Flights from London Gatwick to Philadelphia

Trip type

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
31/03/26
2 Stopovers (PMI, MAD)
IB3901, IB1676, IB4675
28h 40min
Return
21/04/26
1 Stopover (MCO)
IB4231, IB3758
32h 45min
Iberia ?
£606
Best option
London Gatwick
Philadelphia
Outbound
31/03/26
1 Stopover (BCN)
BA8065, BA1608
13h 05min
Return
21/04/26
1 Stopover (BCN)
BA1607, BA8064
14h 35min
British Airways
£612
London Gatwick
Philadelphia
Please note: transfer for connecting flight
Outbound
31/03/26
1 Stopover (DUB)
FR1112, EI0115
12h 00min
Return
21/04/26
1 Stopover (DUB)
EI0114, FR0118
13h 45min
Ryanair, Aer Lingus Irish Airlines
£731
London Gatwick
Philadelphia
Outbound
31/03/26
1 Stopover (BCN)
BA8065, BA1608
13h 05min
Return
21/04/26
1 Stopover (BCN)
BA1607, BA8064
14h 35min
British Airways
£613
London Gatwick
Philadelphia
Outbound
19/06/26
1 Stopover (MCO)
IB3759, IB4469
33h 14min
Return
05/07/26
1 Stopover (MCO)
IB4118, IB3756
29h 50min
Iberia ?
£638
London Gatwick
Philadelphia
Outbound
31/03/26
2 Stopovers (PMI, MAD)
IB3901, IB1676, IB4675
28h 40min
Return
21/04/26
1 Stopover (MCO)
IB4231, IB3758
32h 45min
Iberia ?
£670
London Gatwick
Philadelphia
Outbound
19/06/26
1 Stopover (MCO)
IB3759, AA1228
24h 07min
Return
05/07/26
1 Stopover (MCO)
AA3268, IB3756
29h 50min
Iberia, American Airlines ?
£676
London Gatwick
Philadelphia
Outbound
19/06/26
1 Stopover (MCO)
AY5539, AA1228
24h 07min
Return
05/07/26
1 Stopover (MCO)
AA2093, AY5538
22h 40min
Finnair, American Airlines
£677
London Gatwick
Philadelphia
Outbound
31/03/26
2 Stopovers (ZRH, IAD)
LX0431, LX0072, UA6172
33h 46min
Return
21/04/26
2 Stopovers (ORD, ZRH)
UA1209, LX0007, LX0432
42h 03min
Swiss International Air Lines, United Airlines
£684
London Gatwick
Philadelphia
Outbound
19/06/26
1 Stopover (NCE)
BA2576, IB8432
25h 25min
Return
05/07/26
1 Stopover (NCE)
BA1646, BA2577
21h 45min
British Airways, Iberia
£696
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 605,01 £
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