Flight Routes from London Gatwick to Washington DC

Trip type

Our cheapest offers for flights from London Gatwick to Washington DC

Here you can compare cheap flights from London Gatwick (LGW) to Washington DC (IAD) 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 Washington DC. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Gatwick
Washington DC
Outbound
24/09/26
1 Stopover (KEF)
FI0473, FI0645
32h 40min
Return
27/09/26
1 Stopover (KEF)
FI0644, FI0472
13h 10min
Icelandair
£439
found yesterday
Best option
London Gatwick
Washington DC
Outbound
24/09/26
1 Stopover (KEF)
FI0473, FI0645
32h 40min
Return
27/09/26
1 Stopover (KEF)
FI0648, FI0472
10h 20min
Icelandair
£443
found yesterday
London Gatwick
Washington DC
Outbound
24/09/26
1 Stopover (IST)
TK1930, TK0187
33h 05min
Return
27/09/26
1 Stopover (IST)
TK0188, TK1981
15h 35min
Turkish Airlines
£728
found yesterday
London Gatwick
Washington DC
Outbound
24/09/26
1 Stopover (KEF)
FI0473, FI0645
32h 40min
Return
27/09/26
1 Stopover (KEF)
FI0644, FI0472
13h 10min
Icelandair
£440
found yesterday
London Gatwick
Washington DC
Outbound
24/09/26
1 Stopover (KEF)
FI0473, FI0645
32h 40min
Return
27/09/26
1 Stopover (KEF)
FI0648, FI0472
10h 20min
Icelandair
£447
found yesterday
London Gatwick
Washington DC
Outbound
24/09/26
1 Stopover (KEF)
FI0473, FI0645
32h 40min
Return
27/09/26
1 Stopover (KEF)
FI0644, FI0472
13h 10min
Icelandair
£470
found yesterday
London Gatwick
Washington DC
Outbound
25/05/26
1 Stopover (ZRH)
LX0433, LX0072
27h 10min
Return
07/06/26
1 Stopover (ZRH)
LX0073, LX0430
31h 00min
Swiss International Air Lines
£484
London Gatwick
Washington DC
Outbound
25/05/26
1 Stopover (ZRH)
LX0433, LX0072
27h 10min
Return
07/06/26
1 Stopover (ZRH)
LX0073, LX0430
31h 00min
Swiss International Air Lines
£488
London Gatwick
Washington DC
Outbound
24/09/26
1 Stopover (KEF)
FI0473, FI0645
32h 40min
Return
27/09/26
1 Stopover (KEF)
FI0648, FI0472
10h 20min
Icelandair ?
£516
found yesterday
London Gatwick
Washington DC
Outbound
25/05/26
1 Stopover (KEF)
FI0473, FI0645
32h 40min
Return
07/06/26
1 Stopover (KEF)
FI0648, FI0472
10h 20min
Icelandair
£537
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 Washington DC

Favourite airline: Icelandair
The favourite airline for flights from London Gatwick to Washington DC is Icelandair.
Icelandair
94 %
TAP Portugal
6 %
Favourite connection: via Reykjavik-Keflavik
The most popular flights on this route are via Reykjavik-Keflavik and are booked by 94 % of all travellers.
Route
bookings
1 stopover Reykjavik-Keflavik International
11h 15min, from 545 £
94 %
1 stopover Lisbon
13h 15min, from 774 £
6 %

Important flight information

Flight information: London Gatwick - Washington DC

Outbound and return from 438,99 £
Distance 5938 km
Departure airport Airport London Gatwick (LGW)
Arrival airport Airport Washington DC - Dulles International Airport, DC (IAD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Washington DC
Popular destinations for onward travel
Flight destinations with a similar price