Cheap Flights from London (LHR) to Philadelphia (PHL) from AU$1,033

    Plan, book, fly with confidence
    trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
    bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
    payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at AU$1,033 for one-way flights and AU$982 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue., 14 May - Tue., 21 May
LHR
London
PHL
Philadelphia
AU$982 Return, found 2 days ago
AU$982
Return
found 2 days ago
Select American Airlines flight, departing Tue., 14 May from London to Philadelphia, returning Tue., 21 May, priced at AU$982 found 2 days ago
American Airlines
Tue., 14 May - Tue., 21 May
LHR
London
PHL
Philadelphia
AU$991 Return, found 2 days ago
AU$991
Return
found 2 days ago
Select American Airlines flight, departing Tue., 14 May from London to Philadelphia, returning Tue., 21 May, priced at AU$991 found 2 days ago
American Airlines
Tue., 14 May - Tue., 21 May
LHR
London
PHL
Philadelphia
AU$1,000 Return, found 2 days ago
AU$1,000
Return
found 2 days ago
Select American Airlines flight, departing Tue., 14 May from London to Philadelphia, returning Tue., 21 May, priced at AU$1,000 found 2 days ago
American Airlines
Tue., 14 May - Tue., 21 May
LHR
London
PHL
Philadelphia
AU$1,011 Return, found 2 days ago
AU$1,011
Return
found 2 days ago
Select American Airlines flight, departing Tue., 14 May from London to Philadelphia, returning Tue., 21 May, priced at AU$1,011 found 2 days ago
American Airlines
Wed., 1 May - Tue., 7 May
LHR
London
PHL
Philadelphia
AU$1,020 Return, found 3 days ago
AU$1,020
Return
found 3 days ago
Select American Airlines flight, departing Wed., 1 May from London to Philadelphia, returning Tue., 7 May, priced at AU$1,020 found 3 days ago
American Airlines
Tue., 21 May - Tue., 28 May
LHR
London
PHL
Philadelphia
AU$1,022 Return, found 6 days ago
AU$1,022
Return
found 6 days ago
Select American Airlines flight, departing Tue., 21 May from London to Philadelphia, returning Tue., 28 May, priced at AU$1,022 found 6 days ago
American Airlines
Wed., 1 May - Tue., 7 May
LHR
London
PHL
Philadelphia
AU$1,029 Return, found 3 days ago
AU$1,029
Return
found 3 days ago
Select American Airlines flight, departing Wed., 1 May from London to Philadelphia, returning Tue., 7 May, priced at AU$1,029 found 3 days ago
American Airlines
Wed., 1 May - Tue., 7 May
LHR
London
PHL
Philadelphia
AU$1,035 Return, found 3 days ago
AU$1,035
Return
found 3 days ago
Select American Airlines flight, departing Wed., 1 May from London to Philadelphia, returning Tue., 7 May, priced at AU$1,035 found 3 days ago
American Airlines
Wed., 1 May - Tue., 7 May
LHR
London
PHL
Philadelphia
AU$1,044 Return, found 3 days ago
AU$1,044
Return
found 3 days ago
Select American Airlines flight, departing Wed., 1 May from London to Philadelphia, returning Tue., 7 May, priced at AU$1,044 found 3 days ago
American Airlines
Wed., 1 May - Tue., 7 May
LHR
London
PHL
Philadelphia
AU$1,098 Return, found 3 days ago
AU$1,098
Return
found 3 days ago
Select American Airlines flight, departing Wed., 1 May from London to Philadelphia, returning Tue., 7 May, priced at AU$1,098 found 3 days ago
Flight from London to Philadelphia route information
Origin airport
Heathrow
Destination airport
Philadelphia Intl.
Return price
AU$982
Distance
5656 km
Average flight time
2 hours 48 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 17 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 2 hours.

Find cheap flights from London to Philadelphia

From the great flight deals with prices currently ranging from AU$982 to AU$1,098, 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 May.

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$982. 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.
London Airports

London

*Available to Expedia members.