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$517+ Cheap flights from London (LON) to Philadelphia (PHL)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from London to Philadelphia are usually found in February or January, booked 55 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from London to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Philadelphia (PHL). 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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

February

Round-trip from

$639
(Fly & Visit Rome)

One-way from

$517
(Gurufare)
Provider with most accurate pricing for London (LON)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Philadelphia flights.
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 11% potential price drop
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From London (LON) to Philadelphia
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One-way flight from London (LON) to Philadelphia
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Find flight deals from London to Philadelphia

Cheapest flights from London to Philadelphia
Explore the most affordable flight options available from London to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Fly & Visit Rome deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fly & Visit Rome is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:50 amLHR - PHL
1 stop12h 10mAer Lingus
Sun 12/155:30 pmPHL - LHR
1 stop9h 35mAer Lingus
Deal found 11/21$639
This The Travel House deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/114:30 pmLHR - PHL
1 stop27h 17mFinnair
Tue 12/179:00 pmPHL - LHR
1 stop15h 45mFinnair
Deal found 11/20$652
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:30 amLHR - PHL
2 stops16h 44mDelta
Tue 12/318:35 amPHL - LHR
2 stops17h 15mDelta
Deal found 11/20$654
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/41:10 pmLHR - PHL
Nonstop8h 10mAmerican Airlines
Tue 12/101:40 pmPHL - LHR
1 stop11h 35mAmerican Airlines
Deal found 11/19$660
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/92:00 pmLGW - PHL
1 stop25h 00mMultiple Airlines
Sat 12/1410:55 amPHL - LGW
1 stop18h 05mMultiple Airlines
Deal found 11/20$660
This ChecknFly deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/34:30 pmLHR - PHL
1 stop27h 14mIberia
Thu 12/129:10 pmPHL - LHR
Nonstop7h 10mIberia
Deal found 11/21$675
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:30 amLHR - PHL
1 stop14h 30mUnited Airlines
Thu 3/2010:35 amPHL - LHR
2 stops16h 35mUnited Airlines
Deal found 11/20$679
This The Travel House deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:30 amLHR - PHL
1 stop13h 30mLufthansa
Mon 12/304:38 pmPHL - LHR
1 stop13h 37mLufthansa
Deal found 11/21$683
This The Travel House deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:25 amLHR - PHL
1 stop28h 15mIcelandair
Mon 12/306:18 pmPHL - LHR
1 stop30h 37mIcelandair
Deal found 11/20$684
This EaseMyTrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:10 amLHR - PHL
1 stop16h 26mAir Canada
Thu 12/129:00 amPHL - LHR
1 stop16h 30mAir Canada
Deal found 11/21$687
This TravelTrolley deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelTrolley is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:50 amLHR - PHL
1 stop11h 35mBritish Airways
Mon 12/169:10 pmPHL - LHR
1 stop11h 15mBritish Airways
Deal found 11/20$694
This EaseMyTrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1110:15 amLHR - PHL
Nonstop8h 00mMultiple Airlines
Tue 12/177:30 pmPHL - LHR
1 stop12h 15mMultiple Airlines
Deal found 11/20$714

Find flights from London to Philadelphia within your budget

Customize your flight search to find flights from London to Philadelphia 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 12/4

8:50 am-4:00 pm

1 stop12h 10m

Philadelphia

Sun 12/15

5:30 pm-8:05 am

1 stop9h 35m

$639

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 1/13

12:50 pm-4:00 pm

2 stops32h 10m

Philadelphia

Mon 1/27

6:15 am-8:15 pm

3 stops33h 00m

$643

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 2/19

9:50 am-4:35 pm

1 stop11h 45m

Philadelphia

Fri 2/28

1:45 pm-6:15 am

1 stop11h 30m

$644

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 1/8

2:35 pm-9:23 pm

1 stop11h 48m

Philadelphia

Wed 1/15

1:00 pm-6:50 am

1 stop12h 50m

$648

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 12/11

4:30 pm-2:47 pm

1 stop27h 17m

Philadelphia

Tue 12/17

9:00 pm-5:45 pm

1 stop15h 45m

$652

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 1/13

3:00 pm-2:50 pm

1 stop28h 50m

Philadelphia

Mon 1/20

3:30 pm-7:10 am

1 stop10h 40m

$656

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 1/14

9:50 am-4:40 pm

1 stop11h 50m

Philadelphia

Wed 2/5

9:21 pm-9:20 am

Nonstop6h 59m

$661

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 1/13

3:00 pm-2:50 pm

1 stop28h 50m

Philadelphia

Mon 1/20

3:30 pm-7:10 am

1 stop10h 40m

$675

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 1/15

8:25 am-3:35 pm

1 stop12h 10m

Philadelphia

Thu 2/6

7:10 pm-9:30 am

1 stop9h 20m

$676

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Wed 1/15

9:10 am-4:40 pm

1 stop12h 30m

Philadelphia

Mon 2/3

9:31 pm-5:30 pm

1 stop14h 59m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 60 results
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Compare providers for flights from London to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Philadelphia in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
CombigoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from London with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from London to Philadelphia

Get recent, data-driven insights about flights from London to Philadelphia including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from London to Philadelphia. Price data was last updated on November 15, 2024.

The best time to book flights from London to Philadelphia is 55 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.

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

Currently, September is the cheapest month in which you can book a flight from London to Philadelphia (average of $234). Flying from London to Philadelphia in March is currently the most expensive (average of $284). 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.

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

Find hourly flight availability from London to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from London to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight in the evening.

Weekly flight availability from London to Philadelphia

Explore weekly flight availability from London to Philadelphia. 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 November 21, 2024.

The most flights from LON to PHL are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with Finnair, Aer Lingus and American Airlines from London to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,636 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to Philadelphia. 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 into for flights to Philadelphia from London?

    Located just 7.0 mi from the city center, Philadelphia is the airport most travelers will use when flying to Philadelphia from London. Booking flights from London to Philadelphia (PHL) should be relatively easy as there are 10 daily inbound flights from London from 5 different airlines.

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

    According to our current data, Aer Lingus ($639), American Airlines ($644), and Delta ($648) offers the cheapest pricing from London to Philadelphia. You may be able to fly from London to Philadelphia for 13% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from London to Philadelphia are Aer Lingus ($517), British Airways ($606), and Iberia ($607).

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

    When deciding which route to take from London to Philadelphia consider London Heathrow - Philadelphia, London City - Philadelphia or London Gatwick - Philadelphia as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Philadelphia on time: Malaysia Airlines (82%), American Airlines (77%), Finnair (77%).

  • What are the cheapest flights from London to Philadelphia?

    While on average a flight from London to Philadelphia is generally $841, our data shows the cheapest flight currently is $679. When looking at the most popular route, (London Heathrow - Philadelphia), you can expect to pay $471 for that flight.

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

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from London to Philadelphia (average of $234). Flying from London to Philadelphia in March is currently the most expensive (average of $284). 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

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Alternative routes for London to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from London to Philadelphia

Discover the top 5 airlines that operate flights from London to Philadelphia. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$587Average$853FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$592Average$742FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$594Average$760FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$605Average$781FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$617Average$943FlexibilityNo cancel feeOn-time76%
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