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

Delta, Virgin Atlantic, and Icelandair are the most popular carriers operating from London Gatwick to Washington

How many operators does momondo search for flights from London Gatwick Airport to Washington?

The number of operators available for flights from London Gatwick Airport to Washington is 1 as of November 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£391 Cheap Flights from London Gatwick Airport to State of Washington in 2026/27

Find the cheapest flights from London Gatwick Airport to Washington

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:40 - 17:55LGW London Gatwick-SEA Seattle/Tacoma Intl

34h 15m1 stop Reykjavik Keflavik Intl

15:35 - 13:40SEA Seattle/Tacoma Intl-LGW London Gatwick

15h 05m1 stop Reykjavik Keflavik Intl

£427Icelandair

Sun, 21 Mar - Thu, 25 Mar

10:25 - 15:55LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 30m1 stop Frankfurt am Main

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

16h 00m1 stop Frankfurt am Main

£437Condor

Mon, 18 Jan - Sun, 24 Jan

19:40 - 20:31LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 51m2 stops Madrid Barajas Chicago O'Hare Intl

10:51 - 19:00SEA Seattle/Tacoma Intl-LGW London Gatwick

24h 09m2 stops Chicago O'Hare Intl Madrid Barajas

£438Iberia

Thu, 3 Dec - Thu, 10 Dec

10:25 - 15:55LGW London Gatwick-SEA Seattle/Tacoma Intl

13h 30m1 stop Frankfurt am Main

15:00 - 19:25SEA Seattle/Tacoma Intl-LGW London Gatwick

20h 25m1 stop Frankfurt am Main

£438Condor

Mon, 18 Jan - Sun, 24 Jan

11:15 - 00:59LGW London Gatwick-SEA Seattle/Tacoma Intl

21h 44m2 stops Orlando Miami

23:55 - 07:30SEA Seattle/Tacoma Intl-LGW London Gatwick

23h 35m2 stops Chicago O'Hare Intl Orlando

£441American Airlines

Wed, 20 Jan - Sun, 24 Jan

11:15 - 00:59LGW London Gatwick-SEA Seattle/Tacoma Intl

21h 44m2 stops Orlando Miami

23:55 - 07:30SEA Seattle/Tacoma Intl-LGW London Gatwick

23h 35m2 stops Chicago O'Hare Intl Orlando

£441American Airlines

Tue, 19 Jan - Sun, 24 Jan

11:15 - 11:45LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 30m2 stops Orlando Charlotte Douglas

23:55 - 07:30SEA Seattle/Tacoma Intl-LGW London Gatwick

23h 35m2 stops Chicago O'Hare Intl Orlando

£441American Airlines

Mon, 18 Jan - Sun, 24 Jan

15:40 - 17:55LGW London Gatwick-SEA Seattle/Tacoma Intl

34h 15m1 stop Reykjavik Keflavik Intl

15:40 - 11:45SEA Seattle/Tacoma Intl-LGW London Gatwick

12h 05m1 stop Reykjavik Keflavik Intl

£442Icelandair

Tue, 11 May - Thu, 27 May

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

13h 00m1 stop Reykjavik Keflavik Intl

19:00 - 11:45SEA Seattle/Tacoma Intl-LGW London Gatwick

32h 45m1 stop Reykjavik Keflavik Intl

£442Icelandair

Mon, 10 May - Wed, 26 May

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

13h 00m1 stop Reykjavik Keflavik Intl

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

11h 40m1 stop Reykjavik Keflavik Intl

£442Icelandair

Sat, 8 May - Mon, 24 May

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

13h 05m1 stop Reykjavik Keflavik Intl

14:35 - 10:55SEA Seattle/Tacoma Intl-LGW London Gatwick

12h 20m1 stop Reykjavik Keflavik Intl

£432Icelandair

Wed, 18 Nov - Tue, 24 Nov

19:40 - 20:20LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 40m2 stops Madrid Barajas Chicago O'Hare Intl

05:00 - 10:50SEA Seattle/Tacoma Intl-LGW London Gatwick

21h 50m2 stops Dallas/Fort Worth Madrid Barajas

£454British Airways

Tue, 17 Nov - Sun, 22 Nov

19:40 - 20:20LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 40m2 stops Madrid Barajas Chicago O'Hare Intl

05:00 - 10:50SEA Seattle/Tacoma Intl-LGW London Gatwick

21h 50m2 stops Dallas/Fort Worth Madrid Barajas

£454British Airways

Mon, 16 Nov - Sun, 22 Nov

19:40 - 20:21LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 41m2 stops Madrid Barajas Chicago O'Hare Intl

05:10 - 10:50SEA Seattle/Tacoma Intl-LGW London Gatwick

21h 40m2 stops Dallas/Fort Worth Madrid Barajas

£454British Airways

Wed, 18 Nov - Tue, 24 Nov

19:40 - 20:20LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 40m2 stops Madrid Barajas Chicago O'Hare Intl

07:30 - 10:50SEA Seattle/Tacoma Intl-LGW London Gatwick

19h 20m2 stops Dallas/Fort Worth Madrid Barajas

£454British Airways

Mon, 16 Nov - Tue, 24 Nov

19:40 - 20:21LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 41m2 stops Madrid Barajas Chicago O'Hare Intl

05:00 - 10:50SEA Seattle/Tacoma Intl-LGW London Gatwick

21h 50m2 stops Dallas/Fort Worth Madrid Barajas

£454British Airways

Wed, 18 Nov - Sun, 22 Nov

11:45 - 20:20LGW London Gatwick-SEA Seattle/Tacoma Intl

40h 35m2 stops Madrid Barajas Chicago O'Hare Intl

07:30 - 10:50SEA Seattle/Tacoma Intl-LGW London Gatwick

19h 20m2 stops Dallas/Fort Worth Madrid Barajas

£454British Airways

Tue, 17 Nov - Tue, 24 Nov

16:45 - 16:53LGW London Gatwick-SEA Seattle/Tacoma Intl

32h 08m2 stops Paris Charles de Gaulle Salt Lake City

16:05 - 15:45SEA Seattle/Tacoma Intl-LGW London Gatwick

15h 40m1 stop Paris Charles de Gaulle

£478Virgin Atlantic

Wed, 18 Nov - Tue, 24 Nov

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

13h 14m1 stop Paris Charles de Gaulle

15:25 - 15:45SEA Seattle/Tacoma Intl-LGW London Gatwick

16h 20m1 stop Paris Charles de Gaulle

£480Delta

Wed, 18 Nov - Sun, 22 Nov

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

13h 05m1 stop Reykjavik Keflavik Intl

20:16 - 10:55SEA Seattle/Tacoma Intl-LGW London Gatwick

30h 39m2 stops Denver Intl Reykjavik Keflavik Intl

£670Icelandair

Wed, 18 Nov - Mon, 23 Nov

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Condor flights from London Gatwick Airport to State of Washington

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

Condor

18 Jan

LGW10:25London Gatwick

13h 30m

1 stop

SEA15:55Seattle/Tacoma Intl

24 Jan

SEA15:00Seattle/Tacoma Intl

16h 00m

1 stop

LGW15:00London Gatwick

£437

Condor

18 Jan

LGW10:25London Gatwick

13h 30m

1 stop

SEA15:55Seattle/Tacoma Intl

24 Jan

SEA15:00Seattle/Tacoma Intl

20h 25m

1 stop

LGW19:25London Gatwick

£438

Condor

21 Jan

LGW10:25London Gatwick

13h 30m

1 stop

SEA15:55Seattle/Tacoma Intl

28 Jan

SEA17:50Seattle/Tacoma Intl

13h 10m

1 stop

LGW15:00London Gatwick

£458

Delta flights from London Gatwick Airport to State of Washington

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

Delta

15 Jan

LGW10:00London Gatwick

13h 13m

1 stop

SEA15:13Seattle/Tacoma Intl

22 Jan

SEA15:25Seattle/Tacoma Intl

16h 20m

1 stop

LGW15:45London Gatwick

£477

Delta

16 Nov

LGW10:00London Gatwick

13h 14m

1 stop

SEA15:14Seattle/Tacoma Intl

22 Nov

SEA15:25Seattle/Tacoma Intl

16h 20m

1 stop

LGW15:45London Gatwick

£480

Delta

16 Nov

LGW10:00London Gatwick

13h 14m

1 stop

SEA15:14Seattle/Tacoma Intl

23 Nov

SEA15:25Seattle/Tacoma Intl

16h 20m

1 stop

LGW15:45London Gatwick

£484

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 21/3

14:40-17:55

1 stop34h 15m

Seattle/Tacoma Intl

Thu 25/3

15:35-13:40

1 stop15h 05m

£427

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 18/1

10:25-15:55

1 stop13h 30m

Seattle/Tacoma Intl

Sun 24/1

15:00-15:00

1 stop16h 00m

£437

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Thu 3/12

19:40-20:31

2 stops32h 51m

Seattle/Tacoma Intl

Thu 10/12

10:51-19:00

2 stops24h 09m

£438

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 18/1

10:25-15:55

1 stop13h 30m

Seattle/Tacoma Intl

Sun 24/1

15:00-19:25

1 stop20h 25m

£438

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 20/1

11:15-00:59

2 stops21h 44m

Seattle/Tacoma Intl

Sun 24/1

23:55-07:30

2 stops23h 35m

£441

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 19/1

11:15-00:59

2 stops21h 44m

Seattle/Tacoma Intl

Sun 24/1

23:55-07:30

2 stops23h 35m

£441

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 18/1

11:15-11:45

2 stops32h 30m

Seattle/Tacoma Intl

Sun 24/1

23:55-07:30

2 stops23h 35m

£441

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 11/5

15:40-17:55

1 stop34h 15m

Seattle/Tacoma Intl

Thu 27/5

15:40-11:45

1 stop12h 05m

£442

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 10/5

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Wed 26/5

19:00-11:45

1 stop32h 45m

£442

Fastest return journey

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sat 8/5

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Mon 24/5

19:00-14:40

1 stop11h 40m

£442

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 London Gatwick Airport to State of Washington

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

Airlines

What is the cheapest month to fly to State of Washington?

If you aren’t able to travel to State of Washington during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £399.

Can stopping save me money on London Gatwick Airport to State of Washington flights?

You could potentially save up to 13% on your flight if you consider stops on a London Gatwick Airport to State of Washington flight.

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

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

Best price found	£391
Fastest flight time	12h 55m
Direct flights	None

The best one-way flight to State of Washington from London Gatwick Airport in the past 72 hours is £391. The best return flight deal from London Gatwick Airport to State of Washington found on momondo in the last 72 hours is £427.

The fastest flight from London Gatwick Airport to State of Washington takes 12h 55m

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

Search flight deals

Frequently asked questions about flying from London Gatwick Airport to Washington

When did momondo last update prices for flights from London Gatwick Airport to Washington?
Prices for flights from London Gatwick Airport to Washington refresh daily.
How many operators does momondo search for flights from London Gatwick Airport to Washington?
The number of operators available for flights from London Gatwick Airport to Washington is 1 as of November 2026.
How old do you have to be to fly from London Gatwick Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Gatwick Airport to State of Washington

Compare and see reviews for airlines that fly from London Gatwick Airport to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £399	Free Cancellation	Rating 7.0 766 reviews		Search Icelandair flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from London.

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

momondo does allow users to show only those flights to Washington from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Washington.

I’m not ready to book a flight from London to Washington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.