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Cheap flights from London Heathrow Airport to Philadelphia from £262

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 Heathrow Airport to Philadelphia departing on 24/2. 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 Heathrow Airport to Philadelphia

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport 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 Heathrow Airport to Philadelphia.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport 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 Heathrow Airport to Philadelphia

Find recent return train or bus tickets from London Heathrow Airport to Philadelphia.

All return flight deals from London Heathrow Airport to Philadelphia

The cheapest plane tickets from London Heathrow Airport to Philadelphia found on KAYAK recently.
06:30 - 22:36LHR-PHL
21h 06m2 stops
14:58 - 11:15PHL-LHR
15h 17m2 stops
£425United Airlines
Find Deal
Mon, 17 Feb - Mon, 24 Feb
08:30 - 16:00LHR-PHL
12h 30m1 stop
17:45 - 09:45PHL-LHR
11h 00m1 stop
£426Lufthansa
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Tue, 11 Feb - Thu, 20 Feb
09:50 - 16:40LHR-PHL
11h 50m1 stop
18:40 - 06:35PHL-LHR
6h 55mdirect
£427British Airways
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Mon, 10 Feb - Wed, 19 Feb
09:50 - 16:35LHR-PHL
11h 45m1 stop
21:16 - 09:20PHL-LHR
7h 04mdirect
£428British Airways
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Mon, 24 Feb - Tue, 4 Mar
07:50 - 16:40LHR-PHL
13h 50m1 stop
22:15 - 09:20PHL-LHR
7h 05mdirect
£440American Airlines
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Mon, 3 Feb - Mon, 10 Mar
07:50 - 16:40LHR-PHL
13h 50m1 stop
21:21 - 09:20PHL-LHR
6h 59mdirect
£441American Airlines
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Mon, 3 Feb - Mon, 10 Feb
10:15 - 13:20LHR-PHL
8h 05mdirect
18:45 - 12:00PHL-LHR
12h 15m1 stop
£455Finnair
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Mon, 17 Feb - Wed, 26 Feb
06:15 - 15:45LHR-PHL
14h 30m1 stop
18:30 - 06:40PHL-LHR
7h 10mdirect
£473Finnair
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Wed, 7 May - Sun, 11 May
07:20 - 16:15LHR-PHL
13h 55m1 stop
18:40 - 06:35PHL-LHR
6h 55mdirect
£486Iberia
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Tue, 25 Feb - Wed, 5 Mar
10:15 - 13:20LHR-PHL
8h 05mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£503Iberia
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Tue, 25 Feb - Wed, 5 Mar
15:15 - 21:25LHR-PHL
59h 10m2 stops
Mon, 24 Feb
15:15 - 00:59LHR-PHL
38h 44m2 stops
Fri, 7 Mar
09:50 - 17:00LHR-PHL
11h 10m1 stop
£374Aer Lingus
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Tue, 18 Mar
12:10 - 22:27LHR-PHL
15h 17m2 stops
£376Aer Lingus
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Mon, 17 Feb
10:15 - 13:30LHR-PHL
8h 15mdirect
£461Finnair
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Mon, 3 Feb
10:15 - 13:20LHR-PHL
8h 05mdirect
£464Finnair
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Mon, 17 Feb
08:50 - 16:35LHR-PHL
12h 45m1 stop
£469British Airways
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Mon, 17 Feb
10:15 - 13:30LHR-PHL
8h 15mdirect
£478Iberia
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Sun, 2 Feb
10:15 - 14:05LHR-PHL
7h 50mdirect
£480Iberia
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Tue, 18 Mar
13:30 - 16:25LHR-PHL
7h 55mdirect
£490British Airways
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Mon, 21 Apr
08:25 - 16:40LHR-PHL
13h 15m1 stop
21:21 - 09:20PHL-LHR
6h 59mdirect
£446American Airlines
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Mon, 27 Jan - Mon, 3 Feb
08:25 - 16:40LHR-PHL
13h 15m1 stop
21:31 - 13:25PHL-LHR
10h 54m1 stop
£448American Airlines
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Mon, 27 Jan - Mon, 3 Feb
10:15 - 13:30LHR-PHL
8h 15mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£466British Airways
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Mon, 27 Jan - Mon, 3 Feb
08:55 - 22:36LHR-PHL
18h 41m2 stops
09:00 - 07:10PHL-LHR
17h 10m2 stops
£468Air Canada
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Mon, 27 Jan - Mon, 3 Feb
07:50 - 16:40LHR-PHL
13h 50m1 stop
11:10 - 09:15PHL-LHR
17h 05m2 stops
£776Aer Lingus
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Sat, 25 Jan - Mon, 27 Jan
07:50 - 16:40LHR-PHL
13h 50m1 stop
11:10 - 09:05PHL-LHR
16h 55m2 stops
£833Aer Lingus
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Sat, 25 Jan - Sun, 2 Feb
08:55 - 22:36LHR-PHL
18h 41m2 stops
15:30 - 11:50PHL-LHR
15h 20m2 stops
£834Air Canada
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Sat, 25 Jan - Mon, 27 Jan
10:15 - 13:30LHR-PHL
8h 15mdirect
21:21 - 09:20PHL-LHR
6h 59mdirect
£842Finnair
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Sat, 25 Jan - Mon, 27 Jan
13:10 - 16:20LHR-PHL
8h 10mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£872Finnair
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Sat, 25 Jan - Sun, 2 Feb
19:55 - 16:40LHR-PHL
25h 45m1 stop
18:40 - 06:35PHL-LHR
6h 55mdirect
£7,610British Airways
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Mon, 27 Jan - Mon, 3 Feb
13:10 - 16:20LHR-PHL
8h 10mdirect
21:16 - 09:20PHL-LHR
7h 04mdirect
£447British Airways
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Wed, 19 Feb - Wed, 26 Feb
13:10 - 16:20LHR-PHL
8h 10mdirect
21:21 - 09:20PHL-LHR
6h 59mdirect
£447British Airways
Find Deal
Tue, 4 Feb - Tue, 11 Feb
13:10 - 16:20LHR-PHL
8h 10mdirect
21:16 - 09:20PHL-LHR
7h 04mdirect
£455Finnair
Find Deal
Mon, 17 Feb - Wed, 26 Feb
10:15 - 14:10LHR-PHL
7h 55mdirect
22:15 - 10:20PHL-LHR
7h 05mdirect
£462Iberia
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Wed, 26 Mar - Mon, 31 Mar
10:15 - 13:30LHR-PHL
8h 15mdirect
21:16 - 09:20PHL-LHR
7h 04mdirect
£466American Airlines
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Mon, 10 Feb - Mon, 17 Feb
10:15 - 13:30LHR-PHL
8h 15mdirect
21:21 - 09:20PHL-LHR
6h 59mdirect
£468American Airlines
Find Deal
Mon, 3 Feb - Mon, 10 Feb
10:15 - 13:20LHR-PHL
8h 05mdirect
21:16 - 09:20PHL-LHR
7h 04mdirect
£481Finnair
Find Deal
Mon, 17 Feb - Fri, 28 Feb
10:15 - 13:20LHR-PHL
8h 05mdirect
18:40 - 06:35PHL-LHR
6h 55mdirect
£503Iberia
Find Deal
Tue, 25 Feb - Wed, 5 Mar
10:05 - 12:50LHR-PHL
7h 45mdirect
22:10 - 10:20PHL-LHR
7h 10mdirect
Wed, 4 Jun - Mon, 16 Jun
10:15 - 13:20LHR-PHL
8h 05mdirect
22:15 - 09:20PHL-LHR
7h 05mdirect
Fri, 7 Mar - Fri, 14 Mar

JetBlue flights from London Heathrow Airport to Philadelphia

Our best JetBlue deals on London Heathrow Airport to Philadelphia flight tickets
JetBlue
4 Mar
LHR08:25London Heathrow
14h 00m
1 stop
PHL17:25Philadelphia
10 Mar
PHL10:11Philadelphia
15h 44m
1 stop
LHR05:55London Heathrow
JetBlue
6 Mar
LHR08:25London Heathrow
13h 59m
1 stop
PHL17:24Philadelphia
10 Mar
PHL10:11Philadelphia
15h 44m
1 stop
LHR05:55London Heathrow
JetBlue
22 Jan
LHR08:25London Heathrow
15h 42m
1 stop
PHL19:07Philadelphia
29 Jan
PHL11:10Philadelphia
13h 45m
1 stop
LHR05:55London Heathrow

American Airlines flights from London Heathrow Airport to Philadelphia

Our best American Airlines deals on London Heathrow Airport to Philadelphia flight tickets
American Airlines
3 Feb
LHR07:50London Heathrow
13h 50m
1 stop
PHL16:40Philadelphia
10 Mar
PHL22:15Philadelphia
7h 05m
LHR09:20London Heathrow
American Airlines
3 Feb
LHR07:50London Heathrow
13h 50m
1 stop
PHL16:40Philadelphia
10 Feb
PHL21:21Philadelphia
6h 59m
LHR09:20London Heathrow
American Airlines
3 Feb
LHR07:50London Heathrow
13h 50m
1 stop
PHL16:40Philadelphia
10 Feb
PHL21:21Philadelphia
6h 59m
LHR09:20London Heathrow

See travel insights to Philadelphia from

How to get the cheapest flight ticket from London Heathrow Airport 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 typical price of a round-trip flight between London Heathrow Airport and Philadelphia?

What is the cheapest month to fly to Philadelphia?

If you aren’t able to travel during the month of March, then book flights to Philadelphia from London Heathrow Airport during February instead. Flights to Philadelphia in February, while not as cheap as those in March, still average around £535.

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 £586. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £658.

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 £547. In the morning 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 Heathrow to Philadelphia flight route?

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

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

You are more likely to see cheaper flights to Philadelphia from London Heathrow Airport when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around £611 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from London Heathrow Airport for as low as £579 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Philadelphia flight prices changed over time?

As of January 2025, prices for London Heathrow Airport to Philadelphia flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Philadelphia

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

Cheap London Heathrow Airport to Philadelphia (LHR to PHL) flight deals and tips

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

Best price found

£262

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from London Heathrow Airport in the past 72 hours is £262. The best return flight deal from London Heathrow Airport to Philadelphia found on momondo in the last 72 hours is £425.
The fastest flight from London Heathrow Airport to Philadelphia takes 7h 45m
Direct flights go from London Heathrow Airport to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • How far is London Heathrow to Philadelphia by plane?

    London Heathrow and Philadelphia are 3526.0 mi apart from one another. Flights usually cover this in 7h 45m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Heathrow Airport to Philadelphia Airport are updated daily.

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

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

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

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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


Best airlines flying from London Heathrow Airport to Philadelphia

Compare and see reviews for airlines that fly from London Heathrow Airport to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £366Free CancellationRating
7.1
502 reviews
Search Icelandair flights
JetBluePriceFrom £387Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
Air CanadaPriceFrom £417Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
British AirwaysPriceFrom £474Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
LufthansaPriceFrom £475Free CancellationRating
6.7
7,111 reviews
Search Lufthansa flights
United AirlinesPriceFrom £480Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
American AirlinesPriceFrom £486Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom £487Free CancellationRating
7.6
1,286 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £489Free CancellationRating
7.5
665 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £489Free CancellationRating
7.1
1,082 reviews
Search Aer Lingus flights
  • Finnair Flights From London Heathrow Airport to Philadelphia

    Finnair flies from London Heathrow Airport to Philadelphia around 14 times per week, with 1,286 momondo users rating the airline 7.6/10. The cheapest Finnair deal from London Heathrow Airport to Philadelphia in the last 72 hours was £599 (round-trip), much lower than the average airfare cost of £748 for Finnair flights on this route.

  • American Airlines Flights From London Heathrow Airport to Philadelphia

    £597 is the best American Airlines flight deal from London Heathrow Airport to Philadelphia found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to £809, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into Philadelphia from London Heathrow Airport 14 times in an average week so prices can vary.


Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Dover
Newark
Vineland
King of Prussia
Rehoboth Beach
Cape May
Cherry Hill
Dewey Beach

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Philadelphia for you.

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

momondo does allow users to show only those flights to Philadelphia from London which offer a flexible booking policy as well as other useful filters and features.

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?

Price alerts on flights to Philadelphia from London 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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