Cheap Flights from Philadelphia (PHL) to London (LHR) from AU$811

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

Prices were available within the past 7 days and start at AU$811 for one-way flights and AU$1,135 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed., 11 Sep. - Tue., 17 Sep.
PHL
Philadelphia
LHR
London
AU$1,135 Return, found 4 days ago
AU$1,135
Return
found 4 days ago
Select Delta flight, departing Wed., 11 Sep. from Philadelphia to London, returning Tue., 17 Sep., priced at AU$1,135 found 4 days ago
Air Canada
Wed., 11 Sep. - Tue., 17 Sep.
PHL
Philadelphia
LHR
London
AU$1,158 Return, found 4 days ago
AU$1,158
Return
found 4 days ago
Select Air Canada flight, departing Wed., 11 Sep. from Philadelphia to London, returning Tue., 17 Sep., priced at AU$1,158 found 4 days ago
British Airways
Wed., 11 Sep. - Tue., 17 Sep.
PHL
Philadelphia
LHR
London
AU$1,170 Return, found 4 days ago
AU$1,170
Return
found 4 days ago
Select British Airways flight, departing Wed., 11 Sep. from Philadelphia to London, returning Tue., 17 Sep., priced at AU$1,170 found 4 days ago
Virgin Atlantic
Tue., 27 Aug. - Sun., 15 Sep.
PHL
Philadelphia
LHR
London
AU$1,186 Return, found 13 hours ago
AU$1,186
Return
found 13 hours ago
Select Virgin Atlantic flight, departing Tue., 27 Aug. from Philadelphia to London, returning Sun., 15 Sep., priced at AU$1,186 found 13 hours ago
KLM
Wed., 11 Sep. - Tue., 17 Sep.
PHL
Philadelphia
LHR
London
AU$1,197 Return, found 4 days ago
AU$1,197
Return
found 4 days ago
Select KLM flight, departing Wed., 11 Sep. from Philadelphia to London, returning Tue., 17 Sep., priced at AU$1,197 found 4 days ago
United
Tue., 10 Sep. - Sun., 29 Sep.
PHL
Philadelphia
LHR
London
AU$1,208 Return, found 13 hours ago
AU$1,208
Return
found 13 hours ago
Select United flight, departing Tue., 10 Sep. from Philadelphia to London, returning Sun., 29 Sep., priced at AU$1,208 found 13 hours ago
United
Tue., 10 Sep. - Sun., 29 Sep.
PHL
Philadelphia
LHR
London
AU$1,215 Return, found 13 hours ago
AU$1,215
Return
found 13 hours ago
Select United flight, departing Tue., 10 Sep. from Philadelphia to London, returning Sun., 29 Sep., priced at AU$1,215 found 13 hours ago
United
Tue., 3 Sep. - Sun., 22 Sep.
PHL
Philadelphia
LHR
London
AU$1,217 Return, found 13 hours ago
AU$1,217
Return
found 13 hours ago
Select United flight, departing Tue., 3 Sep. from Philadelphia to London, returning Sun., 22 Sep., priced at AU$1,217 found 13 hours ago
United
Tue., 10 Sep. - Sun., 29 Sep.
PHL
Philadelphia
LHR
London
AU$1,217 Return, found 13 hours ago
AU$1,217
Return
found 13 hours ago
Select United flight, departing Tue., 10 Sep. from Philadelphia to London, returning Sun., 29 Sep., priced at AU$1,217 found 13 hours ago
British Airways
Tue., 3 Sep. - Sun., 22 Sep.
PHL
Philadelphia
LHR
London
AU$1,220 Return, found 13 hours ago
AU$1,220
Return
found 13 hours ago
Select British Airways flight, departing Tue., 3 Sep. from Philadelphia to London, returning Sun., 22 Sep., priced at AU$1,220 found 13 hours ago
Flight from Philadelphia to London route information
Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Return price
AU$1,135
Distance
5656 km

Your quick guide to flights from Philadelphia to London

Pick up great flights from Philadelphia to London

With Expedia, you have your pick of 17 flights a day with 20 airlines covering flights from Philadelphia to London. 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 Philadelphia to London that take around 7 hours.

Find cheap flights from Philadelphia to London

From the great flight deals with prices currently ranging from AU$1,135 to AU$1,220, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Philadelphia to London 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 London is normally in September.

Reasons to book your flight from Philadelphia to London 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 Philadelphia to London 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 London 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 PHL to London Heathrow?
The lowest price advertised for a round-trip journey from Philadelphia Intl. Airport (PHL) to LHR is AU$1,135. But you better move fast. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Intl. Airport (PHL) to Heathrow Airport?
Most flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR) 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 Philadelphia Airport to LHR flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from PHL to LHR?
With a flight distance of 5 700 kilometres between Philadelphia and Hounslow, this is a long-haul journey. Be sure to stay hydrated and take a short walk down the aisle from time to time.
Which airlines fly direct from Philadelphia Airport to Heathrow Airport?
A leading airline that operates on the route from PHL to London Heathrow is British Airways (BA). It offers 30 flights every month. Another airline operating on this route is American Airlines (AA). You’ll have 26 flights a month to select from.
Are Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR) at the last minute could be your ticket to a great deal. However, it might cost you a whole lot more! If you’d rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn’t released tickets yet, check back often as deals are updated all the time on Expedia.
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