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Cheap flights from Washington to London Gatwick Airport from £228

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
28 May — 4 Jun1
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
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 28 April 2026.

Mon 27/418:10
SEA
-
LGW
1 stop16h 40m
Condor
Tue 12/510:20
LGW
-
SEA
1 stop13h 20m
Condor
Deal found 27/4£555
Tue 8/919:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Sat 19/915:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 25/4£556
Wed 12/815:40
SEA
-
LGW
2 stops19h 25m
Multiple Airlines
Wed 19/809:20
LGW
-
SEA
2 stops34h 25m
Multiple Airlines
Deal found 24/4£557
Tue 13/1018:05
SEA
-
LGW
1 stop16h 45m
Condor
Tue 20/1010:20
LGW
-
SEA
1 stop13h 20m
Condor
Deal found 24/4£558
Wed 30/917:40
SEA
-
LGW
1 stop17h 05m
Condor
Mon 5/1010:20
LGW
-
SEA
1 stop13h 50m
Condor
Deal found 26/4£559
Thu 30/414:10
SEA
-
LGW
3 stops33h 55m
Multiple Airlines
Fri 8/520:50
LGW
-
SEA
3 stops32h 18m
Multiple Airlines
Deal found 23/4£563
Sun 3/517:40
SEA
-
LGW
1 stop17h 10m
Condor
Fri 8/510:20
LGW
-
SEA
1 stop13h 40m
Condor
Deal found 24/4£563
Wed 27/508:00
SEA
-
LGW
3 stops28h 10m
Multiple Airlines
Wed 3/610:00
LGW
-
SEA
3 stops34h 20m
Multiple Airlines
Deal found 24/4£565
Sun 27/917:40
SEA
-
LGW
1 stop17h 10m
Condor
Tue 6/1010:20
LGW
-
SEA
1 stop13h 20m
Condor
Deal found 25/4£566
Mon 4/515:40
SEA
-
LGW
2 stops22h 45m
Multiple Airlines
Sun 17/521:35
LGW
-
SEA
3 stops44h 05m
Multiple Airlines
Deal found 24/4£567
Sun 14/615:40
SEA
-
LGW
3 stops33h 00m
Multiple Airlines
Sun 21/610:15
LGW
-
SEA
2 stops33h 30m
Multiple Airlines
Deal found 25/4£571
Tue 28/418:05
SEA
-
LGW
1 stop16h 45m
Condor
Tue 5/510:20
LGW
-
SEA
1 stop13h 20m
Condor
Deal found 23/4£572

Find flight deals from Washington to Gatwick

Keep the following information in mind while searching for Washington to Gatwick flight deals. Data was last updated 28 April 2026.

Round-trip from

£555

One-way from

£228

Popular in

June

Cheapest in

January

Average price

£524
27/5-3/6
  • 27/5-3/6
  • 5 total stops
  • 53h 25m total
  • Washington to London
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 41h 20m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington to Gatwick that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 April 2026.
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

Cheapest return flight

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 5/9

18:15-18:45

1 stop16h 30m

London Gatwick

Mon 14/9

10:20-16:10

1 stop13h 50m

£640

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 16/9

13:38-16:00

2 stops18h 22m

London Gatwick

Fri 30/10

10:00-20:50

2 stops17h 50m

£664

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 5/8

18:40-16:00

1 stop13h 20m

London Gatwick

Thu 27/8

10:25-17:34

1 stop15h 09m

£674

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 14/9

18:10-18:50

1 stop16h 40m

London Gatwick

Wed 16/9

15:35-18:48

2 stops35h 13m

£681

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 12/8

13:30-09:25

1 stop11h 55m

London Gatwick

Wed 19/8

10:25-00:03

2 stops21h 38m

£682

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 26/5

18:05-18:50

1 stop16h 45m

London Gatwick

Sat 6/6

10:20-16:00

1 stop13h 40m

£687

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 19/8

07:20-09:25

2 stops18h 05m

London Gatwick

Wed 26/8

17:00-11:15

1 stop26h 15m

£688

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 8/9

07:00-08:25

2 stops17h 25m

London Gatwick

Tue 22/9

09:25-18:32

2 stops17h 07m

£700

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 12/8

09:10-09:25

2 stops16h 15m

London Gatwick

Tue 15/9

10:35-21:04

2 stops18h 29m

£704

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sat 5/9

07:10-09:20

2 stops18h 10m

London Gatwick

Sat 12/9

10:25-22:11

2 stops19h 46m

£786

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 60 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, February is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of £363). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of £596). 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.

  • 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 11h 55m. 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?

    Most travelers choose Seattle/Tacoma Intl - London Gatwick, Portland - London Gatwick or Spokane - London Gatwick when deciding on the best route 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.

  • What is the cheapest month to book a flight from State of Washington to London Gatwick Airport?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of £363). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of £596). 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.

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
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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Alternative routes for Washington to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Stansted flights
Los Angeles to Stansted flights
Dulles Intl to London City flights
Boston to Stansted flights
Los Angeles to London City flights
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George Bush Intcntl to Heathrow flights
San Francisco to London City flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
San Francisco to Stansted flights
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Fly with Cheapflights

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How does Cheapflights help users find flights from Washington to Gatwick?

Cheapflights helps you search for flights from Washington to Gatwick via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Washington to Gatwick?

Cheapflights helps you find that perfect flight to Gatwick from Washington by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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.

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