| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Philadelphia London Heathrow | Outbound 10/18/25 1 Stopover (BOS) BA6808, BA0238 19h 20min | Return 11/17/25 1 Stopover (DUB) BA0832, BA1580 29h 15min |  British Airways |  | $551 | ||
| Best option Philadelphia London Heathrow | Outbound 09/19/25 direct IB4664 07h 00min | Return 09/29/25 direct IB3519 07h 55min |  Iberia |  | ? | $607 | |
| Philadelphia London Heathrow | Outbound 09/04/25 2 Stopovers (BOS, FRA) B61860, DE2039, LH0900 21h 40min | Return 09/28/25 2 Stopovers (FRA, BOS) LH0923, DE2038, B62159 16h 12min |    JetBlue Airways, Condor, Lufthansa |  | $1,084 | ||
| Philadelphia London Heathrow | Outbound 10/18/25 1 Stopover (ATL) VS2665, VS4044 30h 25min | Return 11/17/25 2 Stopovers (CDG, MSP) VS6657, VS3986, VS2095 35h 08min |  Virgin Atlantic Airways | | ? | $552 | |
| Philadelphia London Heathrow | Outbound 10/18/25 1 Stopover (BOS) BA6808, BA0238 19h 20min | Return 11/17/25 1 Stopover (BCN) BA0490, BA1608 28h 20min | British Airways |  | ? | $557 | |
| Philadelphia London Heathrow | Outbound 10/18/25 direct IB4672 07h 10min | Return 11/17/25 1 Stopover (DUB) BA0832, IB4662 29h 15min | Iberia |  | ? | $579 | |
| Philadelphia London Heathrow | Outbound 09/19/25 direct AY4045 07h 15min | Return 09/29/25 1 Stopover (LIS) AY5984, AY4150 22h 35min |  Finnair |  | $610 | ||
| Philadelphia London Heathrow | Outbound 10/18/25 direct BA1587 07h 00min | Return 11/17/25 1 Stopover (DUB) BA0824, BA1580 12h 25min | British Airways |  | $615 | ||
| Philadelphia London Heathrow | Outbound 09/19/25 1 Stopover (YUL) AC8860, AC0866 10h 10min | Return 09/29/25 1 Stopover (YUL) UA8035, UA8334 17h 57min |  Air Canada |  | ? | $619 | |
| Philadelphia London Heathrow | Outbound 09/19/25 direct AY4045 07h 15min | Return 09/29/25 1 Stopover (LIS) AY5984, AY4150 22h 35min | Finnair | | ? | $619 |
Stops
- Direct flight
Airline
- British Airways
- Iberia
- Finnair
- American Airlines
- Aer Lingus Irish 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 | $550.17 |
|---|---|
| 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 $562
- Flight Philadelphia - London from $551
Alternative flights to London Heathrow
- Flight Los Angeles - London Heathrow from $533
- Flight Boston - London Heathrow from $437
- Flight Detroit - London Heathrow from $494
- Flight Washington DC - London Heathrow from $414
- Flight Miami - London Heathrow from $513
- Flight Chicago O'Hare - London Heathrow from $413
- Flight Seattle-Tacoma - London Heathrow from $502
- Flight San Francisco - London Heathrow from $506
- Flight Baltimore - London Heathrow from $488
- Flight Denver - London Heathrow from $460
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $686
- Flight London Heathrow - Abuja from $662
- Flight London Heathrow - Amman from $285
- Flight London Heathrow - Amsterdam from $154
- Flight London Heathrow - Abu Dhabi from $378
- Flight London Heathrow - Barcelona from $119
- Flight London Heathrow - Cologne from $120
- Flight London Heathrow - Dusseldorf from $104
- Flight London Heathrow - Frankfurt from $139
- Flight London Heathrow - Lagos from $626
Flight destinations with a similar price
- Flight Philadelphia - Honolulu from $510
- Flight Philadelphia - Rome-Fiumicino from $567
- Flight Philadelphia - Frankfurt from $600
- Flight Philadelphia - Munich from $546
- Flight Philadelphia - Manchester from $562
- Flight Philadelphia - Zurich from $521
- Flight Philadelphia - Berlin from $541
- Flight Philadelphia - Dusseldorf from $591
- Flight Philadelphia - Stuttgart from $593
- Flight Philadelphia - London from $551