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Cheap flights from London to Philadelphia from £220

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 22/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to Philadelphia

Cheap return flights

These are some of the best return flight deals from London to Philadelphia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Philadelphia.

Cheap last-minute flights

Planning a quick getaway from London to Philadelphia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Philadelphia, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Philadelphia

Find recent round-trip train or bus tickets from London to Philadelphia.

All round-trip flight deals to Philadelphia

The cheapest plane tickets to Philadelphia found on KAYAK recently.
08:25 - 19:07LHR-PHL
15h 42m1 stop
11:10 - 05:55PHL-LHR
13h 45m1 stop
£373JetBlue
Find Deal
Tue, 14 Jan - Thu, 30 Jan
08:25 - 19:07LHR-PHL
15h 42m1 stop
11:10 - 05:55PHL-LHR
13h 45m1 stop
£374JetBlue
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Tue, 14 Jan - Thu, 30 Jan
10:55 - 16:20LHR-PHL
34h 25m1 stop
10:35 - 08:40PHL-LHR
17h 05m1 stop
£486Finnair
Find Deal
Mon, 23 Dec - Mon, 13 Jan
13:10 - 17:20LHR-PHL
8h 10mdirect
13:35 - 09:40PHL-LHR
15h 05m1 stop
£488Finnair
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Tue, 25 Mar - Wed, 2 Apr
08:50 - 16:40LHR-PHL
12h 50m1 stop
21:15 - 09:20PHL-LHR
7h 05mdirect
£503British Airways
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Tue, 21 Jan - Mon, 17 Feb
08:50 - 16:00LHR-PHL
12h 10m1 stop
17:30 - 08:05PHL-LHR
9h 35m1 stop
£506Aer Lingus
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Wed, 4 Dec - Sun, 15 Dec
08:50 - 16:00LHR-PHL
12h 10m1 stop
17:30 - 09:05PHL-LHR
10h 35m1 stop
£513Aer Lingus
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Mon, 9 Dec - Thu, 12 Dec
07:50 - 16:40LHR-PHL
13h 50m1 stop
21:15 - 09:20PHL-LHR
7h 05mdirect
£522British Airways
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Wed, 8 Jan - Mon, 3 Mar
08:30 - 16:25LHR-PHL
12h 55m1 stop
21:10 - 09:20PHL-LHR
7h 10mdirect
£561Iberia
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Sat, 7 Dec - Wed, 11 Dec
07:35 - 15:35LHR-PHL
13h 00m1 stop
18:40 - 06:35PHL-LHR
6h 55mdirect
£580Iberia
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Mon, 30 Dec - Wed, 26 Feb
15:35 - 14:44LTN-PHL
52h 09m2 stops
Wed, 22 Jan
06:40 - 14:44STN-PHL
37h 04m2 stops
Thu, 23 Jan
07:50 - 16:00LHR-PHL
13h 10m1 stop
£404Aer Lingus
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Wed, 4 Dec
13:25 - 19:05LHR-PHL
10h 40m1 stop
£408Aer Lingus
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Mon, 12 May
10:40 - 16:40LHR-PHL
11h 00m1 stop
£465British Airways
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Wed, 22 Jan
08:15 - 16:20LHR-PHL
13h 05m1 stop
£480British Airways
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Wed, 22 Jan
10:15 - 13:30LHR-PHL
8h 15mdirect
£489Iberia
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Tue, 21 Jan
07:20 - 16:35LHR-PHL
14h 15m1 stop
£493Iberia
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Wed, 19 Feb
13:10 - 16:20LHR-PHL
8h 10mdirect
£534Finnair
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Fri, 6 Dec
10:15 - 13:20LHR-PHL
8h 05mdirect
£545Finnair
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Fri, 27 Dec
08:50 - 16:00LHR-PHL
12h 10m1 stop
17:30 - 08:05PHL-LHR
9h 35m1 stop
£520Aer Lingus
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Sun, 24 Nov - Sat, 7 Dec
10:15 - 13:20LHR-PHL
8h 05mdirect
13:40 - 08:40PHL-LHR
14h 00m1 stop
£533Finnair
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Sun, 24 Nov - Sat, 7 Dec
10:15 - 13:20LHR-PHL
8h 05mdirect
21:14 - 08:40PHL-LHR
30h 26m1 stop
£554Finnair
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Wed, 27 Nov - Mon, 2 Dec
09:50 - 16:00LHR-PHL
11h 10m1 stop
11:50 - 08:05PHL-LHR
15h 15m2 stops
£586Aer Lingus
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Mon, 25 Nov - Mon, 2 Dec
11:45 - 19:50LHR-PHL
13h 05m1 stop
18:40 - 06:35PHL-LHR
6h 55mdirect
£659American Airlines
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Wed, 27 Nov - Wed, 4 Dec
13:10 - 16:20LHR-PHL
8h 10mdirect
21:20 - 09:20PHL-LHR
7h 00mdirect
£705British Airways
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Wed, 27 Nov - Wed, 4 Dec
11:45 - 19:50LHR-PHL
13h 05m1 stop
21:20 - 09:20PHL-LHR
7h 00mdirect
£770American Airlines
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Tue, 26 Nov - Tue, 3 Dec
13:10 - 16:20LHR-PHL
8h 10mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£785Iberia
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Wed, 27 Nov - Wed, 4 Dec
13:10 - 16:20LHR-PHL
8h 10mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£814Iberia
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Wed, 27 Nov - Sat, 14 Dec
13:10 - 16:20LHR-PHL
8h 10mdirect
21:20 - 09:20PHL-LHR
7h 00mdirect
£817British Airways
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Tue, 26 Nov - Tue, 3 Dec
10:15 - 13:30LHR-PHL
8h 15mdirect
21:15 - 09:20PHL-LHR
7h 05mdirect
£526British Airways
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Tue, 21 Jan - Mon, 17 Feb
13:10 - 16:20LHR-PHL
8h 10mdirect
21:21 - 09:20PHL-LHR
6h 59mdirect
£529British Airways
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Wed, 15 Jan - Mon, 3 Feb
13:10 - 17:20LHR-PHL
8h 10mdirect
22:40 - 10:50PHL-LHR
7h 10mdirect
£538Finnair
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Tue, 25 Mar - Wed, 2 Apr
13:10 - 16:20LHR-PHL
8h 10mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£540Finnair
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Mon, 13 Jan - Mon, 20 Jan
13:10 - 16:20LHR-PHL
8h 10mdirect
22:20 - 09:20PHL-LHR
7h 00mdirect
£557American Airlines
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Tue, 24 Dec - Thu, 20 Mar
13:10 - 16:20LHR-PHL
8h 10mdirect
19:40 - 06:35PHL-LHR
6h 55mdirect
£562Iberia
Find Deal
Fri, 28 Feb - Mon, 10 Mar
10:15 - 13:20LHR-PHL
8h 05mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£575Iberia
Find Deal
Wed, 25 Dec - Tue, 31 Dec
13:10 - 16:20LHR-PHL
8h 10mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
Tue, 14 Jan - Mon, 3 Feb
13:10 - 16:20LHR-PHL
8h 10mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
Fri, 17 Jan - Mon, 3 Feb
10:15 - 13:30LHR-PHL
8h 15mdirect
21:21 - 09:20PHL-LHR
6h 59mdirect
£608American Airlines
Find Deal
Sat, 18 Jan - Sat, 25 Jan

Finnair flights from London to Philadelphia

Our best Finnair deals on London to Philadelphia flight tickets
Finnair
23 Dec
LHR10:55London Heathrow
34h 25m
1 stop
PHL16:20Philadelphia
13 Jan
PHL10:35Philadelphia
17h 05m
1 stop
LHR08:40London Heathrow
Finnair
25 Mar
LHR13:10London Heathrow
8h 10m
PHL17:20Philadelphia
2 Apr
PHL13:35Philadelphia
15h 05m
1 stop
LHR09:40London Heathrow
Finnair
18 Feb
LHR13:10London Heathrow
8h 10m
PHL16:20Philadelphia
26 Feb
PHL15:44Philadelphia
13h 31m
1 stop
LHR10:15London Heathrow

British Airways flights from London to Philadelphia

Our best British Airways deals on London to Philadelphia flight tickets
British Airways
21 Jan
LHR08:50London Heathrow
12h 50m
1 stop
PHL16:40Philadelphia
17 Feb
PHL21:15Philadelphia
7h 05m
LHR09:20London Heathrow
British Airways
8 Jan
LHR07:50London Heathrow
13h 50m
1 stop
PHL16:40Philadelphia
3 Mar
PHL21:15Philadelphia
7h 05m
LHR09:20London Heathrow
British Airways
13 Jan
LHR07:50London Heathrow
13h 50m
1 stop
PHL16:40Philadelphia
20 Jan
PHL21:31Philadelphia
10h 54m
1 stop
LHR13:25London Heathrow

See travel insights to Philadelphia from

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 to Philadelphia?

If you aren’t able to travel during the month of February, then book flights to Philadelphia from London during January instead. Flights to Philadelphia in January, while not as cheap as those in February, still average around £528.

What is the cheapest day to depart on your flight to Philadelphia?

Our data shows that Tuesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as £563. On the other hand, Sunday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £633.

What is the cheapest time of day to depart on your flight to Philadelphia?

The cheapest time of day to fly to Philadelphia is in the afternoon when flights can be purchased for as low as £523. In the evening is when there is more demand to fly to Philadelphia, so prices are often more expensive at around £621 per ticket.

What is the cheapest London to Philadelphia flight route?

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

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

Most flyers found that booking tickets 55 days in advance of their planned departure date is the best time to get cheap flights to Philadelphia. During this timeframe, flight prices are around £588. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from London for as low as £405 on momondo.

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

There are 4 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 55% on your flight if you consider stops on a London to Philadelphia flight.

How have London to Philadelphia flight prices changed over time?

As of November 2024, prices for London to Philadelphia flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from London to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from London to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

£220

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 £220. The best return flight deal from London to Philadelphia found on momondo in the last 72 hours is £373.
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 55m 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.

  • What is the most popular plane model from London to Philadelphia?

  • What is the most popular airline from London to Philadelphia?


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
IcelandairPriceFrom £363Free CancellationRating
7.2
552 reviews
Search Icelandair flights
JetBluePriceFrom £380Free CancellationRating
7.4
3,382 reviews
Search JetBlue flights
Air CanadaPriceFrom £385Free CancellationRating
7.0
8,254 reviews
Search Air Canada flights
Royal Air MarocPriceFrom £439Free CancellationRating
6.2
515 reviews
Search Royal Air Maroc flights
United AirlinesPriceFrom £444Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
British AirwaysPriceFrom £457Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
Alaska AirlinesPriceFrom £460Free CancellationRating
8.0
9,469 reviews
Search Alaska Airlines flights
FinnairPriceFrom £460Free CancellationRating
7.7
1,299 reviews
Search Finnair flights
LufthansaPriceFrom £462Free CancellationRating
6.8
7,146 reviews
Search Lufthansa flights
American AirlinesPriceFrom £476Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Finnair Flights From London to Philadelphia

    Finnair flies from London to Philadelphia around 14 times per week, with 1,299 momondo users rating the airline 7.7/10. The cheapest Finnair deal from London to Philadelphia in the last 72 hours was £581 (round-trip), much lower than the average airfare cost of £769 for Finnair flights on this route.

  • American Airlines Flights From London to Philadelphia

    Another popular option for London to Philadelphia flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from London to Philadelphia around 14 times per week, with deals starting from £601 round-trip and rising to an average price of around £812.


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.


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