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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$518 Cheap Flights from London Gatwick Airport to State of Washington in 2026/27

Find the cheapest flights from London Gatwick Airport to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 am - 11:04 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

20h 39m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

3:25 pm - 3:45 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

16h 20m1 stop Paris Charles de Gaulle

$557Air France

Wed, Oct 14 - Wed, Nov 11

10:25 am - 11:04 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

20h 39m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

3:25 pm - 9:00 amSEA Seattle/Tacoma Intl-LGW London Gatwick

33h 35m1 stop Paris Charles de Gaulle

$559Air France

Wed, Oct 14 - Wed, Nov 4

3:40 pm - 8:40 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

13h 00m1 stop Reykjavik Keflavik Intl

7:00 pm - 2:40 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 40m1 stop Reykjavik Keflavik Intl

$562Icelandair

Fri, Oct 9 - Wed, Oct 14

9:25 am - 10:56 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

45h 31m2 stops Zurich Chicago O'Hare Intl

1:16 pm - 5:50 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

20h 34m2 stops San Francisco Zurich

$563SWISS

Wed, Oct 14 - Wed, Nov 4

10:00 am - 8:38 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

18h 38m2 stops Paris Charles de Gaulle Chicago O'Hare Intl

7:38 am - 9:00 amSEA Seattle/Tacoma Intl-LGW London Gatwick

17h 22m2 stops Boston Logan Intl Paris Charles de Gaulle

$564Air France

Mon, Nov 9 - Mon, Nov 16

3:40 pm - 5:55 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

34h 15m1 stop Reykjavik Keflavik Intl

3:40 pm - 2:40 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

15h 00m1 stop Reykjavik Keflavik Intl

$565Icelandair

Tue, Oct 13 - Sat, Oct 24

10:25 am - 11:15 amLGW London Gatwick-SEA Seattle/Tacoma Intl

32h 50m1 stop Paris Charles de Gaulle

1:30 pm - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 55m1 stop Paris Charles de Gaulle

$565Virgin Atlantic

Wed, Oct 14 - Tue, Oct 20

5:00 pm - 11:20 amLGW London Gatwick-SEA Seattle/Tacoma Intl

26h 20m1 stop Paris Charles de Gaulle

1:30 pm - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 55m1 stop Paris Charles de Gaulle

$566Virgin Atlantic

Mon, Oct 12 - Tue, Oct 20

5:00 pm - 11:15 amLGW London Gatwick-SEA Seattle/Tacoma Intl

26h 15m1 stop Paris Charles de Gaulle

1:30 pm - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 55m1 stop Paris Charles de Gaulle

$568Virgin Atlantic

Wed, Oct 14 - Sun, Oct 18

10:00 am - 3:14 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

13h 14m1 stop Paris Charles de Gaulle

3:25 pm - 3:45 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

16h 20m1 stop Paris Charles de Gaulle

$569Virgin Atlantic

Sun, Nov 8 - Sun, Nov 15

Cheap last minute flights

Enter your travel dates to find the best prices.

3:40 pm - 5:55 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

34h 15m1 stop Reykjavik Keflavik Intl

7:00 pm - 2:35 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 35m1 stop Reykjavik Keflavik Intl

$562Icelandair

Sat, Oct 3 - Sat, Oct 17

5:00 pm - 11:15 amLGW London Gatwick-SEA Seattle/Tacoma Intl

26h 15m1 stop Paris Charles de Gaulle

1:30 pm - 9:20 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 50m1 stop Paris Charles de Gaulle

$564Virgin Atlantic

Sat, Oct 3 - Sat, Oct 17

10:25 am - 5:47 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 22m1 stop Paris Charles de Gaulle

1:30 pm - 9:20 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 50m1 stop Paris Charles de Gaulle

$573Multiple Airlines

Thu, Oct 1 - Sat, Oct 17

10:25 am - 5:47 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 22m1 stop Paris Charles de Gaulle

1:30 pm - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 55m1 stop Paris Charles de Gaulle

$574Delta

Thu, Oct 1 - Thu, Oct 15

5:00 pm - 11:15 amLGW London Gatwick-SEA Seattle/Tacoma Intl

26h 15m1 stop Paris Charles de Gaulle

1:30 pm - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 55m1 stop Paris Charles de Gaulle

$577Virgin Atlantic

Mon, Oct 5 - Sun, Oct 11

5:00 pm - 10:20 amLGW London Gatwick-SEA Seattle/Tacoma Intl

25h 20m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

1:30 pm - 9:20 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 50m1 stop Paris Charles de Gaulle

$578Virgin Atlantic

Fri, Oct 2 - Sat, Oct 17

5:00 pm - 10:20 amLGW London Gatwick-SEA Seattle/Tacoma Intl

25h 20m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

1:30 pm - 4:00 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

18h 30m1 stop Paris Charles de Gaulle

$578Virgin Atlantic

Fri, Oct 2 - Thu, Oct 15

5:00 pm - 10:20 amLGW London Gatwick-SEA Seattle/Tacoma Intl

25h 20m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

7:24 am - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

18h 01m2 stops Boston Logan Intl Paris Charles de Gaulle

$578Virgin Atlantic

Fri, Oct 2 - Tue, Oct 13

5:00 pm - 10:36 amLGW London Gatwick-SEA Seattle/Tacoma Intl

25h 36m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

1:30 pm - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 55m1 stop Paris Charles de Gaulle

$580Virgin Atlantic

Mon, Oct 5 - Sun, Oct 18

10:25 am - 11:58 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

21h 33m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

1:30 pm - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 55m1 stop Paris Charles de Gaulle

$584Air France

Sat, Oct 3 - Sun, Oct 18

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Air France flights from London Gatwick Airport to State of Washington

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

Air France

Oct 14

LGW10:25 amLondon Gatwick

20h 39m

2 stops

SEA11:04 pmSeattle/Tacoma Intl

Nov 11

SEA3:25 pmSeattle/Tacoma Intl

16h 20m

1 stop

LGW3:45 pmLondon Gatwick

$557

Air France

Oct 14

LGW10:25 amLondon Gatwick

20h 39m

2 stops

SEA11:04 pmSeattle/Tacoma Intl

Nov 4

SEA3:25 pmSeattle/Tacoma Intl

33h 35m

1 stop

LGW9:00 amLondon Gatwick

$559

Air France

Nov 9

LGW10:00 amLondon Gatwick

18h 38m

2 stops

SEA8:38 pmSeattle/Tacoma Intl

Nov 16

SEA7:38 amSeattle/Tacoma Intl

17h 22m

2 stops

LGW9:00 amLondon Gatwick

$564

SWISS flights from London Gatwick Airport to State of Washington

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

SWISS

Oct 14

LGW9:25 amLondon Gatwick

45h 31m

2 stops

SEA10:56 pmSeattle/Tacoma Intl

Nov 4

SEA1:16 pmSeattle/Tacoma Intl

20h 34m

2 stops

LGW5:50 pmLondon Gatwick

$563

SWISS

Nov 11

LGW6:40 pmLondon Gatwick

36h 27m

2 stops

SEA11:07 pmSeattle/Tacoma Intl

Nov 18

SEA3:35 pmSeattle/Tacoma Intl

18h 15m

2 stops

LGW5:50 pmLondon Gatwick

$647

SWISS

Jan 10

LGW6:40 pmLondon Gatwick

34h 08m

2 stops

SEA8:48 pmSeattle/Tacoma Intl

Jan 15

SEA3:30 pmSeattle/Tacoma Intl

18h 20m

2 stops

LGW5:50 pmLondon Gatwick

$671

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 round-trip

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 10/14

10:25 am-11:04 pm

2 stops20h 39m

Seattle/Tacoma Intl

Wed 11/11

3:25 pm-3:45 pm

1 stop16h 20m

$557

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 10/14

10:25 am-11:04 pm

2 stops20h 39m

Seattle/Tacoma Intl

Wed 11/4

3:25 pm-9:00 am

1 stop33h 35m

$559

Quickest round-trip

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Fri 10/9

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Wed 10/14

7:00 pm-2:40 pm

1 stop11h 40m

$562

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 10/14

9:25 am-10:56 pm

2 stops45h 31m

Seattle/Tacoma Intl

Wed 11/4

1:16 pm-5:50 pm

2 stops20h 34m

$563

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 11/9

10:00 am-8:38 pm

2 stops18h 38m

Seattle/Tacoma Intl

Mon 11/16

7:38 am-9:00 am

2 stops17h 22m

$564

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 10/13

3:40 pm-5:55 pm

1 stop34h 15m

Seattle/Tacoma Intl

Sat 10/24

3:40 pm-2:40 pm

1 stop15h 00m

$565

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 10/14

10:25 am-11:15 am

1 stop32h 50m

Seattle/Tacoma Intl

Tue 10/20

1:30 pm-9:25 am

1 stop11h 55m

$565

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 10/12

5:00 pm-11:20 am

1 stop26h 20m

Seattle/Tacoma Intl

Tue 10/20

1:30 pm-9:25 am

1 stop11h 55m

$566

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 10/14

5:00 pm-11:15 am

1 stop26h 15m

Seattle/Tacoma Intl

Sun 10/18

1:30 pm-9:25 am

1 stop11h 55m

$568

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 11/8

10:00 am-3:14 pm

1 stop13h 14m

Seattle/Tacoma Intl

Sun 11/15

3:25 pm-3:45 pm

1 stop16h 20m

$569

Flights are sorted by cheapest round-trip 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?

The month of February is, on average, the cheapest month to fly to State of Washington from London Gatwick Airport, with most prices found around $0. 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 $529.

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

You could potentially save up to 26% 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	$518
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 $518. The best round-trip flight deal from London Gatwick Airport to State of Washington found on momondo in the last 72 hours is $557.

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 old do you have to be to fly from London Gatwick Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington for you.

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

Yes. All flights to Washington from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from London.

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.