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Cheap flights from Philadelphia to London from £158

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 23/9. 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 — LON
8 May — 15 May1
1 adult
Wed 8/5
Wed 15/5

The best prices from Philadelphia to London are usually found in February or November, booked 24 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Philadelphia to London

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to London (LON). 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 3 May 2024.

Popular in

June

Cheapest in

February

Average price

£770

Round-trip from

£69
High demand for flights, 32% potential price rise
Search Deals
Best time to find cheap flights, 21% potential price drop
Search Deals
Average for round-trip flights in May 2024
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From Philadelphia to London (LON)
Search Deals

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

Friday flights are generally found to be more expensive for flights from Philadelphia to London. 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.

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

Travelers have found it’s best to book a flight 25 days in advance to save up to 45% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Philadelphia to London 1-2 weeks in advance for as low as £628, or £812 for flights within the next 24 hours.

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

February can be a great time to fly to London from Philadelphia with a flight ticket averaging about £763. Cheapflights users have found deals in the month of February for as cheap as £441. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Philadelphia to London (PHL - LON)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from Philadelphia to London by exploring options for tickets in the morning.

Cheap Iberia flights from Philadelphia to London

Explore cheap flight options specifically provided by Iberia for the route between Philadelphia and London. 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 903,063 searches. Data last updated 3 May 2024.
Consider these cheap Iberia flights we've found departing from Philadelphia to London. Make sure to check back often as deals are often changing.
Sun 27/1019:35PHL - LHR
Nonstop6h 55mIberia
Thu 7/1107:20LHR - PHL
1 stop14h 10mIberia
Deal found 2/5£554
Wed 15/518:30PHL - LHR
1 stop10h 50mIberia
Thu 23/513:40LHR - PHL
Nonstop7h 55mIberia
Deal found 2/5£621
Fri 16/819:50PHL - LHR
Nonstop6h 55mIberia
Tue 27/806:15LHR - PHL
1 stop12h 35mIberia
Deal found 2/5£640
Thu 9/519:40PHL - LHR
Nonstop7h 05mIberia
Mon 1/712:30LHR - PHL
Nonstop7h 55mIberia
Deal found 2/5£839
Thu 9/522:45PHL - LHR
Nonstop7h 05mIberia
Thu 16/513:40LHR - PHL
Nonstop7h 55mIberia
Deal found 2/5£917
Thu 9/518:30PHL - LHR
Nonstop7h 10mIberia
Sat 1/613:40LHR - PHL
Nonstop7h 55mIberia
Deal found 3/5£925
Wed 8/519:40PHL - LHR
Nonstop7h 05mIberia
Wed 15/506:10LHR - PHL
1 stop11h 55mIberia
Deal found 3/5£1,221
Wed 8/519:40PHL - LHR
Nonstop7h 05mIberia
Fri 17/509:45LHR - PHL
Nonstop7h 45mIberia
Deal found 2/5£1,237
Wed 8/519:40PHL - LHR
Nonstop7h 05mIberia
Sun 12/506:10LHR - PHL
1 stop11h 55mIberia
Deal found 3/5£1,261

  • One of the most popular airlines travelling from Philadelphia to London is Iberia. Flights on this route from Iberia typically cost £1,497.13 RT, a price that is 37% more expensive than the average Philadelphia to London flight. The cheapest flight found was £650 RT. The most popular departure airport in Philadelphia when flying to London is Philadelphia Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Philadelphia to London, Iberia flights are 5% more popular than any other airline flying that same route.

Cheap Finnair flights from Philadelphia to London

Explore cheap flight options specifically provided by Finnair for the route between Philadelphia and London. 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 903,063 searches. Data last updated 3 May 2024.
Some of the lowest-priced Finnair flights we've found at this time heading from Philadelphia to London. Deals frequently update to provide users with more options.
Tue 29/1022:20PHL - LHR
Nonstop7h 00mFinnair
Tue 5/1119:10LHR - PHL
1 stop26h 20mFinnair
Deal found 2/5£561
Tue 10/922:50PHL - LHR
Nonstop7h 00mFinnair
Thu 19/906:35LHR - PHL
1 stop15h 05mFinnair
Deal found 2/5£580
Wed 30/1022:20PHL - LHR
Nonstop7h 00mFinnair
Tue 5/1119:10LHR - PHL
1 stop26h 20mFinnair
Deal found 2/5£581
Tue 10/922:50PHL - LHR
Nonstop7h 00mFinnair
Thu 19/913:40LHR - PHL
Nonstop7h 55mFinnair
Deal found 2/5£594
Wed 18/918:30PHL - LHR
Nonstop7h 10mFinnair
Tue 24/919:25LHR - PHL
1 stop22h 45mFinnair
Deal found 1/5£605
Sat 26/1023:10PHL - LHR
Nonstop7h 00mFinnair
Mon 4/1119:00LHR - PHL
1 stop24h 20mFinnair
Deal found 2/5£609
Fri 20/919:40PHL - LHR
Nonstop7h 05mFinnair
Tue 1/1009:45LHR - PHL
Nonstop8h 00mFinnair
Deal found 2/5£610
Mon 16/918:30PHL - LHR
Nonstop7h 10mFinnair
Mon 23/920:25LHR - PHL
1 stop22h 30mFinnair
Deal found 1/5£613
Mon 16/919:40PHL - LHR
Nonstop7h 05mFinnair
Wed 25/913:40LHR - PHL
Nonstop7h 55mFinnair
Deal found 1/5£614

  • If you’re travelling from Philadelphia to London, one of the more common airlines travelling that route is Finnair. Flights from Finnair travelling this route typically cost £763.30 RT. This price is typically 74% more expensive than other airlines that offer Philadelphia to London flights. When booking this route, the cheapest RT price found was £520. Philadelphia Airport is the most common Philadelphia airport to take off from when flying to London. London Heathrow Airport is the most popular arrival airport in London. When flying from Philadelphia to London, Finnair flights are -1% more popular than any other airline flying that same route.

Cheap Philadelphia to London flights in May & June 2024

Find cheap flight options from Philadelphia to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 903,063 searches. Prices were last updated on 3 May 2024.
Check out some of the best flight deals from Philadelphia to London in 2024. Check back soon for alternative fares.
Tue 21/506:31PHL - LGW
1 stop22h 29mMultiple Airlines
Wed 22/514:00LGW - PHL
1 stop27h 56mMultiple Airlines
Deal found 1/5£377
Tue 11/606:17PHL - LGW
1 stop22h 43mMultiple Airlines
Fri 14/610:00LGW - PHL
1 stop20h 06mMultiple Airlines
Deal found 2/5£461
Tue 25/609:43PHL - LGW
1 stop16h 17mMultiple Airlines
Wed 26/614:00LGW - PHL
1 stop16h 35mMultiple Airlines
Deal found 2/5£477
Mon 27/509:50PHL - LGW
2 stops29h 20mMultiple Airlines
Fri 31/510:00LGW - PHL
1 stop19h 38mMultiple Airlines
Deal found 1/5£479
Wed 19/609:58PHL - LGW
1 stop16h 02mMultiple Airlines
Tue 2/710:00LGW - PHL
1 stop27h 50mMultiple Airlines
Deal found 2/5£489
Mon 27/509:50PHL - LGW
1 stop16h 10mMultiple Airlines
Fri 31/510:00LGW - PHL
1 stop19h 38mMultiple Airlines
Deal found 1/5£490
Mon 27/509:50PHL - LGW
2 stops29h 20mMultiple Airlines
Sat 1/610:00LGW - PHL
1 stop27h 33mMultiple Airlines
Deal found 1/5£493
Wed 19/609:58PHL - LGW
1 stop16h 02mMultiple Airlines
Thu 27/610:00LGW - PHL
1 stop27h 50mMultiple Airlines
Deal found 2/5£495
Sat 15/617:32PHL - LGW
2 stops35h 28mMultiple Airlines
Wed 19/614:00LGW - PHL
1 stop16h 35mMultiple Airlines
Deal found 2/5£498

Philadelphia to London 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 903,063 searches. Data last updated 3 May 2024.
Check out some of the best flight deals from Philadelphia to London in 2024. Check back soon for alternative fares.
Tue 21/506:31PHL - LGW
1 stop22h 29mMultiple Airlines
Wed 22/514:00LGW - PHL
1 stop27h 56mMultiple Airlines
Deal found 1/5£377
Mon 9/906:26PHL - LGW
1 stop22h 34mMultiple Airlines
Sat 28/910:00LGW - PHL
1 stop20h 20mMultiple Airlines
Deal found 1/5£414
Wed 18/914:45PHL - LGW
1 stop14h 15mMultiple Airlines
Tue 24/914:00LGW - PHL
1 stop14h 02mMultiple Airlines
Deal found 1/5£418
Thu 26/905:30PHL - LGW
1 stop20h 30mMultiple Airlines
Mon 7/1010:00LGW - PHL
1 stop20h 20mMultiple Airlines
Deal found 1/5£441
Wed 4/914:45PHL - LGW
1 stop14h 15mMultiple Airlines
Thu 19/914:00LGW - PHL
1 stop14h 02mMultiple Airlines
Deal found 2/5£456
Tue 11/606:17PHL - LGW
1 stop22h 43mMultiple Airlines
Fri 14/610:00LGW - PHL
1 stop20h 06mMultiple Airlines
Deal found 2/5£461
Tue 25/609:43PHL - LGW
1 stop16h 17mMultiple Airlines
Wed 26/614:00LGW - PHL
1 stop16h 35mMultiple Airlines
Deal found 2/5£477
Mon 27/509:50PHL - LGW
2 stops29h 20mMultiple Airlines
Fri 31/510:00LGW - PHL
1 stop19h 38mMultiple Airlines
Deal found 1/5£479
Sat 21/905:30PHL - LGW
1 stop20h 30mMultiple Airlines
Sat 28/910:00LGW - PHL
1 stop20h 20mMultiple Airlines
Deal found 2/5£481

Direct flights to London from Philadelphia

Discover direct flight options from Philadelphia to London. 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 903,063 searches. Data last updated 3 May 2024.
If you're seeking options on non-stop flights from Philadelphia to London, check out these fares. If you're looking for other options for flights from Philadelphia to London, make sure to update the search form at the top of page.
Tue 1/1018:30PHL - LHR
Nonstop7h 10mBritish Airways
Tue 8/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 3/5£568
Wed 25/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Fri 11/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 2/5£569
Sun 27/1019:35PHL - LHR
Nonstop6h 55mBritish Airways
Tue 5/1110:15LHR - PHL
Nonstop8h 15mBritish Airways
Deal found 2/5£570
Wed 18/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Wed 9/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 3/5£592
Tue 10/922:50PHL - LHR
Nonstop7h 00mFinnair
Thu 19/913:40LHR - PHL
Nonstop7h 55mFinnair
Deal found 2/5£594
Tue 24/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Sat 5/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 3/5£607
Thu 26/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Thu 10/1013:40LHR - PHL
Nonstop7h 55mBritish Airways
Deal found 2/5£608
Wed 4/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Wed 11/909:45LHR - PHL
Nonstop8h 00mBritish Airways
Deal found 2/5£608
Fri 20/919:40PHL - LHR
Nonstop7h 05mFinnair
Tue 1/1009:45LHR - PHL
Nonstop8h 00mFinnair
Deal found 2/5£610

Philadelphia to London flights leaving soon

Find last-minute flight options from Philadelphia to London 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 903,063 searches. Data last updated 3 May 2024.
Users seeking a last-minute flight from Philadelphia to London should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
Mon 13/510:30PHL - LHR
1 stop15h 00mJetBlue
Wed 22/508:25LHR - PHL
1 stop12h 10mJetBlue
Deal found 2/5£546
Mon 13/509:50PHL - LGW
1 stop16h 10mMultiple Airlines
Wed 22/510:00LGW - PHL
1 stop19h 38mMultiple Airlines
Deal found 2/5£579
Fri 10/506:00PHL - LGW
2 stops27h 55mMultiple Airlines
Wed 15/514:00LGW - PHL
1 stop15h 56mMultiple Airlines
Deal found 2/5£581
Mon 13/509:50PHL - LGW
1 stop16h 10mMultiple Airlines
Wed 22/521:00LGW - PHL
3 stops32h 38mMultiple Airlines
Deal found 2/5£596
Thu 9/510:30PHL - LGW
1 stop15h 20mJetBlue
Mon 13/512:10LGW - PHL
1 stop12h 43mJetBlue
Deal found 2/5£597
Fri 10/506:00PHL - LGW
2 stops27h 55mMultiple Airlines
Tue 14/514:00LGW - PHL
1 stop22h 50mMultiple Airlines
Deal found 2/5£599
Fri 10/519:11PHL - LGW
1 stop33h 49mMultiple Airlines
Wed 15/514:00LGW - PHL
1 stop27h 56mMultiple Airlines
Deal found 2/5£600
Mon 13/522:45PHL - LHR
Nonstop7h 05mBritish Airways
Wed 22/519:40LHR - PHL
1 stop22h 15mBritish Airways
Deal found 2/5£608
Sun 12/510:10PHL - LGW
1 stop18h 50mMultiple Airlines
Sat 25/514:00LGW - PHL
1 stop27h 56mMultiple Airlines
Deal found 2/5£610

One-way flights to London from Philadelphia

Search for one-way flight options from Philadelphia to London. 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 903,063 searches. Data last updated 3 May 2024.
Take a look at some of the one-way flights we've detected from Philadelphia to London. For those needing a return trip from Philadelphia, there is a search form available above.
Mon 23/914:45PHL - LGW
1 stop14h 15mMultiple Airlines
Deal found 2/5£158
Wed 18/914:45PHL - LGW
1 stop14h 15mMultiple Airlines
Deal found 2/5£188
Thu 20/606:32PHL - LGW
1 stop19h 28mMultiple Airlines
Deal found 2/5£190
Tue 30/709:22PHL - LGW
1 stop16h 38mMultiple Airlines
Deal found 1/5£193
Tue 9/709:22PHL - LGW
1 stop16h 38mMultiple Airlines
Deal found 1/5£194
Wed 31/709:56PHL - LGW
1 stop16h 04mMultiple Airlines
Deal found 2/5£196
Sun 16/617:29PHL - LGW
1 stop35h 31mMultiple Airlines
Deal found 2/5£206
Sat 1/605:20PHL - LGW
2 stops20h 00mMultiple Airlines
Deal found 2/5£208
Tue 2/709:22PHL - LGW
1 stop16h 38mMultiple Airlines
Deal found 2/5£215

Find flights from Philadelphia to London within your budget

Customise your flight search to find flights from Philadelphia to London 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 903,063 searches. Data last updated 3 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£377 - £575

Route

Depart

Return

Price

PhiladelphiaLondon Gatwick

PHL - LGW

PHLLGW

Philadelphia

Tue 21/5

1 stop22h 29m

London Gatwick

Wed 22/5

1 stop27h 56m

£377

PhiladelphiaLondon Gatwick

PHL - LGW

PHLLGW

Philadelphia

Tue 21/5

1 stop15h 20m

London Gatwick

Wed 19/6

1 stop15h 16m

£506

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Tue 6/8

1 stop11h 30m

London Heathrow

Tue 20/8

1 stop11h 00m

£525

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Mon 23/9

Nonstop7h 10m

London Heathrow

Tue 1/10

1 stop13h 00m

£546

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Tue 1/10

1 stop11h 30m

London Heathrow

Tue 8/10

1 stop13h 40m

£548

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Sun 27/10

Nonstop6h 55m

London Heathrow

Thu 7/11

1 stop14h 10m

£554

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Tue 29/10

Nonstop7h 00m

London Heathrow

Tue 5/11

1 stop26h 20m

£561

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Mon 7/10

1 stop23h 30m

London Heathrow

Wed 30/10

1 stop29h 32m

£564

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Wed 30/10

1 stop10h 05m

London Heathrow

Wed 20/11

1 stop11h 49m

£575

Flights are sorted by cheapest first

Deals found on 1/5

When is the best time to book a flight from Philadelphia to London?

Use this chart to determine the optimal time to book a return flight from Philadelphia to London. Price data was last updated on 28 January 2024.
The price you pay for your flight from Philadelphia to London may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Philadelphia to London?

Use this chart to determine the cheapest time to fly return from Philadelphia to London. Price data was last updated on 28 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Philadelphia to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from Philadelphia to London by taking into account the cheapest months to travel. The average price of a one-way flight from Philadelphia to London is currently £194 while a return flight costs £528. Price data was last updated on 28 April 2024.

Currently, January is the cheapest month in which you can book a flight from Philadelphia to London (average of £111). Flying from Philadelphia to London in June is currently the most expensive (average of £171). 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

£99

March

£95

April

£101

May

£108

June

£137

July

£136

August

£116

September

£112

October

£127

November

£92

December

£97

Temperature and rainfall in London by month

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

LON

Temperature

4 - 17 °C

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 3 May 2024.
Get a feel of what it's like to fly with Iberia, Finnair and Air France from Philadelphia to London by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
10,848 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

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
8.1
Very Good
10,848 reviews
Delta
8.1
Very Good
10,848 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

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
2,025 reviews
Delta
8.1
Very Good
10,848 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

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
1,379 reviews
Delta
8.1
Very Good
10,848 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

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
4,552 reviews
Delta
8.1
Very Good
10,848 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

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.

Air France
7.6
Good
1,790 reviews
Delta
8.1
Very Good
10,848 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Food

7.4

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 London. 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?

    Located just 7.0 mi from the city center, Philadelphia is the airport most travelers will use when flying to London from Philadelphia. Booking flights from Philadelphia (PHL) to London should be relatively easy as there are 12 daily outbound flights to London from 7 different airlines.

  • Can I find flights from Philadelphia to London for under £400 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to London for under £400. The cheapest flight booked recently is on Multiple Airlines for just £377, but on average you can expect to pay £473.

  • Are there nonstop flights from Philadelphia to London for under £600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Philadelphia to London under £600. A good price for a nonstop flight from Philadelphia to London is less than £612.

  • Are there last-minute flights available from Philadelphia to London for under £600?

    There are currently 20+ open flights from Philadelphia to London within the next 7 days for less than £600.

  • What is the cheapest airline to fly from Philadelphia to London round-trip?

    Flying on JetBlue is currently your cheapest option to London, with prices starting at £506. JetBlue is currently priced 33% below the average price you’ll pay for this route.

  • What are the most popular routes from Philadelphia to London?

    The most popular route from Philadelphia to London is Philadelphia - London Heathrow. You may also consider Philadelphia - London Gatwick or Philadelphia - London City.

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

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

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

    Consider EL AL (93%), Qatar Airways (88%) or Malaysia Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to London.

  • What are the cheapest flights from Philadelphia to London?

    Looking for the cheapest flight from Philadelphia to London? While on average our users pay £698, our data indicates the cheapest price to be £356. The most popular route (Philadelphia - London Heathrow), is priced around £512.

  • What does PHL to LHR mean?

    Philadelphia Airport is PHL and London Heathrow Airport is LHR. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

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

    The amount of baggage you can bring on your Philadelphia to London 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 London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to London 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 London that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to London 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 London that allow pets onboard?

    Many airlines flying from Philadelphia to London 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 London?

    Yes, you can often find last-minute deals on Philadelphia to London 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 flight deals updated?

    The Philadelphia to London flight deals you see on this page were last updated on 2/5.

See more FAQs

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

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Top 7 airlines flying from Philadelphia to London

Discover the top 7 airlines that operate flights from Philadelphia to London. 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 903,063 searches. Data last updated 3 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£415Average£609FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£450Average£678FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£453Average£512FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£454Average£649FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£519Average£1,195FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£527Average£693FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£535Average£964FlexibilityNo cancel feeOn-time77%
Search Air France flights
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Search flights from Philadelphia to London by cabin class

Find flights from Philadelphia to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Philadelphia to London

Find hourly flight availability from Philadelphia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 May 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

Weekly flight availability from Philadelphia to London

Explore weekly flight availability from Philadelphia to London. 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 3 May 2024.
Monday12daily flights
Tuesday12daily flights
Wednesday12daily flights
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Friday12daily flights
Saturday12daily flights
Sunday12daily flights

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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 London?

Cheapflights makes it easy to find Philadelphia to London 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 London?

Cheapflights simply makes it quick and affordable to book flights from Philadelphia to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to London from Philadelphia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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