Cheap flights from Philadelphia to London from $243

Round-trip
1 adult
Economy
From?
To?
Tue 5/24
Tue 5/31

Deals available from 900+ travel sites.

Flight information for Philadelphia to London
(PHL to LON)

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

Best Price Found

$243

Fastest flight time

7h 10m

Direct flights

Fri

Airports in London

6 airports
The best one-way flight to London from Philadelphia in the past 72 hours is $243. The best round-trip flight deal from Philadelphia to London found on momondo in the last 72 hours is $675.
The fastest flight from Philadelphia to London takes 7h 10m
Direct flights go from Philadelphia to London on Friday. Airlines offering direct flights are: Finnair and British Airways.
There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

How to get the cheapest flight ticket from Philadelphia to London

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 Philadelphia to London?

February

The cheapest time of year to fly to London from Philadelphia is February. Most expensive is June

What is the cheapest day to depart Philadelphia for London?

Tuesday

The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday

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

at noon

Philadelphia to London flights are approximately 15% more expensive in the afternoon than at noon

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

Juneyao Airlines

Aer Lingus, Air France, and Iberia are the most popular carriers operating from Philadelphia to London

What is the cheapest Philadelphia to London flight route?

Philadelphia - London Stansted

Fly from Philadelphia to London Stansted for the best Philadelphia - London flight prices

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

37 days before

The cheapest time to buy a flight from Philadelphia to London is approximately 37 days to departure

Newark Airport (EWR) to London Heathrow Airport (LHR)$362
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Newark Airport (EWR) to London Gatwick Airport (LGW)$390
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Newark Airport (EWR) to London Stansted Airport (STN)$415
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Newark Airport (EWR) to London City Airport (LCY)$581
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Newark Airport (EWR) to London Luton Airport (LTN)$433
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Philadelphia Airport (PHL) to London Heathrow Airport (LHR)$653
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When you’re planning your trip from Philadelphia to London, the most popular airport-to-airport route is Philadelphia Airport to London Heathrow Airport. If you are looking for alternate airports to fly out of when traveling to London, you can try flying out of Newark Airport (in Newark), Philadelphia Airport (in Philadelphia), or Allentown-Bethlehem Airport (in Allentown). You may be looking for an airport near London Heathrow Airport to land at when traveling from Philadelphia and luckily, there are options! You can try London Heathrow Airport which is located in London, London Gatwick Airport which is located in London, or London Stansted Airport which is located in London. The least expensive flight option from Philadelphia to London will typically be EWR — LHR during the month of May with an average price of $362 RT.


Easily compare round-trip flights from Philadelphia to London

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Philadelphia to London by changing tabs
Multiple Airlines
Sep 26
PHL2:06 pmPhiladelphia
10h 24m
1 stop
STN12:30 amLondon Stansted
Oct 5
STN2:30 amLondon Stansted
14h 33m
1 stop
PHL5:03 pmPhiladelphia
JetBlue
Aug 24
PHL9:45 amPhiladelphia
12h 10m
1 stop
LGW9:55 pmLondon Gatwick
Sep 7
LGW8:15 amLondon Gatwick
15h 44m
1 stop
PHL11:59 pmPhiladelphia
American Airlines
Sep 8
PHL3:02 pmPhiladelphia
18h 43m
1 stop
LHR9:45 amLondon Heathrow
Sep 10
LHR11:50 amLondon Heathrow
29h 13m
1 stop
PHL5:03 pmPhiladelphia
Aer Lingus
May 31
PHL5:00 pmPhiladelphia
18h 55m
1 stop
LGW11:55 amLondon Gatwick
Jun 8
LGW5:25 amLondon Gatwick
15h 05m
1 stop
PHL8:30 pmPhiladelphia
Air France
Sep 6
PHL11:55 amPhiladelphia
14h 15m
1 stop
LHR2:10 amLondon Heathrow
Sep 14
LHR3:45 pmLondon Heathrow
26h 03m
2 stops
PHL5:48 pmPhiladelphia
KLM
Oct 19
PHL10:25 amPhiladelphia
14h 05m
2 stops
LCY12:30 amLondon City
Oct 26
LCY6:00 amLondon City
15h 56m
2 stops
PHL9:56 pmPhiladelphia

Find the cheapest one-way flights from Philadelphia to London

If you're looking for one-way flights from Philadelphia to London, view some of our deals below provided by Aer Lingus and TAP AIR PORTUGAL
Multiple Airlines
Sep 28
PHL4:15 amPhiladelphia
25h 40m
2 stops
STN5:55 amLondon Stansted
Aer Lingus
Jun 27
PHL5:00 pmPhiladelphia
11h 55m
1 stop
LHR4:55 amLondon Heathrow
TAP AIR PORTUGAL
Sep 14
PHL9:06 amPhiladelphia
21h 29m
2 stops
LHR6:35 amLondon Heathrow

Search last-minute flights to London from Philadelphia

Find and compare round-trip flight prices for your last-minute flight from Philadelphia to London
Multiple Airlines
May 29
PHL2:00 amPhiladelphia
35h 55m
3 stops
LHR1:55 pmLondon Heathrow
Jun 5
LHR3:50 pmLondon Heathrow
33h 17m
3 stops
PHL1:07 amPhiladelphia
Aer Lingus
May 29
PHL5:00 pmPhiladelphia
9h 10m
1 stop
LHR2:10 amLondon Heathrow
Jun 17
LHR3:40 amLondon Heathrow
16h 50m
1 stop
PHL8:30 pmPhiladelphia
Air France
May 29
PHL1:58 pmPhiladelphia
12h 12m
1 stop
LHR2:10 amLondon Heathrow
Jun 10
LHR2:20 amLondon Heathrow
19h 04m
2 stops
PHL9:24 pmPhiladelphia
Icelandair
May 25
PHL5:22 amPhiladelphia
29h 58m
2 stops
LHR11:20 amLondon Heathrow
Jun 6
LHR5:25 pmLondon Heathrow
40h 22m
2 stops
PHL9:47 amPhiladelphia
Multiple Airlines
May 29
PHL5:00 pmPhiladelphia
15h 45m
1 stop
STN8:45 amLondon Stansted
Jun 8
STN2:30 amLondon Stansted
18h 00m
1 stop
PHL8:30 pmPhiladelphia
Multiple Airlines
May 29
PHL5:00 pmPhiladelphia
15h 45m
1 stop
STN8:45 amLondon Stansted
Jun 9
STN2:30 amLondon Stansted
18h 00m
1 stop
PHL8:30 pmPhiladelphia

Best airlines flying from Philadelphia to London

Compare and see reviews for airlines that fly from Philadelphia to London with momondo
AirlineRatingFree CancellationPrice
Juneyao AirlinesPriceFrom $11Free CancellationRating
0.0
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IcelandairPriceFrom $407Free CancellationRating
7.5
7.5

Boarding

7.2

Comfort

7.9

Crew

7.5

Entertainment

6.9

Food

Reviews

Overall the experience was a positive one.

1 / 10
Search Icelandair flights
IberiaPriceFrom $432Free CancellationRating
7.1
7.3

Boarding

6.9

Comfort

7.6

Crew

6.8

Entertainment

6.5

Food

Reviews

Necesitan informar mejor al pasajero donde hacer el depósito del equipaje en el chequeo final.

1 / 10
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United AirlinesPriceFrom $509Free CancellationRating
7.4
7.7

Boarding

7.2

Comfort

8.0

Crew

6.9

Entertainment

6.6

Food

Reviews

It’s a hopper.

1 / 10
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DeltaPriceFrom $526Free CancellationRating
7.8
7.9

Boarding

8.0

Comfort

8.3

Crew

7.7

Entertainment

7.3

Food

Reviews

The food was just ok

1 / 10
Search Delta flights
Air CanadaPriceFrom $528Free CancellationRating
7.8
8.0

Boarding

7.7

Comfort

8.4

Crew

7.5

Entertainment

6.9

Food

Reviews

Even with upgraded seat width is so small that overweight passengers next to me invaded what space I had. Difficult for a long flight.

1 / 10
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Aer LingusPriceFrom $566Free CancellationRating
8.0
8.1

Boarding

7.9

Comfort

8.3

Crew

7.6

Entertainment

7.4

Food

Reviews

The planes we were on were very comfortable. With a lot of space for comfort. The service from the staff was excellent.

1 / 10
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FinnairPriceFrom $582Free CancellationRating
7.7
8.0

Boarding

7.9

Comfort

8.3

Crew

7.1

Entertainment

7.4

Food

Reviews

It was all wonderful!!

1 / 10
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American AirlinesPriceFrom $592Free CancellationRating
7.4
7.8

Boarding

7.4

Comfort

8.2

Crew

7.1

Entertainment

6.6

Food

Reviews

Aside from the plane being filthy, it was a perfectly fine flight

1 / 10
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British AirwaysPriceFrom $594Free CancellationRating
6.7
7.0

Boarding

6.9

Comfort

7.3

Crew

6.4

Entertainment

6.3

Food

Reviews

Arrived in London on time - to be kept waiting on the tarmac for an hour to find a gate. Very frustrating.

1 / 10
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  • Aer Lingus Flights From Philadelphia to London

    Aer Lingus operates around 5 flights from Philadelphia to London every week. The average price of these flights found in the last 72 hours has been $748, but momondo users have found Aer Lingus deals from Philadelphia to London from as low as $566 round-trip. Aer Lingus has been scored 8.0/10 in 75 reviews.

  • Finnair Flights From Philadelphia to London

    $582 is the best Finnair flight deal from Philadelphia to London found on momondo over the last 72 hours. The average Finnair ticket price found was closer to $871, however, with flight time and availability significantly affecting the price. Finnair (7.7/10 from 94 user reviews) flies into London from Philadelphia 15 times in an average week so prices can vary.


Aer Lingus flights from Philadelphia to London

Our best Aer Lingus deals on Philadelphia to London flight tickets
Aer Lingus
May 31
PHL5:00 pmPhiladelphia
18h 55m
1 stop
LGW11:55 amLondon Gatwick
Jun 8
LGW5:25 amLondon Gatwick
15h 05m
1 stop
PHL8:30 pmPhiladelphia
Aer Lingus
May 31
PHL5:00 pmPhiladelphia
9h 10m
1 stop
LHR2:10 amLondon Heathrow
Jun 8
LHR9:25 amLondon Heathrow
11h 05m
1 stop
PHL8:30 pmPhiladelphia
Aer Lingus
Oct 7
PHL5:00 pmPhiladelphia
11h 25m
1 stop
LHR4:25 amLondon Heathrow
Oct 10
LHR9:25 amLondon Heathrow
11h 05m
1 stop
PHL8:30 pmPhiladelphia

Air France flights from Philadelphia to London

Our best Air France deals on Philadelphia to London flight tickets
Air France
Sep 6
PHL11:55 amPhiladelphia
14h 15m
1 stop
LHR2:10 amLondon Heathrow
Sep 14
LHR3:45 pmLondon Heathrow
26h 03m
2 stops
PHL5:48 pmPhiladelphia
Air France
Sep 14
PHL7:15 amPhiladelphia
14h 50m
1 stop
LHR10:05 pmLondon Heathrow
Sep 21
LHR8:25 amLondon Heathrow
13h 31m
1 stop
PHL9:56 pmPhiladelphia
Air France
Sep 6
PHL7:00 amPhiladelphia
19h 10m
1 stop
LHR2:10 amLondon Heathrow
Sep 14
LHR8:25 amLondon Heathrow
13h 31m
1 stop
PHL9:56 pmPhiladelphia

  • Are airlines flying from Philadelphia to London offering flexible cancellation due to COVID-19?

    Due to the global impact of COVID-19, some of our airline partners operating flights from Philadelphia to London, such as British Airways, American Airlines, and Finnair may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.

  • How far is Philadelphia to London by plane?

    A flight from Philadelphia to London will travel around 3538.9 mi. Typically, this will take 9h 10m by plane in normal conditions.



Alternative routes for Philadelphia to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Pittsburgh to London Flights
Fastest flight time7h 20m
Cheapest price$575
Philadelphia to Manchester Flights
Fastest flight time10h 15m
Cheapest price$633
Harrisburg to London Flights
Fastest flight time10h 30m
Cheapest price$785
Philadelphia to Birmingham Flights
Fastest flight time9h 50m
Cheapest price$708
Pittsburgh to Manchester Flights
Fastest flight time12h 20m
Cheapest price$759
Pittsburgh to Birmingham Flights
Fastest flight time20h 25m
Cheapest price$724

Similar Philadelphia to London flights

Flexible with your destination? Broaden your search and find flights similar to your Philadelphia to London route

Why use momondo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Philadelphia.

Yes. momondo allows you to filter the results for Philadelphia to London flights to just show those with flexible booking policies.

Once you have performed a search for Philadelphia to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

Price alerts on flights to London from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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