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Cheap flights from London to Philadelphia from £407

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 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PHL
26 Nov — 3 Dec1
1 adult

The best prices from London to Philadelphia are usually found in February or January, booked 55 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Find flights from London to Philadelphia within your budget

Customise 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 939,815 searches. Data last updated 21 November 2024.

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Fly to

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Route

Depart

Return

Price

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 24/2

11:45-19:55

1 stop13h 10m

Philadelphia

Mon 24/3

22:20-13:25

1 stop11h 05m

£507

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 13/1

12:50-16:00

2 stops32h 10m

Philadelphia

Mon 27/1

06:15-20:15

3 stops33h 00m

£508

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 8/1

14:35-21:23

1 stop11h 48m

Philadelphia

Wed 15/1

13:00-06:50

1 stop12h 50m

£511

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 25/3

13:10-17:20

Nonstop8h 10m

Philadelphia

Wed 2/4

13:35-09:40

1 stop15h 05m

£512

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 10/12

09:50-16:00

1 stop11h 10m

Philadelphia

Mon 16/12

17:30-08:05

1 stop9h 35m

£514

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 13/1

15:00-14:50

1 stop28h 50m

Philadelphia

Mon 27/1

15:30-07:10

1 stop10h 40m

£524

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 6/1

16:10-00:49

1 stop13h 39m

Philadelphia

Thu 16/1

13:03-06:20

1 stop12h 17m

£530

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 13/1

15:00-14:50

1 stop28h 50m

Philadelphia

Mon 20/1

15:30-07:10

1 stop10h 40m

£533

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 8/1

10:15-13:30

Nonstop8h 15m

Philadelphia

Wed 15/1

17:54-09:15

1 stop10h 21m

£538

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 26/12

08:25-07:40

1 stop28h 15m

Philadelphia

Mon 30/12

18:18-05:55

1 stop30h 37m

£540

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 59 results
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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 21 November 2024.

Round-trip from

£507

One-way from

£407

Popular in

July

Cheapest in

February
American Airlines
  • American Airlines
  • 24/2-24/3
  • 2 total stops
  • 24h 15m total
  • London to Philadelphia
24/12
  • 24/12
  • 2 total stops
  • 34h 49m total
  • London to Philadelphia
High demand for flights, 19% potential price rise
Best time to find cheap flights, 11% potential price drop

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 21 November 2024.

Tue 10/1208:50LHR - PHL
1 stop12h 10mAer Lingus
Mon 16/1217:30PHL - LHR
1 stop9h 35mAer Lingus
Deal found 20/11£511
Wed 11/1216:30LHR - PHL
1 stop27h 17mFinnair
Tue 17/1221:00PHL - LHR
1 stop15h 45mFinnair
Deal found 20/11£515
Tue 24/1211:30LHR - PHL
2 stops16h 44mDelta
Tue 31/1208:35PHL - LHR
2 stops17h 15mDelta
Deal found 20/11£516
Wed 4/1213:10LHR - PHL
Nonstop8h 10mAmerican Airlines
Tue 10/1213:40PHL - LHR
1 stop11h 35mAmerican Airlines
Deal found 19/11£521
Mon 9/1214:00LGW - PHL
1 stop25h 00mMultiple Airlines
Sat 14/1210:55PHL - LGW
1 stop18h 05mMultiple Airlines
Deal found 20/11£521
Tue 24/1207:30LHR - PHL
1 stop13h 30mUnited Airlines
Thu 9/115:30PHL - LHR
1 stop10h 40mUnited Airlines
Deal found 20/11£535
Mon 30/1206:05LHR - PHL
1 stop15h 15mMultiple Airlines
Wed 23/713:35PHL - LHR
2 stops13h 50mMultiple Airlines
Deal found 20/11£538
Thu 26/1208:25LHR - PHL
1 stop28h 15mIcelandair
Mon 30/1218:18PHL - LHR
1 stop30h 37mIcelandair
Deal found 20/11£540
Mon 9/1209:50LHR - PHL
1 stop11h 35mBritish Airways
Mon 16/1221:10PHL - LHR
1 stop11h 15mBritish Airways
Deal found 20/11£548
Tue 3/1215:00LHR - PHL
1 stop28h 50mAir Canada
Tue 10/1215:30PHL - LHR
1 stop10h 40mAir Canada
Deal found 19/11£549
Wed 4/1210:15LHR - PHL
Nonstop8h 05mIberia
Tue 10/1221:10PHL - LHR
Nonstop7h 10mIberia
Deal found 19/11£565
Wed 11/1206:30STN - PHL
1 stop14h 30mMultiple Airlines
Mon 16/1217:30PHL - STN
1 stop9h 20mMultiple Airlines
Deal found 18/11£568

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 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.

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 return flight from London to Philadelphia. Price data was last updated on 15 November 2024.

The price you pay for your flight from London to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from London to Philadelphia (average of £644). Flying from London to Philadelphia in July is currently the most expensive (average of £782). 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 21 November 2024.

It’s optimal to fly from London to Philadelphia in the afternoon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly return from London to Philadelphia. Price data was last updated on 18 November 2024.

Travellers seeking maximum savings on their London to Philadelphia flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 21 November 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 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

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 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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 21 November 2024.
Get a feel of what it's like to fly with Virgin Atlantic, American Airlines and Delta from London to Philadelphia 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.
8.0
Very Good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

8.0
Very Good
8,756 reviews
8.0
Very Good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
1,350 reviews
8.0
Very Good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.7
Good
1,300 reviews
8.0
Very Good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.6
Good
1,637 reviews
8.0
Very Good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.5
Good
3,831 reviews
8.0
Very Good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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?

    If you book a flight to Philadelphia from London, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 10 flights from London to Philadelphia per day from 13 different airlines.

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

    Cheapflights users have booked flights from London to Philadelphia round-trip from £507. Other airlines that can offer you cheap pricing are Delta, from £511, and Finnair, from £512. 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?

    £408 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and Iberia, with prices starting from £478 and £488, respectively.

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

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

    Consider Malaysia Airlines (82%), American Airlines (77%) or Finnair (77%) when booking your flight. These represent the most reliable airlines when flying from London to Philadelphia.

  • What are the cheapest flights from London to Philadelphia?

    Looking at all options, your cheapest flight can be booked for £542. While the most popular route (London Heathrow - Philadelphia) can be booked for £372 on average our data indicates £1,217 when flying from London to Philadelphia.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from London to Philadelphia (average of £644). Flying from London to Philadelphia in July is currently the most expensive (average of £782). 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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Fly from London to Philadelphia on these airlines

Choose from the following airlines for your flight from London to Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2024.

Top 10 airlines flying from London to Philadelphia

Discover the top 10 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 939,815 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£362Average£501FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£379Average£503FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£384Average£520FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Royal Air MarocCheapest£437Average£614FlexibilityNo cancel feeOn-time75%
Search Royal Air Maroc flights
United AirlinesCheapest£443Average£590FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£455Average£632FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Alaska AirlinesCheapest£459Average£626FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
FinnairCheapest£459Average£607FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£461Average£577FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£474Average£641FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Philadelphia from London today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Philadelphia from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Philadelphia flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from London to Philadelphia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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