Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (ORD) UA0308, UA0920 34h 19min | Return 04/27/25 1 Stopover (FRA) UA8810, UA9658 11h 30min | | ![]() | ? | $689 | |
Best option Philadelphia London Heathrow | Outbound 04/12/25 direct AY5667 07h 10min | Return 04/27/25 direct AY4050 07h 45min | | ![]() | $846 | ||
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (ORD) UA0308, UA0929 32h 19min | Return 04/27/25 1 Stopover (FRA) UA9546, UA9658 14h 30min | | ![]() | ? | $711 | |
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (ORD) UA0308, UA0929 32h 19min | Return 04/27/25 1 Stopover (YUL) AC0865, AC8859 29h 42min | | ![]() | ? | $728 | |
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (BOS) BA6808, BA1540 11h 50min | Return 04/27/25 direct BA0067 07h 55min | | ![]() | ? | $790 | |
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (BOS) BA4776, BA1540 08h 50min | Return 04/27/25 direct BA0067 07h 55min | | ![]() | $791 | ||
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (BOS) BA4776, BA1540 08h 50min | Return 04/27/25 direct BA0067 07h 55min | | ![]() | $793 | ||
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (BOS) BA4776, BA1540 08h 50min | Return 04/27/25 direct BA0067 07h 55min | | ![]() | $802 | ||
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (ORD) UA0308, UA0929 32h 19min | Return 04/27/25 1 Stopover (FRA) UA9232, UA9658 12h 30min | | ![]() | ? | $810 | |
Philadelphia London Heathrow | Outbound 04/12/25 1 Stopover (YYZ) AC8931, AC0852 19h 35min | Return 04/27/25 1 Stopover (YUL) AC0865, AC8859 29h 42min | | ![]() | ? | $1,046 |
Airline
- British Airways
- United Airlines
- Finnair
- Air Canada
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 | $688.31 |
---|---|
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 $691
- Flight Philadelphia - London from $689
Alternative flights to London Heathrow
- Flight Los Angeles - London Heathrow from $636
- Flight Washington DC - London Heathrow from $442
- Flight Denver - London Heathrow from $588
- Flight Detroit - London Heathrow from $464
- Flight Miami - London Heathrow from $571
- Flight New York - London Heathrow from $561
- Flight Orlando - London Heathrow from $565
- Flight Raleigh-Durham - London Heathrow from $683
- Flight Tampa - London Heathrow from $670
- Flight Boston - London Heathrow from $445
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $686
- Flight London Heathrow - Tangier from $225
- Flight London Heathrow - Abu Dhabi from $378
- Flight London Heathrow - Barcelona from $126
- Flight London Heathrow - Cologne from $120
- Flight London Heathrow - Dusseldorf from $122
- Flight London Heathrow - Frankfurt from $161
- Flight London Heathrow - Toronto from $420
- Flight London Heathrow - Amman from $285
- Flight London Heathrow - Manila from $733
Flight destinations with a similar price
- Flight Philadelphia - Manchester from $691
- Flight Philadelphia - Munich from $683
- Flight Philadelphia - London from $689
- Flight Philadelphia - Brussels from $627
- Flight Philadelphia - Providenciales from $664