What is the cheapest airline that flies from Washington to London Gatwick?

Delta is the most popular carrier operating from Washington to London Gatwick

How long does it take to fly to London Gatwick Airport?

On average, it takes 9h 15m to fly from State of Washington to London Gatwick Airport if you fly out of Seattle (the most popular airport in State of Washington) and into London Heathrow Airport (the most popular airport in London Gatwick Airport). If you’re flying out of Pasco and into London Heathrow Airport, then the flight time is around 12h 41m.

When did momondo last update prices for flights from Washington to London Gatwick Airport?

Prices for flights from Washington to London Gatwick Airport are refreshed on a daily basis.

How old do you have to be to fly from Washington to London Gatwick Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to London Gatwick Airport.

What documentation or ID do you need to fly to London Gatwick Airport?

The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£254 Cheap Flights from State of Washington to London Gatwick Airport in 2026/27

Find the cheapest flights from Washington to London

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

14:35 - 15:30SEA Seattle/Tacoma Intl-LGW London Gatwick

16h 55m1 stop Reykjavik Keflavik Intl

11:40 - 17:00LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 20m1 stop Reykjavik Keflavik Intl

£582Multiple Airlines

Mon, 30 Nov - Mon, 14 Dec

13:50 - 21:45SEA Seattle/Tacoma Intl-LGW London Gatwick

23h 55m2 stops Frankfurt am Main Kastrup Copenhagen

19:30 - 13:00LGW London Gatwick-SEA Seattle/Tacoma Intl

25h 30m2 stops Kastrup Copenhagen Munich Franz Josef Strauss

£583Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

19:00 - 14:40SEA Seattle/Tacoma Intl-LGW London Gatwick

11h 40m1 stop Reykjavik Keflavik Intl

11:55 - 17:00LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

£584Icelandair

Fri, 23 Oct - Fri, 6 Nov

15:35 - 10:55SEA Seattle/Tacoma Intl-LGW London Gatwick

12h 20m1 stop Reykjavik Keflavik Intl

11:55 - 17:00LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

£584Icelandair

Thu, 29 Oct - Fri, 6 Nov

19:00 - 14:40SEA Seattle/Tacoma Intl-LGW London Gatwick

11h 40m1 stop Reykjavik Keflavik Intl

15:40 - 20:40LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 00m1 stop Reykjavik Keflavik Intl

£584Icelandair

Mon, 12 Oct - Tue, 20 Oct

19:00 - 14:40SEA Seattle/Tacoma Intl-LGW London Gatwick

11h 40m1 stop Reykjavik Keflavik Intl

15:40 - 20:40LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 00m1 stop Reykjavik Keflavik Intl

£584Icelandair

Fri, 16 Oct - Tue, 20 Oct

14:35 - 16:20SEA Seattle/Tacoma Intl-LGW London Gatwick

17h 45m2 stops Reykjavik Keflavik Intl Stockholm Arlanda

19:30 - 17:00LGW London Gatwick-SEA Seattle/Tacoma Intl

29h 30m3 stops Barcelona-El Prat Stockholm Arlanda Reykjavik Keflavik Intl

£585Multiple Airlines

Thu, 26 Nov - Sat, 5 Dec

14:35 - 15:30SEA Seattle/Tacoma Intl-LGW London Gatwick

16h 55m1 stop Reykjavik Keflavik Intl

08:20 - 17:00LGW London Gatwick-SEA Seattle/Tacoma Intl

16h 40m1 stop Reykjavik Keflavik Intl

£585Multiple Airlines

Mon, 7 Dec - Wed, 16 Dec

17:40 - 18:50SEA Seattle/Tacoma Intl-LGW London Gatwick

17h 10m1 stop Frankfurt am Main

10:25 - 16:55LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 30m1 stop Frankfurt am Main

£586Condor

Sun, 11 Oct - Tue, 27 Oct

06:00 - 09:00SEA Seattle/Tacoma Intl-LGW London Gatwick

19h 00m2 stops Minneapolis St Paul Paris Charles de Gaulle

10:00 - 15:14LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 14m1 stop Paris Charles de Gaulle

£601Virgin Atlantic

Wed, 11 Nov - Mon, 16 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

08:00 - 19:15SEA Seattle/Tacoma Intl-LGW London Gatwick

27h 15m3 stops Toronto Pearson Intl Vienna Intl Stockholm Arlanda

13:10 - 12:20LGW London Gatwick-SEA Seattle/Tacoma Intl

31h 10m2 stops Stockholm Arlanda Frankfurt am Main

£624Multiple Airlines

Tue, 29 Sep - Thu, 1 Oct

15:40 - 19:55SEA Seattle/Tacoma Intl-LGW London Gatwick

20h 15m2 stops Reykjavik Keflavik Intl Dublin

08:55 - 20:40LGW London Gatwick-SEA Seattle/Tacoma Intl

19h 45m2 stops Dublin Reykjavik Keflavik Intl

£625Multiple Airlines

Fri, 2 Oct - Fri, 9 Oct

17:40 - 14:45SEA Seattle/Tacoma Intl-LGW London Gatwick

13h 05m1 stop Frankfurt am Main

10:20 - 16:10LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 50m1 stop Frankfurt am Main

£636Condor

Wed, 30 Sep - Mon, 12 Oct

15:40 - 17:50SEA Seattle/Tacoma Intl-LGW London Gatwick

18h 10m2 stops Reykjavik Keflavik Intl Dublin

20:45 - 17:55LGW London Gatwick-SEA Seattle/Tacoma Intl

29h 10m3 stops Kastrup Copenhagen Dublin Reykjavik Keflavik Intl

£640Multiple Airlines

Wed, 30 Sep - Tue, 6 Oct

15:55 - 14:55SEA Seattle/Tacoma Intl-LGW London Gatwick

15h 00m1 stop Kastrup Copenhagen

16:25 - 13:45LGW London Gatwick-SEA Seattle/Tacoma Intl

29h 20m2 stops Barcelona-El Prat Kastrup Copenhagen

£648Multiple Airlines

Fri, 2 Oct - Mon, 5 Oct

15:55 - 14:55SEA Seattle/Tacoma Intl-LGW London Gatwick

15h 00m1 stop Kastrup Copenhagen

16:25 - 13:45LGW London Gatwick-SEA Seattle/Tacoma Intl

29h 20m2 stops Barcelona-El Prat Kastrup Copenhagen

£648Multiple Airlines

Fri, 2 Oct - Mon, 5 Oct

07:00 - 08:25SEA Seattle/Tacoma Intl-LGW London Gatwick

17h 25m2 stops Chicago O'Hare Intl Zurich

09:25 - 18:32LGW London Gatwick-SEA Seattle/Tacoma Intl

17h 07m2 stops Zurich Vancouver Intl

£649SWISS

Tue, 29 Sep - Thu, 8 Oct

18:10 - 18:50SEA Seattle/Tacoma Intl-LGW London Gatwick

16h 40m1 stop Frankfurt am Main

19:40 - 15:40LGW London Gatwick-SEA Seattle/Tacoma Intl

28h 00m1 stop Frankfurt am Main

£650Condor

Mon, 28 Sep - Sat, 10 Oct

15:55 - 14:55SEA Seattle/Tacoma Intl-LGW London Gatwick

15h 00m1 stop Kastrup Copenhagen

20:10 - 13:45LGW London Gatwick-SEA Seattle/Tacoma Intl

25h 35m2 stops Barcelona-El Prat Kastrup Copenhagen

£654Multiple Airlines

Fri, 2 Oct - Mon, 5 Oct

19:00 - 18:30SEA Seattle/Tacoma Intl-LGW London Gatwick

15h 30m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol

06:00 - 17:55LGW London Gatwick-SEA Seattle/Tacoma Intl

19h 55m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl

£658Multiple Airlines

Thu, 1 Oct - Thu, 8 Oct

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Icelandair flights from State of Washington to London Gatwick Airport

Our best Icelandair deals on State of Washington to London Gatwick Airport flight tickets

Icelandair

23 Oct

SEA19:00Seattle/Tacoma Intl

11h 40m

1 stop

LGW14:40London Gatwick

6 Nov

LGW11:55London Gatwick

13h 05m

1 stop

SEA17:00Seattle/Tacoma Intl

£584

Icelandair

12 Oct

SEA19:00Seattle/Tacoma Intl

11h 40m

1 stop

LGW14:40London Gatwick

20 Oct

LGW15:40London Gatwick

13h 00m

1 stop

SEA20:40Seattle/Tacoma Intl

£584

Icelandair

16 Dec

SEA14:35Seattle/Tacoma Intl

12h 20m

1 stop

LGW10:55London Gatwick

24 Dec

LGW11:55London Gatwick

13h 05m

1 stop

SEA17:00Seattle/Tacoma Intl

£587

Delta flights from State of Washington to London Gatwick Airport

Our best Delta deals on State of Washington to London Gatwick Airport flight tickets

Delta

28 Nov

SEA16:05Seattle/Tacoma Intl

15h 40m

1 stop

LGW15:45London Gatwick

11 Dec

LGW10:00London Gatwick

13h 13m

1 stop

SEA15:13Seattle/Tacoma Intl

£597

Delta

23 Jan

SEA16:05Seattle/Tacoma Intl

15h 40m

1 stop

LGW15:45London Gatwick

5 Feb

LGW10:00London Gatwick

13h 03m

1 stop

SEA15:03Seattle/Tacoma Intl

£604

Delta

9 Nov

SEA15:25Seattle/Tacoma Intl

16h 20m

1 stop

LGW15:45London Gatwick

18 Nov

LGW10:00London Gatwick

13h 14m

1 stop

SEA15:14Seattle/Tacoma Intl

£605

momondo 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

Cheapest return flight

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 30/11

14:35-15:30

1 stop16h 55m

London Gatwick

Mon 14/12

11:40-17:00

1 stop13h 20m

£582

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 5/11

13:50-21:45

2 stops23h 55m

London Gatwick

Thu 12/11

19:30-13:00

2 stops25h 30m

£583

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 23/10

19:00-14:40

1 stop11h 40m

London Gatwick

Fri 6/11

11:55-17:00

1 stop13h 05m

£584

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 29/10

15:35-10:55

1 stop12h 20m

London Gatwick

Fri 6/11

11:55-17:00

1 stop13h 05m

£584

Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 12/10

19:00-14:40

1 stop11h 40m

London Gatwick

Tue 20/10

15:40-20:40

1 stop13h 00m

£584

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 16/10

19:00-14:40

1 stop11h 40m

London Gatwick

Tue 20/10

15:40-20:40

1 stop13h 00m

£584

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 26/11

14:35-16:20

2 stops17h 45m

London Gatwick

Sat 5/12

19:30-17:00

3 stops29h 30m

£585

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 7/12

14:35-15:30

1 stop16h 55m

London Gatwick

Wed 16/12

08:20-17:00

1 stop16h 40m

£585

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sun 11/10

17:40-18:50

1 stop17h 10m

London Gatwick

Tue 27/10

10:25-16:55

1 stop13h 30m

£586

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 11/11

06:00-09:00

2 stops19h 00m

London Gatwick

Mon 16/11

10:00-15:14

1 stop13h 14m

£601

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the cheapest month to fly to London Gatwick Airport?

The cheapest month to fly to London Gatwick Airport from State of Washington is in August. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in August, then you should wait until December to fly from State of Washington, when ticket prices are also cheap, with an average price of £397.

Cheap State of Washington to London Gatwick Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to London Gatwick Airport

Best price found	£254
Fastest flight time	11h 35m
Direct flights	None

The best one-way flight to London Gatwick Airport from State of Washington in the past 72 hours is £254. The best return flight deal from State of Washington to London Gatwick Airport found on momondo in the last 72 hours is £582.

The fastest flight from State of Washington to London Gatwick Airport takes 11h 35m

There are no direct flights from State of Washington to London Gatwick Airport. There are no popular flight routes from State of Washington to London Gatwick Airport.

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Frequently asked questions about flying from Washington to London Gatwick Airport

When did momondo last update prices for flights from Washington to London Gatwick Airport?
Prices for flights from Washington to London Gatwick Airport are refreshed on a daily basis.
How old do you have to be to fly from Washington to London Gatwick Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why should I use momondo to find a flight deal from Washington to London?

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Can I find flights from Washington to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to London?

Once all potential Washington to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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Of course. momondo tracks the price of Washington to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington to London from £254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to London departing on 24/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from State of Washington to London Gatwick Airport

Our best Icelandair deals on State of Washington to London Gatwick Airport flight tickets

Delta flights from State of Washington to London Gatwick Airport

Our best Delta deals on State of Washington to London Gatwick Airport flight tickets

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from State of Washington to London Gatwick Airport

What is the cheapest month to fly to London Gatwick Airport?

What is the cheapest airline that flies from Washington to London Gatwick?

How long does it take to fly to London Gatwick Airport?

Cheap State of Washington to London Gatwick Airport flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to London Gatwick Airport

Travelling to a place near London?

Why use momondo?

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

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State of Washington flight routes

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