Cheap Flights from London (LHR) to Philadelphia (PHL)

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Cheap Flights from London (LHR) to Philadelphia (PHL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed., 12 Mar. - Tue., 18 Mar.
LHR
London
PHL
Philadelphia
AU$962 Return, found 2 days ago
AU$962
Return
found 2 days ago
Select American Airlines flight, departing Wed., 12 Mar. from London to Philadelphia, returning Tue., 18 Mar., priced at AU$962 found 2 days ago
American Airlines
Mon., 9 Dec. - Mon., 16 Dec.
LHR
London
PHL
Philadelphia
AU$977 Return, found 8 hours ago
AU$977
Return
found 8 hours ago
Select American Airlines flight, departing Mon., 9 Dec. from London to Philadelphia, returning Mon., 16 Dec., priced at AU$977 found 8 hours ago
American Airlines
Wed., 12 Mar. - Tue., 18 Mar.
LHR
London
PHL
Philadelphia
AU$981 Return, found 2 days ago
AU$981
Return
found 2 days ago
Select American Airlines flight, departing Wed., 12 Mar. from London to Philadelphia, returning Tue., 18 Mar., priced at AU$981 found 2 days ago
American Airlines
Mon., 9 Dec. - Mon., 16 Dec.
LHR
London
PHL
Philadelphia
AU$986 Return, found 8 hours ago
AU$986
Return
found 8 hours ago
Select American Airlines flight, departing Mon., 9 Dec. from London to Philadelphia, returning Mon., 16 Dec., priced at AU$986 found 8 hours ago
American Airlines
Wed., 12 Mar. - Tue., 18 Mar.
LHR
London
PHL
Philadelphia
AU$993 Return, found 2 days ago
AU$993
Return
found 2 days ago
Select American Airlines flight, departing Wed., 12 Mar. from London to Philadelphia, returning Tue., 18 Mar., priced at AU$993 found 2 days ago
American Airlines
Mon., 9 Dec. - Mon., 16 Dec.
LHR
London
PHL
Philadelphia
AU$999 Return, found 8 hours ago
AU$999
Return
found 8 hours ago
Select American Airlines flight, departing Mon., 9 Dec. from London to Philadelphia, returning Mon., 16 Dec., priced at AU$999 found 8 hours ago
Scandinavian Airlines
Wed., 12 Mar. - Tue., 18 Mar.
LHR
London
PHL
Philadelphia
AU$1,071 Return, found 2 days ago
AU$1,071
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Wed., 12 Mar. from London to Philadelphia, returning Tue., 18 Mar., priced at AU$1,071 found 2 days ago
United
Wed., 12 Mar. - Tue., 18 Mar.
LHR
London
PHL
Philadelphia
AU$1,074 Return, found 2 days ago
AU$1,074
Return
found 2 days ago
Select United flight, departing Wed., 12 Mar. from London to Philadelphia, returning Tue., 18 Mar., priced at AU$1,074 found 2 days ago
American Airlines
Mon., 9 Dec. - Mon., 16 Dec.
LHR
London
PHL
Philadelphia
AU$1,075 Return, found 8 hours ago
AU$1,075
Return
found 8 hours ago
Select American Airlines flight, departing Mon., 9 Dec. from London to Philadelphia, returning Mon., 16 Dec., priced at AU$1,075 found 8 hours ago
Virgin Atlantic
Mon., 9 Dec. - Mon., 16 Dec.
LHR
London
PHL
Philadelphia
AU$1,083 Return, found 8 hours ago
AU$1,083
Return
found 8 hours ago
Select Virgin Atlantic flight, departing Mon., 9 Dec. from London to Philadelphia, returning Mon., 16 Dec., priced at AU$1,083 found 8 hours ago
Flight from London to Philadelphia route information
Origin airport
Heathrow
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic
Return price
AU$961
Distance
5656 km
Average flight time
3 hours 7 mins

Your quick guide to flights from London to Philadelphia

Pick up great flights from London to Philadelphia

With Expedia, you have your pick of flights a day with 20 airlines covering flights from London to Philadelphia. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from London to Philadelphia that take around hours.

Find cheap flights from London to Philadelphia

From the great flight deals with prices currently ranging from AU$962 to AU$1,083, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to Philadelphia around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Philadelphia is normally in March.

Reasons to book your flight from London to Philadelphia with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from London to Philadelphia across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Philadelphia right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from London Heathrow to Philadelphia Intl. Airport (PHL)?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights from LHR to Philadelphia Intl. Airport (PHL) start from AU$962. Book now to score the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to Philadelphia Intl. Airport (PHL)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Heathrow Airport to Philadelphia Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Heathrow Airport to Philadelphia Intl. Airport (PHL) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Heathrow Airport (LHR) to PHL?
With around 5 700 kilometres separating LHR and Philadelphia Airport, your flight will be a long one. Pack wisely and make your time on board comfortable. Little things like an extra pair of socks and a good travel pillow can make a huge difference.
Which airlines fly direct from Heathrow Airport to Philadelphia Airport?
There are several airlines that fly straight from London Heathrow to Philadelphia Intl. Airport (PHL). British Airways (BA) is a top choice, offering 30 flights every month. Another carrier operating on this route is American Airlines (AA). You’ll have 26 flights a month to take your pick of.
Are Heathrow Airport (LHR) to PHL flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes pick up a bargain, with some super cheap airfares from Heathrow Airport to Philadelphia Intl. Airport (PHL) appearing a few weeks before the departure date. If you’d rather book ahead, Expedia compares and updates all the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines issue prices that far in advance.
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