Cheap flights from Washington to London Gatwick Airport from £188
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Washington to Gatwick
Keep the following information in mind while searching for Washington to Gatwick flight deals. Data was last updated 12 September 2025.
Round-trip from | £375 |
---|---|
One-way from | £188 |
Popular in | June |
Cheapest in | October |
Average price | £514 |
Find flight deals from Washington to Gatwick
Cheapest flights from Washington to GatwickExplore the most affordable flight options available from Washington to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Explore the most affordable flight options available from Washington to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Washington to London Gatwick Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 14/10
15:45-14:40
1 stop14h 55m
London Gatwick
Thu 23/10
15:40-20:40
1 stop13h 00m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sun 16/11
14:35-10:55
1 stop12h 20m
London Gatwick
Wed 26/11
11:55-17:00
1 stop13h 05m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 11/11
14:35-10:55
1 stop12h 20m
London Gatwick
Tue 18/11
11:55-17:00
1 stop13h 05m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 15/10
19:00-14:40
1 stop11h 40m
London Gatwick
Thu 23/10
15:40-20:40
1 stop13h 00m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Mon 13/10
19:00-14:35
1 stop11h 35m
London Gatwick
Thu 23/10
15:40-20:40
1 stop13h 00m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sun 12/10
19:00-14:40
1 stop11h 40m
London Gatwick
Thu 23/10
15:40-20:40
1 stop13h 00m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 19/11
14:35-10:55
1 stop12h 20m
London Gatwick
Wed 26/11
11:55-17:00
1 stop13h 05m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Thu 13/11
14:35-10:55
1 stop12h 20m
London Gatwick
Mon 24/11
11:55-17:00
1 stop13h 05m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sun 9/11
14:35-10:55
1 stop12h 20m
London Gatwick
Tue 18/11
11:55-17:00
1 stop13h 05m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sat 15/11
14:35-10:55
1 stop12h 20m
London Gatwick
Wed 19/11
11:55-17:00
1 stop13h 05m
Best time to book a flight from Washington to Gatwick
Have a flexible travel schedule? Discover the best time to fly to Gatwick from Washington with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington to London Gatwick Airport
What is the cheapest month to book a flight from State of Washington to London Gatwick Airport?
Currently, April is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of £102). Flying from State of Washington to London Gatwick Airport in July is currently the most expensive (average of £142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost for a return flight from State of Washington to London Gatwick Airport?
Related info for your journey
Find useful and relevant information for your journey from Washington to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington to Gatwick
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Why should you use Cheapflights to find cheap flight tickets from Washington to Gatwick?
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Can Cheapflights find flights from Washington to Gatwick with no change fees?
Yes, we can. To see specific flights from Washington to Gatwick with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Washington to Gatwick become cheaper?
Yes, Cheapflights offers price alerts on Washington to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.