Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Best option Philadelphia London Heathrow | Outbound 04/29/25 direct IB3518 07h 10min | Return 05/08/25 direct IB3519 07h 55min | | ![]() | $548 | ||
Philadelphia London Heathrow | Outbound 04/29/25 2 Stopovers (BOS, CPH) SK3341, SK0928, SK1517 25h 52min | Return 05/08/25 2 Stopovers (CPH, BOS) SK0500, SK0927, SK3340 19h 51min | | ![]() | $1,273 | ||
Philadelphia London Heathrow | Outbound 04/29/25 1 Stopover (BOS) B60872, B61620 30h 32min | Return 05/08/25 1 Stopover (BOS) B61621, B62659 18h 56min | | ![]() | ? | $550 | |
Philadelphia London Heathrow | Outbound 04/29/25 direct IB3518 07h 10min | Return 05/08/25 direct IB3519 07h 55min | | ![]() | $556 | ||
Philadelphia London Heathrow | Outbound 04/29/25 direct IB3518 07h 10min | Return 05/08/25 direct IB3519 07h 55min | | ![]() | $559 | ||
Philadelphia London Heathrow | Outbound 04/29/25 direct AY5667 07h 10min | Return 05/08/25 direct AY5467 07h 55min | | ![]() | $563 | ||
Philadelphia London Heathrow | Outbound 04/29/25 direct BA1587 07h 10min | Return 05/08/25 direct BA0067 07h 55min | | ![]() | ? | $572 | |
Philadelphia London Heathrow | Outbound 04/29/25 1 Stopover (YUL) UA6616, UA8296 10h 00min | Return 05/08/25 1 Stopover (YYZ) UA8203, UA8210 15h 23min | | ![]() | ? | $583 | |
Philadelphia London Heathrow | Outbound 04/29/25 direct BA1587 07h 10min | Return 05/08/25 direct BA0067 07h 55min | | ![]() | ? | $589 | |
Philadelphia London Heathrow | Outbound 09/19/25 direct IB4664 07h 00min | Return 09/29/25 direct IB3519 07h 55min | | ![]() | ? | $607 |
Stops
- Direct flight
Airline
- Iberia
- Finnair
- Aer Lingus Irish Airlines
- Air Canada
- American Airlines
Tips and tricks to help you find cheap flights from Philadelphia to London Heathrow
Favorite airline: Aer Lingus
Flight tickets on the route Philadelphia – London Heathrow are most frequently booked with Aer Lingus.

Aer Lingus
26 %

United Airlines
25 %

British Airways
16 %
Direct flights are cheaper
Direct flights on this route are $21.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
2 stops
07h 05min
29h 10min
31h 12min
$ 578
$ 599
$ 602
Favourite connection: via Dublin
When booking flights from Philadelphia to London Heathrow 35 % of travelers prefer to fly via Dublin.
Route
bookings
1 stopover Dublin
10h 35min, from $ 719
35 %
1 stopover Montréal-Pierre Elliott Trudeau International Airport
09h 50min, from $ 678
25 %
Direct flights
07h 05min, from $ 578
20 %
Important flight information
Flight information: Philadelphia - London Heathrow
Roundtrip from | $ 547,56 |
---|---|
Flight duration | min. 07:00 / max. 07:25 |
Return flight duration | min. 08:10/ max. 08:45 |
Distance | 5696 km |
Flights per week | 24 |
Departure airport | Airport Philadelphia International Airport, PA (PHL) |
Arrival airport | Airport London Heathrow (LHR) |
Destination country | Flights to United Kingdom |
Alternative routes to United Kingdom
- Flight Philadelphia - Manchester from $ 618
- Flight Philadelphia - London from $ 548
Alternative flights to London Heathrow
- Flight Los Angeles - London Heathrow from $ 533
- Flight Boston - London Heathrow from $ 445
- Flight Washington DC - London Heathrow from $ 442
- Flight Chicago O'Hare - London Heathrow from $ 548
- Flight Seattle-Tacoma - London Heathrow from $ 502
- Flight Denver - London Heathrow from $ 557
- Flight Newark - London Heathrow from $ 443
- Flight New York - London Heathrow from $ 438
- Flight New York - London Heathrow from $ 502
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $ 686
- Flight London Heathrow - Abu Dhabi from $ 378
- Flight London Heathrow - Toronto from $ 411
- Flight London Heathrow - Cologne from $ 120
- Flight London Heathrow - Dusseldorf from $ 104
- Flight London Heathrow - Frankfurt from $ 139
- Flight London Heathrow - Barcelona from $ 108
- Flight London Heathrow - Ahmedabad from $ 501
- Flight London Heathrow - Amritsar from $ 635
- Flight London Heathrow - Erbil from $ 382
Flight destinations with a similar price
- Flight Philadelphia - Honolulu from $ 512
- Flight Philadelphia - London from $ 548
- Flight Philadelphia - Brussels from $ 555
- Flight Philadelphia - Dublin from $ 567
- Flight Philadelphia - Rome-Fiumicino from $ 532
- Flight Philadelphia - Rome from $ 532