheap flight options specifically provided by JetBlue for the route between Philadelphia and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.
Some of the best deals we've found on JetBlue flights travelling from Philadelphia to London. Deals frequently update to provide users with more options.
Wed 4/914:25PHL - LHR
1 stop11h 05mJetBlue
Wed 11/908:25LHR - PHL
1 stop14h 01mJetBlue
Deal found 1/6£524
Wed 4/914:25PHL - LHR
1 stop11h 05mJetBlue
Wed 11/908:25LHR - PHL
1 stop13h 50mJetBlue
Deal found 31/5£525
Fri 6/914:25PHL - LHR
1 stop11h 05mJetBlue
Tue 10/908:25LHR - PHL
1 stop18h 10mJetBlue
Deal found 31/5£533
Sat 8/615:45PHL - LHR
1 stop9h 45mJetBlue
Tue 11/608:25LHR - PHL
1 stop11h 23mJetBlue
Deal found 1/6£726
Mon 10/615:45PHL - LHR
1 stop9h 45mJetBlue
Sun 16/608:25LHR - PHL
1 stop14h 35mJetBlue
Deal found 1/6£764
Sat 8/610:30PHL - LHR
1 stop15h 00mJetBlue
Mon 17/608:25LHR - PHL
1 stop14h 35mJetBlue
Deal found 1/6£809
Thu 6/610:30PHL - LHR
1 stop15h 00mJetBlue
Thu 20/608:25LHR - PHL
1 stop14h 35mJetBlue
Deal found 31/5£816
Mon 10/610:30PHL - LHR
1 stop15h 00mJetBlue
Sun 16/608:25LHR - PHL
1 stop14h 35mJetBlue
Deal found 31/5£819
Thu 6/615:45PHL - LHR
1 stop9h 45mJetBlue
Tue 11/608:25LHR - PHL
1 stop16h 28mJetBlue
Deal found 1/6£837

  • JetBlue is one of the most popular airlines used for those travelling from Philadelphia to London Heathrow Airport. Philadelphia to London Heathrow Airport flights are typically 69% cheaper than other airlines traveling the same route. Flights from JetBlue typically cost £763.30 RT. The cheapest JetBlue flight found for this route was £520. When travelling from Philadelphia to London Heathrow Airport on JetBlue, the most popular airport to depart from is Philadelphia Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Philadelphia to London Heathrow Airport, JetBlue flights are -1% more popular than any other airline flying that same route.

Cheap Philadelphia to Heathrow flights in June & July 2024

Find cheap flight options from Philadelphia to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 909,873 searches. Prices were last updated on 1 June 2024.
Listed are some of the best fares we've found on flights departing from Philadelphia to London in 2024. More deals are always being added, so be sure to check back regularly.
Wed 5/610:05PHL - LHR
1 stop15h 25mAir Canada
Tue 11/609:30LHR - PHL
1 stop17h 03mAir Canada
Deal found 31/5£652
Wed 12/622:30PHL - LHR
Nonstop7h 00mBritish Airways
Wed 19/606:10LHR - PHL
1 stop12h 00mBritish Airways
Deal found 31/5£658
Wed 12/606:20PHL - LHR
2 stops19h 10mMultiple Airlines
Wed 19/608:40LHR - PHL
2 stops18h 19mMultiple Airlines
Deal found 31/5£659
Tue 4/619:40PHL - LHR
Nonstop7h 05mBritish Airways
Fri 14/609:45LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 31/5£661
Wed 5/619:15PHL - LHR
1 stop32h 55mBritish Airways
Mon 10/620:20LHR - PHL
1 stop24h 25mBritish Airways
Deal found 30/5£676
Mon 3/615:40PHL - LHR
1 stop11h 20mAmerican Airlines
Sun 9/606:10LHR - PHL
1 stop12h 00mAmerican Airlines
Deal found 30/5£679
Sun 9/620:35PHL - LHR
1 stop19h 05mLufthansa
Tue 18/606:30LHR - PHL
1 stop14h 30mLufthansa
Deal found 30/5£686
Mon 3/616:10PHL - LHR
2 stops47h 50mAir Canada
Sun 9/609:30LHR - PHL
1 stop10h 58mAir Canada
Deal found 30/5£691
Tue 25/622:30PHL - LHR
Nonstop7h 00mFinnair
Thu 4/709:45LHR - PHL
Nonstop7h 55mFinnair
Deal found 30/5£694

Philadelphia to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.
Listed are some of the best fares we've found on flights departing from Philadelphia to London in 2024. More deals are always being added, so be sure to check back regularly.
Wed 16/1018:30PHL - LHR
Nonstop7h 10mAmerican Airlines
Thu 21/1106:50LHR - PHL
1 stop10h 25mAmerican Airlines
Deal found 1/6£445
Mon 23/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Tue 1/1008:20LHR - PHL
1 stop13h 00mBritish Airways
Deal found 31/5£446
Wed 16/1018:40PHL - LHR
1 stop13h 00mAmerican Airlines
Thu 21/1106:50LHR - PHL
1 stop10h 25mAmerican Airlines
Deal found 31/5£448
Wed 2/1018:40PHL - LHR
1 stop13h 00mAmerican Airlines
Wed 9/1008:50LHR - PHL
1 stop12h 30mAmerican Airlines
Deal found 31/5£449
Wed 25/1215:30PHL - LHR
1 stop13h 45mAmerican Airlines
Fri 10/106:50LHR - PHL
1 stop10h 25mAmerican Airlines
Deal found 31/5£449
Wed 2/1018:30PHL - LHR
Nonstop7h 10mBritish Airways
Tue 8/1008:20LHR - PHL
1 stop13h 00mBritish Airways
Deal found 31/5£452
Mon 30/922:50PHL - LHR
Nonstop7h 00mMultiple Airlines
Wed 9/1006:10LHR - PHL
1 stop12h 00mMultiple Airlines
Deal found 31/5£455
Mon 7/1018:40PHL - LHR
1 stop10h 40mAmerican Airlines
Wed 30/1008:20LHR - PHL
1 stop13h 10mAmerican Airlines
Deal found 31/5£457
Tue 1/1018:30PHL - LHR
Nonstop7h 10mBritish Airways
Mon 21/1019:35LHR - PHL
1 stop22h 30mBritish Airways
Deal found 31/5£461

Direct flights to Heathrow from Philadelphia

Discover direct flight options from Philadelphia to Heathrow. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.
Take a look at some of the direct flights travelling from Philadelphia to London in the near future. Users seeking other options on flights from Philadelphia to London should update the search form at the top of the page.
Tue 1/1022:50PHL - LHR
Nonstop7h 00mBritish Airways
Thu 10/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 31/5£471
Wed 2/1018:30PHL - LHR
Nonstop7h 10mBritish Airways
Fri 11/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 31/5£477
Wed 2/1022:50PHL - LHR
Nonstop7h 00mFinnair
Wed 9/1013:40LHR - PHL
Nonstop7h 55mFinnair
Deal found 31/5£500
Mon 14/1018:30PHL - LHR
Nonstop7h 10mIberia
Mon 28/1013:10LHR - PHL
Nonstop8h 20mIberia
Deal found 31/5£506
Tue 1/1022:50PHL - LHR
Nonstop7h 00mFinnair
Sun 13/1013:00LHR - PHL
Nonstop7h 55mFinnair
Deal found 31/5£510
Thu 19/919:40PHL - LHR
Nonstop7h 05mBritish Airways
Tue 24/909:45LHR - PHL
Nonstop8h 00mBritish Airways
Deal found 30/5£511
Mon 23/919:40PHL - LHR
Nonstop7h 05mBritish Airways
Mon 30/913:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 1/6£511
Wed 2/1018:30PHL - LHR
Nonstop7h 10mBritish Airways
Sat 12/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 31/5£516
Wed 2/1018:30PHL - LHR
Nonstop7h 10mFinnair
Sun 13/1013:00LHR - PHL
Nonstop7h 55mFinnair
Deal found 31/5£540

Philadelphia to Heathrow flights leaving soon

Find last-minute flight options from Philadelphia to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.
Have a look at some of the flights available from Philadelphia to London departing last-minute. It's wise to confirm all flight details are correct before booking.
Sun 9/620:35PHL - LHR
1 stop19h 05mLufthansa
Tue 18/606:30LHR - PHL
1 stop14h 30mLufthansa
Deal found 30/5£686
Fri 7/621:05PHL - LHR
1 stop20h 10mBritish Airways
Mon 10/616:35LHR - PHL
1 stop28h 10mBritish Airways
Deal found 31/5£711
Thu 6/617:35PHL - LHR
1 stop11h 05mUnited Airlines
Thu 13/607:25LHR - PHL
2 stops20h 53mUnited Airlines
Deal found 30/5£719
Sun 9/610:56PHL - LHR
1 stop19h 14mDelta
Tue 18/606:15LHR - PHL
2 stops16h 42mDelta
Deal found 30/5£723
Fri 7/618:40PHL - LHR
1 stop20h 00mBritish Airways
Mon 10/620:20LHR - PHL
1 stop24h 25mBritish Airways
Deal found 30/5£724
Thu 6/619:15PHL - LHR
1 stop20h 10mBritish Airways
Thu 13/612:30LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 30/5£725
Sat 8/615:45PHL - LHR
1 stop9h 45mJetBlue
Tue 11/608:25LHR - PHL
1 stop11h 23mJetBlue
Deal found 1/6£726
Tue 11/619:20PHL - LHR
Nonstop7h 25mBritish Airways
Sun 30/618:15LHR - PHL
1 stop26h 10mBritish Airways
Deal found 30/5£728
Tue 11/616:00PHL - LHR
1 stop11h 05mBritish Airways
Sun 30/619:05LHR - PHL
1 stop25h 20mBritish Airways
Deal found 30/5£732

One-way flights to Heathrow from Philadelphia

Search for one-way flight options from Philadelphia to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.
Some of the best available deals we've found on one-way flights from Philadelphia to London. Users needing a return flight from Philadelphia to London should utilize the search form above.
Tue 30/722:59PHL - LHR
2 stops31h 56mMultiple Airlines
Deal found 31/5£244
Tue 9/722:59PHL - LHR
2 stops55h 56mMultiple Airlines
Deal found 31/5£244
Mon 9/910:05PHL - LHR
2 stops23h 10mMultiple Airlines
Deal found 30/5£247
Wed 7/810:12PHL - LHR
2 stops23h 28mMultiple Airlines
Deal found 31/5£252
Thu 29/810:21PHL - LHR
2 stops23h 19mMultiple Airlines
Deal found 31/5£262
Fri 19/722:59PHL - LHR
2 stops34h 31mMultiple Airlines
Deal found 31/5£267
Mon 2/906:00PHL - LHR
2 stops27h 15mMultiple Airlines
Deal found 31/5£277
Tue 30/708:33PHL - LHR
3 stops32h 07mMultiple Airlines
Deal found 31/5£278
Mon 23/914:25PHL - LHR
1 stop11h 05mJetBlue
Deal found 31/5£280

Find flights from Philadelphia to Heathrow within your budget

Customise your flight search to find flights from Philadelphia to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£445 - £495

Route

Depart

Return

Price

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Wed 16/10

Nonstop7h 10m

London Heathrow

Thu 21/11

1 stop10h 25m

£445

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Mon 23/9

Nonstop7h 10m

London Heathrow

Tue 1/10

1 stop13h 00m

£446

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Mon 30/9

Nonstop7h 00m

London Heathrow

Wed 9/10

1 stop12h 00m

£455

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Sun 10/11

1 stop9h 40m

London Heathrow

Fri 22/11

2 stops29h 26m

£464

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Tue 1/10

Nonstop7h 00m

London Heathrow

Wed 9/10

Nonstop7h 55m

£471

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Mon 30/9

1 stop9h 20m

London Heathrow

Thu 10/10

1 stop11h 01m

£471

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Wed 2/10

1 stop12h 15m

London Heathrow

Fri 11/10

Nonstop7h 55m

£475

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Wed 2/10

1 stop13h 08m

London Heathrow

Wed 9/10

2 stops17h 15m

£477

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Mon 28/10

2 stops19h 25m

London Heathrow

Mon 4/11

2 stops30h 17m

£495

Flights are sorted by cheapest first

Deals found on 1/6

How far ahead should I book a flight from Philadelphia to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Philadelphia to Heathrow. Price data was last updated on 24 May 2024.
The best time to book flights from Philadelphia to London Heathrow Airport is 10 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Philadelphia to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Philadelphia to Heathrow. Price data was last updated on 26 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Philadelphia to London Heathrow Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Philadelphia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Philadelphia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 1 June 2024.
Peruse reviews from past customers who have flown with Aer Lingus, JetBlue and British Airways from Philadelphia to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very Good
10,410 reviews
Delta
8.0
Very Good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,941 reviews
Delta
8.0
Very Good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Finnair
7.8
Good
1,368 reviews
Delta
8.0
Very Good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

JetBlue
7.6
Good
4,346 reviews
Delta
8.0
Very Good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,754 reviews
Delta
8.0
Very Good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to London Heathrow?

    Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to London Heathrow. You should not have trouble finding flights to London Heathrow from Philadelphia; the airport handles an average of 12 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Philadelphia airport to London Heathrow. It is only a 7.0 mi journey to Philadelphia (PHL) from Philadelphia’s city center.

  • Can I find flights from Philadelphia to London Heathrow Airport for under £500 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to London Heathrow Airport for under £500. The cheapest flight booked recently is on American Airlines for just £445, but on average you can expect to pay £462.

  • Are there nonstop flights from Philadelphia to London Heathrow Airport for under £500 on Cheapflights?

    Cheapflights has at least 20 direct flights from Philadelphia to London Heathrow Airport under £500. A good price for a nonstop flight from Philadelphia to London Heathrow Airport is less than £541.

  • Are there last-minute flights available from Philadelphia to London Heathrow Airport for under £700?

    There are currently 20+ open flights from Philadelphia to London Heathrow Airport within the next 7 days for less than £700.

  • What days are direct flights available from Philadelphia to London Heathrow Airport?

    Direct flights can be found on the following days: Sunday, Monday, Saturday.

  • How many flights depart from Philadelphia to London Heathrow Airport on average per day?

    12 flight departures from Philadelphia to London Heathrow Airport per day on average.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Philadelphia to London Heathrow Airport?

    For as low as £445, American Airlines can have you in London Heathrow Airport from Philadelphia in 7h 10m. Philadelphia and London Heathrow Airport are separated by a distance of 3555 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Philadelphia to London Heathrow Airport round-trip?

    Our cheapest airline available from Philadelphia to London Heathrow Airport is American Airlines. Our recent data shows that you can find tickets from as low as £445 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at £446 and £464 round-trip. Users have found that American Airlines is 37% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Philadelphia to London Heathrow Airport?

    Consider EL AL (97%), Qatar Airways (90%) or Malaysia Airlines (84%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to London Heathrow Airport.

  • What are the cheapest flights from Philadelphia to London Heathrow Airport?

    The cheapest flight price from Philadelphia to London Heathrow Airport is £385. On average you can expect to pay £765. The most popular route, (Philadelphia - London Heathrow), can usually be booked for £446.

  • What does PHL to LHR mean?

    PHL and LHR are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. PHL to LHR refers to a flight route from Philadelphia Airport to London Heathrow Airport.

  • Can I find deals for flights from Philadelphia to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Philadelphia to Heathrow that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Heathrow.

  • Can I find deals for business class flights from Philadelphia to Heathrow?

    Yes. Cheapflights offers flight deals from Philadelphia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Philadelphia to Heathrow that allow pets onboard?

    Many airlines flying from Philadelphia to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Heathrow?

    Yes, you can often find last-minute deals on Philadelphia to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to London Heathrow Airport flight deals updated?

    The Philadelphia to London Heathrow Airport flight deals you see on this page were last updated on 1/6.

  • What are the most popular airlines that fly from Philadelphia to London Heathrow Airport?

    When booking a flight from Philadelphia to London Heathrow Airport, you may want to consider flying on Air France, Finnair or JetBlue as they are the most popular for this route.

  • What is the cheapest month to book a flight from Philadelphia to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to London Heathrow Airport (average of £110). Flying from Philadelphia to London Heathrow Airport in June is currently the most expensive (average of £162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
Newark to London City flights
LaGuardia to Gatwick flights
Newark to Luton flights
Dulles Intl to Gatwick flights
John F Kennedy Intl to Stansted flights
Dulles Intl to London City flights
Reagan-National to Heathrow flights
Reagan-National to Gatwick flights
Newark to Stansted flights
Dulles Intl to Luton flights
Philadelphia to Gatwick flights
Pittsburgh to Heathrow flights
Reagan-National to Stansted flights
John F Kennedy Intl to Southend flights
Reagan-National to Luton flights
Pittsburgh to Gatwick flights
Pittsburgh to London City flights
Philadelphia to Stansted flights
Philadelphia to Luton flights
Pittsburgh to Luton flights
LaGuardia to Stansted flights
Harrisburg to Heathrow flights
Elmira to Heathrow flights
State College to Heathrow flights

Top 7 airlines flying from Philadelphia to Heathrow

Discover the top 7 airlines that operate flights from Philadelphia to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 909,873 searches. Data last updated 1 June 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£409Average£600FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£443Average£667FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£446Average£504FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£446Average£659FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£489Average£908FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£518Average£682FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£526Average£948FlexibilityNo cancel feeOn-time77%
Search Air France flights
London Heathrow Airport to Mumbai flights
Newcastle upon Tyne to London flights
Leeds to Dublin flights
Birmingham to Rome flights
London Gatwick Airport to Tenerife flights
London to Porto flights
London to The Bahamas flights
Birmingham to Edinburgh flights
Southampton to Newcastle upon Tyne flights
Bristol to Manchester flights
Birmingham to Türkiye flights
Philadelphia to London flights

Search flights from Philadelphia to Heathrow by cabin class

Find flights from Philadelphia to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Hourly flight availability from Philadelphia to Heathrow

Find hourly flight availability from Philadelphia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 June 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
25%of flight departuresAfternoonNoon to 6 pm
74%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Weekly flight availability from Philadelphia to Heathrow

Explore weekly flight availability from Philadelphia to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 June 2024.
Monday12daily flights
Tuesday12daily flights
Wednesday12daily flights
Thursday12daily flights
Friday12daily flights
Saturday12daily flights
Sunday12daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Erie
Flights to Reggio Calabria Tito Menniti
Flights to Salerno Costa d'Amalfi
Flights to Leh
Flights to Guilin
Flights to Dire Dawa Aba Tenna D Yilma
Flights to Houmt Souk Melita
Flights to La Paz El Alto Intl
Flights to Edremit/Korfez
Flights to Skardu
Flights to Asaba Intl
Flights to Elazig
Flights to Lhasa
Flights to Samarkand
Flights to Gazipasa
Flights to Jinhua Yiwu
Flights to Hefei Xinqiao Intl
Flights to Nouakchott
Flights to Kuantan
Flights to Antakya Hatay
Flights to Malatya Erhac
Flights to Makale
Flights to Ashgabat
Flights to Aswan

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Philadelphia to Heathrow?

Cheapflights makes it easy to find Philadelphia to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Philadelphia to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Philadelphia to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Philadelphia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Philadelphia to Heathrow become cheaper?

Yes! Start tracking prices for Philadelphia to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines