Flights from London Gatwick to Philadelphia

Our cheapest offers for flights from London Gatwick to Philadelphia

Here you can compare cheap flights from London Gatwick (LGW) to Philadelphia (PHL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Philadelphia. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Gatwick
Philadelphia
Outbound
03/09/25
1 Stopover (BOS)
B61926, B62159
11h 32min
Return
15/09/25
1 Stopover (BOS)
B61160, B62104
18h 15min
JetBlue Airways ?
£508
Best option
London Gatwick
Philadelphia
Outbound
03/09/25
1 Stopover (BOS)
B61926, B62159
11h 32min
Return
15/09/25
1 Stopover (BOS)
B60560, B62104
13h 35min
JetBlue Airways
£520
London Gatwick
Philadelphia
Pay attention to transfer at connecting flight
Outbound
11/09/25
1 Stopover (MIA)
Z00723, NK3150
32h 29min
Return
15/09/25
1 Stopover (MCO)
NK0321, Z00784
16h 31min
Norse Atlantic UK, Spirit Airlines
£547
London Gatwick
Philadelphia
Outbound
20/10/25
1 Stopover (MAD)
IB1864, AY5680
24h 20min
Return
11/11/25
1 Stopover (MAD)
AY3812, IB1863
17h 50min
Iberia, Finnair
£616
London Gatwick
Philadelphia
Outbound
03/09/25
1 Stopover (BOS)
B61926, B61859
15h 12min
Return
15/09/25
1 Stopover (BOS)
B60560, B62104
13h 35min
JetBlue Airways
£518
London Gatwick
Philadelphia
Outbound
20/10/25
2 Stopovers (JFK, LGA, CLT)
AA6938, AA1023, AA1822
34h 06min
Return
11/11/25
2 Stopovers (MIA, TPA)
AA1964, AA1970, AA7014
46h 40min
American Airlines ?
£545
London Gatwick
Philadelphia
Outbound
11/09/25
1 Stopover (BOS)
B61926, B62159
11h 32min
Return
15/09/25
1 Stopover (BOS)
B61860, B62104
22h 35min
JetBlue Airways
£547
London Gatwick
Philadelphia
Outbound
09/10/25
2 Stopovers (ZRH, FRA)
LX0433, LX1068, LX9394
26h 20min
Return
14/10/25
2 Stopovers (FRA, ZRH)
LX9395, LX3603, LX0432
19h 15min
Swiss International Air Lines
£570
London Gatwick
Philadelphia
Outbound
09/10/25
2 Stopovers (ZRH, FRA)
LX0433, LX3612, LX9394
26h 20min
Return
14/10/25
2 Stopovers (FRA, ZRH)
LX9395, LX1069, LX0432
19h 15min
Swiss International Air Lines
£572
London Gatwick
Philadelphia
Outbound
09/10/25
1 Stopover (MCO)
AY5539, AA2961
27h 25min
Return
14/10/25
1 Stopover (MAD)
AY5687, IB1863
18h 25min
Finnair, American Airlines
£575
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Gatwick to Philadelphia

Favourite airline: e.g. JetBlue Airways, Icelandair
Most travellers looking for flights on the route from London Gatwick to Philadelphia decide to book with JetBlue Airways.
JetBlue Airways
22 %
Icelandair
22 %
Virgin Atlantic
11 %
Favourite connection: via Boston
67 % of tickets booked on this route are for flights via Boston.
Route
bookings
1 stopover Boston Logan
27h 48min, from 921 £
67 %
2 stopovers New York John F Kennedy Atlanta International Airport, GA
41h 43min, from 827 £
33 %

Important flight information

Flight information: London Gatwick - Philadelphia

Outbound and return from 507,70 £
Distance 5725 km
Departure airport Airport London Gatwick (LGW)
Arrival airport Airport Philadelphia International Airport, PA (PHL)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Philadelphia
Flight destinations with a similar price