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Cheap flights from Philadelphia to London Heathrow Airport from £248

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 17/7. 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
23 apr. — 30 apr.1
1 adult
tir. 23/4
tir. 30/4

The best prices from Philadelphia to London Heathrow are usually found in January or February, booked 72 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 18 april 2024.

Popular in

June

Cheapest in

January

Average price

£728

Round-trip from

£73
High demand for flights, 32% potential price rise
Best time to find cheap flights, 21% potential price drop
Average for round-trip flights in April 2024
From Philadelphia to London Heathrow

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 25 days before your planned departure. Booking around this time can save you about 45% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £631 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £816.

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 £767 per person but you can even find prices for as low as £443. The most expensive prices can be found in the month of June. Opting for a February flight can save you 47% on your journey compared to booking in June

When is the cheapest time to fly from Philadelphia to London Heathrow Airport (PHL - LHR)?

Unlike in the morning, when flights are generally more expensive, you can save up to 51% on flights from Philadelphia to London Heathrow Airport by exploring options for tickets in the afternoon.

Cheap Delta flights from Philadelphia to Heathrow

Explore cheap flight options specifically provided by Delta 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 899,432 searches. Data last updated 18 april 2024.
Find some of the cheapest Delta flights travelling from Philadelphia to London. Deals update often to give you more flight options matching your criteria
man. 7/1017:15PHL - LHR
2 stops15h 00mDelta
ons. 30/1006:20LHR - PHL
2 stops18h 55mDelta
Deal found 17/4£511
ons. 2/1017:15PHL - LHR
2 stops15h 00mDelta
ons. 9/1010:50LHR - PHL
2 stops17h 39mDelta
Deal found 17/4£516
ons. 1/512:40PHL - LHR
2 stops15h 20mDelta
ons. 8/506:15LHR - PHL
2 stops16h 07mDelta
Deal found 18/4£531
tor. 2/509:58PHL - LHR
2 stops16h 17mDelta
tor. 9/506:15LHR - PHL
2 stops16h 07mDelta
Deal found 17/4£551
ons. 24/412:40PHL - LHR
2 stops16h 35mDelta
man. 6/509:00LHR - PHL
2 stops17h 39mDelta
Deal found 16/4£551
fre. 26/409:00PHL - LHR
1 stop17h 50mDelta
man. 29/411:30LHR - PHL
2 stops16h 45mDelta
Deal found 18/4£588
fre. 26/415:18PHL - LHR
2 stops13h 57mDelta
man. 29/411:30LHR - PHL
2 stops16h 45mDelta
Deal found 18/4£591
  • Delta is one of the most popular airlines used for those travelling from Philadelphia to London Heathrow Airport. Flights on this route from Delta typically cost £1,497.13 RT, a price that is 34% cheaper than the average Philadelphia to London Heathrow Airport flight. The cheapest flight found was £650 RT. When travelling from Philadelphia to London Heathrow Airport on Delta, 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, Delta flights are 5% more popular than any other airline flying that same route.

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 899,432 searches. Data last updated 18 april 2024.
Some of the best deals we've found on Aer Lingus flights travelling from Philadelphia to London. Deals frequently update to provide users with more options.
søn. 9/620:40PHL - LHR
1 stop9h 30mAer Lingus
ons. 12/613:25LHR - PHL
1 stop11h 00mAer Lingus
Deal found 16/4£544
søn. 9/620:40PHL - LHR
1 stop11h 00mAer Lingus
man. 17/613:25LHR - PHL
1 stop10h 45mAer Lingus
Deal found 17/4£633
tir. 23/418:25PHL - LHR
1 stop9h 40mAer Lingus
ons. 1/509:50LHR - PHL
1 stop11h 10mAer Lingus
Deal found 17/4£3,208
  • 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 £763.30 RT. This price is typically 71% cheaper than other airlines that offer Philadelphia to London Heathrow Airport flights. When booking this route, the cheapest RT price found was £520. 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 -1% more popular than any other airline flying that same route.

Cheap Philadelphia to Heathrow flights in April & May 2024

Find cheap flight options from Philadelphia to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 899,432 searches. Prices were last updated on 18 april 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.
ons. 1/519:40PHL - LHR
Nonstop7h 05mAmerican Airlines
tor. 9/508:50LHR - PHL
1 stop12h 15mAmerican Airlines
Deal found 18/4£477
ons. 1/517:40PHL - LHR
1 stop10h 25mAmerican Airlines
tor. 9/508:50LHR - PHL
1 stop12h 15mAmerican Airlines
Deal found 18/4£479
tir. 30/422:45PHL - LHR
Nonstop7h 05mIberia
tir. 21/506:15LHR - PHL
1 stop12h 40mIberia
Deal found 17/4£487
ons. 1/518:30PHL - LHR
1 stop10h 50mIberia
tir. 14/506:15LHR - PHL
1 stop12h 40mIberia
Deal found 18/4£490
tir. 30/415:53PHL - LHR
1 stop10h 57mIberia
tir. 21/506:15LHR - PHL
1 stop12h 40mIberia
Deal found 17/4£491
ons. 1/516:10PHL - LHR
1 stop12h 50mMultiple Airlines
tor. 9/506:50LHR - PHL
2 stops13h 38mMultiple Airlines
Deal found 18/4£494
ons. 1/516:10PHL - LHR
1 stop12h 50mAir Canada
ons. 8/506:50LHR - PHL
2 stops13h 38mAir Canada
Deal found 17/4£494
ons. 24/406:15PHL - LHR
1 stop24h 30mUnited Airlines
tir. 30/414:05LHR - PHL
1 stop30h 23mUnited Airlines
Deal found 17/4£495
tir. 30/410:25PHL - LHR
1 stop15h 10mMultiple Airlines
tir. 7/506:50LHR - PHL
2 stops13h 38mMultiple Airlines
Deal found 17/4£498

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 899,432 searches. Data last updated 18 april 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.
ons. 23/1019:40PHL - LHR
Nonstop7h 05mAmerican Airlines
tir. 29/1006:50LHR - PHL
1 stop10h 25mAmerican Airlines
Deal found 17/4£476
man. 23/918:30PHL - LHR
Nonstop7h 10mBritish Airways
ons. 16/1008:25LHR - PHL
1 stop12h 55mBritish Airways
Deal found 18/4£477
ons. 23/1018:40PHL - LHR
1 stop10h 40mAmerican Airlines
tir. 29/1006:50LHR - PHL
1 stop10h 25mAmerican Airlines
Deal found 17/4£478
ons. 1/517:40PHL - LHR
1 stop10h 25mAmerican Airlines
tor. 9/508:50LHR - PHL
1 stop12h 15mAmerican Airlines
Deal found 18/4£479
ons. 6/1118:35PHL - LHR
Nonstop6h 55mBritish Airways
man. 11/1118:20LHR - PHL
1 stop22h 55mBritish Airways
Deal found 17/4£483
ons. 17/422:45PHL - LHR
Nonstop7h 05mAmerican Airlines
tir. 23/406:10LHR - PHL
1 stop12h 05mAmerican Airlines
Deal found 17/4£486
ons. 6/1118:30PHL - LHR
1 stop11h 45mBritish Airways
man. 11/1118:20LHR - PHL
1 stop22h 55mBritish Airways
Deal found 18/4£486
tir. 30/422:45PHL - LHR
Nonstop7h 05mIberia
tir. 21/506:15LHR - PHL
1 stop12h 40mIberia
Deal found 17/4£487
ons. 17/415:33PHL - LHR
1 stop10h 22mAmerican Airlines
tir. 23/406:10LHR - PHL
1 stop12h 05mAmerican Airlines
Deal found 17/4£489

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 899,432 searches. Data last updated 18 april 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.
ons. 1/522:45PHL - LHR
Nonstop7h 05mFinnair
ons. 8/513:00LHR - PHL
Nonstop7h 45mFinnair
Deal found 18/4£501
tor. 2/519:40PHL - LHR
Nonstop7h 05mFinnair
tir. 7/513:00LHR - PHL
Nonstop7h 45mFinnair
Deal found 17/4£541
man. 23/918:30PHL - LHR
Nonstop7h 10mBritish Airways
man. 30/909:45LHR - PHL
Nonstop8h 00mBritish Airways
Deal found 17/4£564
søn. 18/818:30PHL - LHR
Nonstop7h 10mBritish Airways
tir. 27/813:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 17/4£568
søn. 25/819:40PHL - LHR
Nonstop7h 05mFinnair
fre. 6/913:40LHR - PHL
Nonstop7h 55mFinnair
Deal found 17/4£569
man. 19/818:30PHL - LHR
Nonstop7h 10mBritish Airways
tir. 27/813:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 18/4£576
tor. 19/918:30PHL - LHR
Nonstop7h 10mBritish Airways
søn. 22/913:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 17/4£580
fre. 27/919:40PHL - LHR
Nonstop7h 05mFinnair
søn. 6/1009:45LHR - PHL
Nonstop8h 00mFinnair
Deal found 18/4£581
man. 26/818:30PHL - LHR
Nonstop7h 10mBritish Airways
man. 2/913:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 17/4£607

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 899,432 searches. Data last updated 18 april 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.
ons. 24/419:40PHL - LHR
Nonstop7h 05mAmerican Airlines
tor. 2/507:40LHR - PHL
1 stop13h 20mAmerican Airlines
Deal found 17/4£477
ons. 24/417:40PHL - LHR
1 stop10h 25mAmerican Airlines
ons. 15/507:40LHR - PHL
1 stop13h 25mAmerican Airlines
Deal found 17/4£479
ons. 24/406:00PHL - LHR
1 stop21h 20mMultiple Airlines
tir. 30/414:05LHR - PHL
1 stop30h 23mMultiple Airlines
Deal found 17/4£491
ons. 24/415:40PHL - LHR
1 stop9h 50mAir Canada
ons. 15/506:50LHR - PHL
2 stops13h 38mAir Canada
Deal found 17/4£494
ons. 24/406:15PHL - LHR
1 stop24h 30mUnited Airlines
tir. 30/414:05LHR - PHL
1 stop30h 23mUnited Airlines
Deal found 17/4£495
ons. 24/410:25PHL - LHR
2 stops15h 05mAir Canada
ons. 15/506:50LHR - PHL
2 stops13h 38mAir Canada
Deal found 17/4£498
ons. 24/415:53PHL - LHR
1 stop10h 57mIberia
man. 29/414:05LHR - PHL
1 stop29h 05mIberia
Deal found 17/4£499
ons. 24/419:40PHL - LHR
Nonstop7h 05mFinnair
man. 6/520:25LHR - PHL
1 stop22h 20mFinnair
Deal found 17/4£500
ons. 24/419:40PHL - LHR
Nonstop7h 05mFinnair
tor. 2/509:45LHR - PHL
Nonstop7h 45mFinnair
Deal found 17/4£501

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 899,432 searches. Data last updated 18 april 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.
ons. 17/710:21PHL - LHR
2 stops20h 34mMultiple Airlines
Deal found 17/4£248
søn. 21/706:00PHL - LHR
2 stops24h 55mMultiple Airlines
Deal found 18/4£258
lør. 5/1005:30PHL - LHR
2 stops23h 50mMultiple Airlines
Deal found 18/4£276
ons. 17/705:53PHL - LHR
3 stops25h 02mMultiple Airlines
Deal found 17/4£287
lør. 13/705:30PHL - LHR
2 stops25h 25mMultiple Airlines
Deal found 17/4£293
man. 29/406:05PHL - LHR
1 stop19h 25mJetBlue
Deal found 18/4£301
tor. 18/706:00PHL - LHR
2 stops24h 55mMultiple Airlines
Deal found 17/4£302
tor. 18/706:00PHL - LHR
2 stops24h 55mMultiple Airlines
Deal found 18/4£303
tir. 30/412:21PHL - LHR
1 stop13h 09mJetBlue
Deal found 18/4£303

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 899,432 searches. Data last updated 18 april 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£477 - £511

Route

Depart

Return

Price

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

man. 23/9

Nonstop7h 10m

London Heathrow

ons. 16/10

1 stop12h 55m

£477

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

tir. 30/4

1 stop10h 25m

London Heathrow

tir. 7/5

1 stop12h 15m

£479

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

tir. 30/4

Nonstop7h 05m

London Heathrow

tir. 21/5

1 stop12h 40m

£487

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

ons. 1/5

1 stop12h 50m

London Heathrow

ons. 8/5

2 stops13h 38m

£494

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

tir. 30/4

1 stop15h 10m

London Heathrow

tir. 7/5

2 stops13h 38m

£498

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

man. 29/4

Nonstop7h 05m

London Heathrow

man. 6/5

1 stop22h 20m

£500

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

man. 23/9

1 stop11h 55m

London Heathrow

ons. 2/10

1 stop15h 38m

£510

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

man. 7/10

2 stops15h 00m

London Heathrow

ons. 30/10

2 stops18h 55m

£511

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

ons. 1/5

2 stops13h 25m

London Heathrow

ons. 8/5

2 stops16h 34m

£511

Flights are sorted by cheapest first

Deals found on 18/4

When is the best time to 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 28 January 2024.
The best time to book flights from Philadelphia to London Heathrow Airport is 72 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

When is the cheapest time 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 14 April 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. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Heathrow by month

Plan your trip from Philadelphia to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Philadelphia to Heathrow is currently £286 while a return flight costs £496. Price data was last updated on 14 April 2024.

Currently, January is the cheapest month in which you can book a flight from Philadelphia to London Heathrow Airport (average of £111). Flying from Philadelphia to London Heathrow Airport in July is currently the most expensive (average of £173). 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.

January

£89

February

£100

March

£96

April

£103

May

£111

June

£136

July

£139

August

£116

September

£111

October

£130

November

£92

December

£97

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 18 april 2024.
Peruse reviews from past customers who have flown with Delta, Aer Lingus and Air Canada 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.
8.1
Very Good
11,104 reviews

Entertainment

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

8.1
Very Good
11,104 reviews
8.1
Very Good
11,104 reviews

Entertainment

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.8
Good
2,090 reviews
8.1
Very Good
11,104 reviews

Entertainment

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.8
Good
1,388 reviews
8.1
Very Good
11,104 reviews

Entertainment

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
750 reviews
8.1
Very Good
11,104 reviews

Entertainment

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
4,671 reviews
8.1
Very Good
11,104 reviews

Entertainment

8.0

Crew

8.6

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 British Airways for just £477, but on average you can expect to pay £497.

  • 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 £604.

  • Are there last-minute flights available from Philadelphia to London Heathrow Airport for under £500?

    There are currently 20+ open flights from Philadelphia to London Heathrow Airport within the next 7 days for less than £500.

  • 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 British Airways. Our recent data shows that you can find tickets from as low as £477 on this airline. Additional options worth looking into are American Airlines and Iberia, starting at £479 and £487 round-trip. Users have found that British Airways is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Philadelphia to London Heathrow Airport one-way

    The cheapet airlines for a one-way flight from Philadelphia to London Heathrow Airport are JetBlue (£301), Icelandair (£307), and Virgin Atlantic (£335).

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

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

    Consider EL AL (93%), Qatar Airways (87%) or Malaysia Airlines (81%) 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 £340. On average you can expect to pay £890. The most popular route, (Philadelphia - London Heathrow), can usually be booked for £477.

  • 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 18/4.

See more FAQs

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

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 899,432 searches. Data last updated 18 april 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£418Average£613FlexibilityNo cancel feeOn-timeN/A
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Virgin AtlanticCheapest£453Average£681FlexibilityNo cancel feeOn-time72%
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IberiaCheapest£456Average£515FlexibilityNo cancel feeOn-time77%
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British AirwaysCheapest£456Average£663FlexibilityNo cancel feeOn-time70%
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FinnairCheapest£522Average£1,202FlexibilityNo cancel feeOn-time76%
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JetBlueCheapest£529Average£697FlexibilityNo cancel feeOn-time62%
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Air FranceCheapest£538Average£969FlexibilityNo cancel feeOn-time77%
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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.

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 18 april 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
32%of flight departuresAfternoonNoon to 6 pm
67%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM