
Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $540 (Trip.com) |
One-way from | $501 (Kiwi.com) |
Popular in | January |
Cheapest in | April |
Average price | $573 |
Fly from
Fly to
Route
Depart
Return
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Thu 1/28
4:00 pm-8:30 pm
1 stop33h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Thu 12/10
4:00 pm-8:30 pm
1 stop33h 30m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Sat 12/5
4:35 pm-8:35 pm
1 stop33h 00m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Thu 12/24
10:35 am-9:11 pm
1 stop15h 36m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Tue 12/22
9:20 pm-3:15 pm
2 stops46h 55m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Sun 11/15
9:25 pm-2:40 pm
2 stops46h 15m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - DCA Washington, D.C. Reagan-National
LGWDCA
London Gatwick
Thu 1/28
11:15 am-11:53 pm
1 stop17h 38m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Thu 2/4
4:00 pm-8:30 pm
1 stop33h 30m
Washington, D.C. Dulles Intl
Sun 2/7
10:30 pm-3:45 pm
1 stop12h 15m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Thu 12/31
10:35 am-9:11 pm
1 stop15h 36m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
LondonWashington, D.C.
LGW London Gatwick - IAD Washington, D.C. Dulles Intl
LGWIAD
London Gatwick
Mon 12/21
11:55 am-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Everything you need to know about your flight from London Gatwick Airport to Washington, D.C.
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