Flight Routes from London Gatwick to Washington DC

Trip type

Our cheapest offers for flights from London Gatwick (LGW) to Washington DC (IAD)

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
01/12/26
1 Stopover (LIS)
TP1337, TP0233
33h 00min
Return
08/12/26
1 Stopover (LIS)
TP0232, TP1336
17h 20min
TAP Air Portugal
£462
London Gatwick
Washington DC
Please note: transfer for connecting flight
Outbound
01/12/26
1 Stopover (KEF)
U28843, FI0645
15h 30min
Return
08/12/26
1 Stopover (KEF)
FI0644, U28846
16h 50min
easyJet, Icelandair
£635
Best option
London Gatwick
Washington DC
Outbound
08/08/26
1 Stopover (CDG)
VS6741, VS6758
14h 10min
Return
15/08/26
1 Stopover (CDG)
VS6761, VS6740
10h 05min
Virgin Atlantic Airways
£657
London Gatwick
Washington DC
Outbound
01/12/26
1 Stopover (LIS)
TP1337, TP0233
33h 00min
Return
08/12/26
1 Stopover (LIS)
TP0232, TP1336
17h 20min
TAP Air Portugal
£463
London Gatwick
Washington DC
Outbound
01/12/26
1 Stopover (LIS)
TP1337, TP0233
33h 00min
Return
08/12/26
1 Stopover (LIS)
TP0232, TP1336
17h 20min
TAP Air Portugal
£464
London Gatwick
Washington DC
Outbound
01/12/26
1 Stopover (LIS)
TP1337, TP0233
33h 00min
Return
08/12/26
1 Stopover (LIS)
TP0232, TP1336
17h 20min
TAP Air Portugal
£477
London Gatwick
Washington DC
Outbound
01/12/26
1 Stopover (LIS)
TP1337, TP0233
33h 00min
Return
08/12/26
1 Stopover (LIS)
TP0232, TP1334
11h 25min
TAP Air Portugal ?
£536
London Gatwick
Washington DC
Outbound
01/12/26
2 Stopovers (CDG, ATL)
DL8500, DL8715, DL1309
16h 12min
Return
08/12/26
1 Stopover (CDG)
VS6761, VS6742
16h 05min
Delta Air Lines ?
£575
London Gatwick
Washington DC
Outbound
08/08/26
1 Stopover (ZRH)
LX0433, LX3200
25h 55min
Return
15/08/26
1 Stopover (ZRH)
LX0073, LX0432
16h 30min
Swiss International Air Lines
£591
London Gatwick
Washington DC
Outbound
08/08/26
1 Stopover (CDG)
VS6741, VS6758
14h 10min
Return
15/08/26
1 Stopover (CDG)
VS6759, VS6742
13h 15min
Virgin Atlantic Airways
£621
Prices based on recent searches, subject to last-minute changes
Page 1 / 2

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

Frequently Asked Questions (FAQ)

Flight information: London Gatwick - Washington DC

Outbound and return from £461.20
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
City-Code - Arrival airport London - Washington DC - Dulles International Airport, DC
Departure airport - Destination country London Gatwick - United States
Departure airport - City-Code London Gatwick - Washington-DC
Alternative routes to United States
Alternative flights to Washington DC
Popular destinations for onward travel
Flight destinations with a similar price