Cheap flights from Washington to London Gatwick Airport from £253

SEA — LGW
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Gatwick

Tue 8/1214:35 -
2 stops23h 10m
Thu 24/1207:00 -
2 stops18h 00m
Deal found 11/11£508
Thu 26/1114:35 -
3 stops33h 30m
Thu 3/1217:40 -
3 stops31h 20m
Deal found 8/11£533
Tue 1/1207:45 -
2 stops25h 05m
Tue 8/1216:45 -
3 stops28h 15m
Deal found 9/11£539
Tue 17/1107:45 -
2 stops21h 40m
Tue 24/1119:30 -
2 stops25h 30m
Deal found 11/11£541
Tue 1/1207:45 -
2 stops25h 05m
Mon 7/1217:15 -
3 stops33h 07m
Deal found 9/11£542
Mon 16/1114:35 -
2 stops17h 45m
Tue 24/1119:30 -
3 stops29h 30m
Deal found 10/11£545
Tue 8/1207:45 -
2 stops21h 40m
Tue 15/1219:30 -
2 stops25h 30m
Deal found 10/11£545
Thu 12/1107:45 -
2 stops30h 00m
Tue 17/1119:30 -
2 stops25h 30m
Deal found 9/11£548
Mon 16/1117:50 -
1 stop13h 10m
Thu 3/1210:25 -
1 stop13h 30m
Deal found 11/11£549

Find flight deals from Washington to Gatwick

Round-trip from

£490

One-way from

£253

Popular in

June

Cheapest in

January

Average price

£654
11/2-15/2
  • 11/2-15/2
  • 5 total stops
  • 64h 27m total
  • Washington to London
7/12-31/12
  • 7/12-31/12
  • 2 total stops
  • 17h 45m total
  • Washington to London
Highest demand for flights based on searches. 14% potential increase in price (£90 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington to London Gatwick Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 26/4

09:30-16:00

2 stops22h 30m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£256

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 1/5

18:35-16:00

1 stop13h 25m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£290

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 26/2

15:30-15:45

1 stop16h 15m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£290

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 6/2

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£290

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 27/2

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£290

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 8/5

07:00-08:25

2 stops17h 25m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£294
Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 24/11

14:35-10:55

1 stop12h 20m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£296

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 5/12

14:35-14:15

2 stops15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£316

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 27/2

23:02-07:30

1 stop24h 28m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£422

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 12/5

22:59-08:55

1 stop25h 56m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£432

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 23 resultsSorted by cheapest first
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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.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Washington to London Gatwick Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

  • How long is the flight from State of Washington to London Gatwick Airport?

    Departing from State of Washington to London Gatwick Airport will take you 16h 15m. The distance between State of Washington and London Gatwick Airport is about 4807 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from State of Washington to London Gatwick Airport?

  • Can I find deals for flights from Washington to Gatwick that include hotel bookings?

    Yes. In addition to deals on Washington to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Gatwick.

  • Can I find deals for business class flights from Washington to Gatwick?

    Yes. Cheapflights offers flight deals from Washington to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Luton
Wembley
Milton Keynes
Gatwick
Slough
Ilford
Hayes
Folkestone
Eastbourne
Croydon
Barnet
Southall
Southend-on-Sea
Enfield
Brentford
Dover
Harrow
Watford
Dagenham

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington to Gatwick

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