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Cheap flights from London to Philadelphia from £239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Philadelphia departing on 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Tue 21/5

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Easily compare return flights from London to Philadelphia

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Philadelphia by changing tabs
American Airlines
4 Jun
LHR07:40London Heathrow
13h 25m
1 stop
PHL16:05Philadelphia
11 Jun
PHL22:30Philadelphia
7h 00m
LHR10:30London Heathrow
Air Canada
17 May
LHR09:30London Heathrow
35h 51m
2 stops
PHL16:21Philadelphia
19 May
PHL17:05Philadelphia
32h 25m
2 stops
LHR06:30London Heathrow
Multiple Airlines
19 Jun
LHR06:40London Heathrow
31h 20m
3 stops
PHL09:00Philadelphia
22 Jun
PHL05:05Philadelphia
29h 55m
3 stops
LHR16:00London Heathrow
Finnair
18 Jun
LHR18:15London Heathrow
20h 15m
1 stop
PHL09:30Philadelphia
28 Jun
PHL15:33Philadelphia
12h 32m
1 stop
LHR09:05London Heathrow
Delta
16 May
LHR09:55London Heathrow
16h 52m
2 stops
PHL21:47Philadelphia
4 Feb
PHL15:45Philadelphia
16h 45m
1 stop
LHR13:30London Heathrow
JetBlue
5 Jul
LGW12:10London Gatwick
15h 16m
1 stop
PHL22:26Philadelphia
11 Jul
PHL09:01Philadelphia
16h 49m
1 stop
LGW06:50London Gatwick

Find the cheapest one-way flights from London to Philadelphia

If you're looking for one-way flights from London to Philadelphia, view some of our deals below provided by Aer Lingus, Finnair and WestJet
Multiple Airlines
11 Jun
LTN12:50London Luton
25h 36m
2 stops
PHL09:26Philadelphia
WestJet
11 Jun
LHR14:10London Heathrow
26h 54m
2 stops
PHL12:04Philadelphia
Aer Lingus
1 Aug
LHR21:10London Heathrow
27h 00m
1 stop
PHL19:10Philadelphia

Search last-minute flights to Philadelphia from London

Find and compare return flight prices for your last-minute flight from London to Philadelphia
American Airlines
15 May
LHR06:45London Heathrow
14h 20m
1 stop
PHL16:05Philadelphia
22 May
PHL13:36Philadelphia
11h 39m
1 stop
LHR06:15London Heathrow
Multiple Airlines
16 May
LGW10:00London Gatwick
19h 38m
1 stop
PHL00:38Philadelphia
17 Sept
PHL05:30Philadelphia
20h 30m
1 stop
LGW07:00London Gatwick
Finnair
17 May
LHR08:10London Heathrow
13h 43m
1 stop
PHL16:53Philadelphia
19 May
PHL20:45Philadelphia
31h 55m
1 stop
LHR09:40London Heathrow
Air Canada
14 May
LHR06:50London Heathrow
13h 38m
2 stops
PHL15:28Philadelphia
21 May
PHL16:10Philadelphia
14h 40m
2 stops
LHR11:50London Heathrow
British Airways
17 May
LHR09:45London Heathrow
7h 45m
PHL12:30Philadelphia
21 May
PHL19:40Philadelphia
7h 05m
LHR07:45London Heathrow
Lufthansa
16 May
LHR08:30London Heathrow
12h 30m
1 stop
PHL16:00Philadelphia
25 May
PHL15:59Philadelphia
23h 41m
1 stop
LHR20:40London Heathrow

Best airlines flying from London to Philadelphia

Compare and see reviews for airlines that fly from London to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £336Free CancellationRating
7.8
1,590 reviews
Search KLM flights
JetBluePriceFrom £371Free CancellationRating
7.6
4,522 reviews
Search JetBlue flights
Air CanadaPriceFrom £388Free CancellationRating
7.0
6,924 reviews
Search Air Canada flights
American AirlinesPriceFrom £423Free CancellationRating
7.3
14,667 reviews
Search American Airlines flights
British AirwaysPriceFrom £433Free CancellationRating
6.8
6,866 reviews
Search British Airways flights
Austrian AirlinesPriceFrom £438Free CancellationRating
7.6
1,060 reviews
Search Austrian Airlines flights
Aer LingusPriceFrom £440Free CancellationRating
7.2
1,338 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £445Free CancellationRating
7.6
738 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £450Free CancellationRating
7.7
1,378 reviews
Search Finnair flights
Alaska AirlinesPriceFrom £469Free CancellationRating
8.0
9,140 reviews
Search Alaska Airlines flights
  • Finnair Flights From London to Philadelphia

    Finnair flies from London to Philadelphia around 14 times per week, with 1,378 momondo users rating the airline 7.7/10. The cheapest Finnair deal from London to Philadelphia in the last 72 hours was £562 (round-trip), much lower than the average airfare cost of £755 for Finnair flights on this route.

  • American Airlines Flights From London to Philadelphia

    Another popular option for London to Philadelphia flights is American Airlines (7.3/10, 14,667 ratings). American Airlines flies from London to Philadelphia around 14 times per week, with deals starting from £528 round-trip and rising to an average price of around £736.


American Airlines flights from London to Philadelphia

Our best American Airlines deals on London to Philadelphia flight tickets
American Airlines
15 May
LHR06:45London Heathrow
14h 20m
1 stop
PHL16:05Philadelphia
22 May
PHL13:36Philadelphia
11h 39m
1 stop
LHR06:15London Heathrow
American Airlines
15 May
LHR13:00London Heathrow
7h 45m
PHL15:45Philadelphia
22 May
PHL13:36Philadelphia
11h 39m
1 stop
LHR06:15London Heathrow
American Airlines
16 May
LHR06:45London Heathrow
14h 20m
1 stop
PHL16:05Philadelphia
4 Feb
PHL13:35Philadelphia
13h 45m
1 stop
LHR08:20London Heathrow

Air Canada flights from London to Philadelphia

Our best Air Canada deals on London to Philadelphia flight tickets
Air Canada
14 May
LHR06:50London Heathrow
13h 38m
2 stops
PHL15:28Philadelphia
21 May
PHL16:10Philadelphia
14h 40m
2 stops
LHR11:50London Heathrow
Air Canada
17 May
LHR09:30London Heathrow
10h 58m
1 stop
PHL15:28Philadelphia
19 May
PHL17:05Philadelphia
32h 25m
2 stops
LHR06:30London Heathrow
Air Canada
17 May
LHR09:30London Heathrow
35h 51m
2 stops
PHL16:21Philadelphia
19 May
PHL17:05Philadelphia
32h 25m
2 stops
LHR06:30London Heathrow

How to get the cheapest flight ticket from London to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

November. The cheapest time of year to fly to Philadelphia from London is November. The most expensive is July.

What is the cheapest day to depart London for Philadelphia?

Tuesday. The cheapest day of the week is usually Tuesday. The most expensive is usually Sunday.

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

In the afternoon. London to Philadelphia flights are approximately 10% more expensive at midday than in the afternoon

What is the cheapest airline that flies to Philadelphia from London?

KLM. Aer Lingus, Air Canada, and British Airways are the most popular carriers operating from London to Philadelphia

What is the cheapest London to Philadelphia flight route?

London Gatwick - Philadelphia. Fly from London Gatwick to Philadelphia for the best London - Philadelphia flight prices

How far in advance should you book London to Philadelphia flights?

28 days before. The cheapest time to buy a flight from London to Philadelphia is approximately 28 days to departure

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

12 flights are operational weekly from London to Philadelphia as of May 2024. The most popular departure time for this route is 12:00, with 64% of flights per day taking off in the afternoon.

How many flights depart from London to Philadelphia on average per week?

84 flights are operational weekly from London to Philadelphia as of May 2024. The most popular departure day for this route is Monday, with 14% of flights per week taking off on this day.

What cabin class options are available on London to Philadelphia flights?

There are 2 cabin classes available to choose from on London to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Philadelphia flights?

You could potentially save up to 9% on your flight if you consider stops on a London to Philadelphia flight.

Cheap London to Philadelphia (LON to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Philadelphia

Best price found

£239

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from London in the past 72 hours is £239. The best return flight deal from London to Philadelphia found on momondo in the last 72 hours is £504.
The fastest flight from London to Philadelphia takes 7h 45m
Direct flights go from London to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • How far is London to Philadelphia by plane?

    London and Philadelphia are 3538.9 mi apart from one another. 7h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London to Philadelphia Airport?

    Prices for flights from London to Philadelphia Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to Philadelphia Airport?

  • How old do you have to be to fly from London to Philadelphia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from London to Philadelphia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Philadelphia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Philadelphia with flexible booking policies on momondo?

Flights from London to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Philadelphia?

momondo provides multiple filters to help you find the best flight to Philadelphia from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from London and alert you when they change.


An easier way to manage your Philadelphia trip

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