What is the cheapest airline that flies from London Gatwick to Seattle/Tacoma Intl?

Delta and Virgin Atlantic are the most popular carriers operating from London Gatwick to Seattle/Tacoma Intl

When did momondo last update prices for flights from London Gatwick Airport to Seattle/Tacoma Intl Airport?

Prices for flights from London Gatwick Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from London Gatwick Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Gatwick Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

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

$512 Cheap Flights from London Gatwick Airport to Seattle in 2026/27

Find the cheapest flights from London Gatwick Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 2:55 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

12h 55m1 stop Paris Charles de Gaulle

3:30 pm - 3:45 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

16h 15m1 stop Paris Charles de Gaulle

$574Virgin Atlantic

Mon, Mar 1 - Wed, Mar 10

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

13h 00m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:55 amSEA Seattle/Tacoma Intl-LGW London Gatwick

12h 20m1 stop Reykjavik Keflavik Intl

$576Icelandair

Thu, Oct 15 - Thu, Nov 5

10:00 am - 10:04 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

20h 04m2 stops Paris Charles de Gaulle Boston Logan Intl

11:45 am - 3:45 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

20h 00m2 stops Cincinnati Cinci./N. Kentucky Paris Charles de Gaulle

$576Air France

Sat, Feb 6 - Thu, Feb 11

11:55 am - 5:00 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:55 amSEA Seattle/Tacoma Intl-LGW London Gatwick

12h 20m1 stop Reykjavik Keflavik Intl

$576Icelandair

Sun, Nov 22 - Thu, Dec 3

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

$577Air France

Fri, Oct 9 - Sun, Oct 18

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

15h 22m1 stop Paris Charles de Gaulle

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

16h 20m1 stop Paris Charles de Gaulle

$577Delta

Thu, Oct 1 - Mon, Nov 30

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

13h 00m1 stop Reykjavik Keflavik Intl

7:10 pm - 1:40 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

11h 30m1 stop Reykjavik Keflavik Intl

$577Icelandair

Thu, Oct 15 - Sat, Oct 24

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

$578Delta

Mon, Nov 16 - Sun, Dec 6

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

$578Delta

Wed, Nov 25 - Wed, Dec 9

11:55 am - 5:00 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:55 amSEA Seattle/Tacoma Intl-LGW London Gatwick

12h 20m1 stop Reykjavik Keflavik Intl

$580Icelandair

Mon, Dec 7 - Sun, Jan 17

Cheap last minute flights

Enter your travel dates to find the best prices.

10:25 am - 5:48 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 23m1 stop Paris Charles de Gaulle

6:40 pm - 4:00 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

13h 20m1 stop Paris Charles de Gaulle

$581Delta

Thu, Sep 24 - Sat, Oct 10

10:25 am - 5:48 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 23m1 stop Paris Charles de Gaulle

6:45 pm - 4:00 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

13h 15m1 stop Paris Charles de Gaulle

$581Delta

Thu, Sep 24 - Mon, Sep 28

10:25 am - 5:48 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 23m1 stop Paris Charles de Gaulle

6:40 pm - 4:00 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

13h 20m1 stop Paris Charles de Gaulle

$581Delta

Fri, Sep 25 - Sat, Oct 10

10:25 am - 5:48 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 23m1 stop Paris Charles de Gaulle

6:40 pm - 4:00 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

13h 20m1 stop Paris Charles de Gaulle

$582Delta

Thu, Sep 24 - Sat, Oct 10

10:25 am - 5:48 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 23m1 stop Paris Charles de Gaulle

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

11h 50m1 stop Paris Charles de Gaulle

$582Delta

Fri, Sep 25 - Sat, Oct 3

10:25 am - 5:48 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

15h 23m1 stop Paris Charles de Gaulle

6:45 pm - 4:00 pmSEA Seattle/Tacoma Intl-LGW London Gatwick

13h 15m1 stop Paris Charles de Gaulle

$582Delta

Wed, Sep 23 - Mon, Sep 28

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

7:16 am - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

18h 09m2 stops Boston Logan Intl Paris Charles de Gaulle

$587Virgin Atlantic

Thu, Sep 24 - Tue, Sep 29

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

7:16 am - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

18h 09m2 stops Boston Logan Intl Paris Charles de Gaulle

$588Virgin Atlantic

Thu, Sep 24 - Tue, Sep 29

10:25 am - 11:55 pmLGW London Gatwick-SEA Seattle/Tacoma Intl

21h 30m2 stops Paris Charles de Gaulle Minneapolis St Paul

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

11h 55m1 stop Paris Charles de Gaulle

$590Virgin Atlantic

Fri, Sep 25 - Tue, Sep 29

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

26h 15m1 stop Paris Charles de Gaulle

7:16 am - 9:25 amSEA Seattle/Tacoma Intl-LGW London Gatwick

18h 09m2 stops Boston Logan Intl Paris Charles de Gaulle

$595Virgin Atlantic

Thu, Sep 24 - Tue, Sep 29

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Air France flights from London Gatwick Airport to Seattle

Our best Air France deals on London Gatwick Airport to Seattle flight tickets

Air France

Oct 14

LGW10:25 amLondon Gatwick

15h 22m

1 stop

SEA5:47 pmSeattle/Tacoma Intl

Oct 21

SEA6:40 pmSeattle/Tacoma Intl

13h 20m

1 stop

LGW4:00 pmLondon Gatwick

$584

Air France

Sep 24

LGW10:25 amLondon Gatwick

15h 23m

1 stop

SEA5:48 pmSeattle/Tacoma Intl

Oct 10

SEA1:30 pmSeattle/Tacoma Intl

11h 50m

1 stop

LGW9:20 amLondon Gatwick

$676

Air France

Sep 24

LGW10:25 amLondon Gatwick

15h 23m

1 stop

SEA5:48 pmSeattle/Tacoma Intl

Oct 10

SEA1:30 pmSeattle/Tacoma Intl

11h 50m

1 stop

LGW9:20 amLondon Gatwick

$678

Virgin Atlantic flights from London Gatwick Airport to Seattle

Our best Virgin Atlantic deals on London Gatwick Airport to Seattle flight tickets

Virgin Atlantic

Mar 1

LGW10:00 amLondon Gatwick

12h 55m

1 stop

SEA2:55 pmSeattle/Tacoma Intl

Mar 10

SEA3:30 pmSeattle/Tacoma Intl

16h 15m

1 stop

LGW3:45 pmLondon Gatwick

$574

Virgin Atlantic

Nov 12

LGW10:00 amLondon Gatwick

21h 00m

2 stops

SEA11:00 pmSeattle/Tacoma Intl

Nov 16

SEA3:25 pmSeattle/Tacoma Intl

16h 20m

1 stop

LGW3:45 pmLondon Gatwick

$586

Virgin Atlantic

Sep 24

LGW5:00 pmLondon Gatwick

25h 20m

2 stops

SEA10:20 amSeattle/Tacoma Intl

Sep 29

SEA7:16 amSeattle/Tacoma Intl

18h 09m

2 stops

LGW9:25 amLondon Gatwick

$587

momondo Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Seattle 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

Mon 3/1

10:00 am-2:55 pm

1 stop12h 55m

Seattle/Tacoma Intl

Wed 3/10

3:30 pm-3:45 pm

1 stop16h 15m

$574

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Thu 10/15

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Thu 11/5

2:35 pm-10:55 am

1 stop12h 20m

$576

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sat 2/6

10:00 am-10:04 pm

2 stops20h 04m

Seattle/Tacoma Intl

Thu 2/11

11:45 am-3:45 pm

2 stops20h 00m

$576

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 11/22

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Thu 12/3

2:35 pm-10:55 am

1 stop12h 20m

$576

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Fri 10/9

10:25 am-5:47 pm

1 stop15h 22m

Seattle/Tacoma Intl

Sun 10/18

1:30 pm-9:25 am

1 stop11h 55m

$577

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Thu 10/1

10:25 am-5:47 pm

1 stop15h 22m

Seattle/Tacoma Intl

Mon 11/30

3:25 pm-3:45 pm

1 stop16h 20m

$577

Quickest round-trip

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Thu 10/15

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sat 10/24

7:10 pm-1:40 pm

1 stop11h 30m

$577

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 11/16

10:00 am-3:14 pm

1 stop13h 14m

Seattle/Tacoma Intl

Sun 12/6

3:25 pm-3:45 pm

1 stop16h 20m

$578

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Wed 11/25

10:00 am-3:14 pm

1 stop13h 14m

Seattle/Tacoma Intl

Wed 12/9

3:25 pm-3:45 pm

1 stop16h 20m

$578

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Mon 12/7

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Sun 1/17

2:35 pm-10:55 am

1 stop12h 20m

$580

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 Seattle

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 typical price of a round-trip flight between London Gatwick Airport and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $1,255 to $1,406.
The lowest price recently found on this route was $574.

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from London Gatwick Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in February, then you should wait until January to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of $529.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from London Gatwick Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $814. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $921.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from London Gatwick Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $793 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $907. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on London Gatwick Airport to Seattle flights?

You could potentially save up to 26% on your flight if you consider stops on a London Gatwick Airport to Seattle flight.

When to book flights from London Gatwick Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London Gatwick Airport to Seattle (LGW to SEA) flight deals and tips

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

Best Price Found	$512
Fastest flight time	12h 55m
Direct flights	None

The best one-way flight to Seattle from London Gatwick Airport in the past 72 hours is $512. The best round-trip flight deal from London Gatwick Airport to Seattle found on momondo in the last 72 hours is $574.

The fastest flight from London Gatwick Airport to Seattle takes 12h 55m

There are no direct flights from London Gatwick Airport to Seattle. There are no popular flight routes from London Gatwick Airport to Seattle.

Search flight deals

Frequently asked questions about flying from London Gatwick Airport to Seattle

How far is London Gatwick to Seattle/Tacoma Intl by plane?
A flight from London Gatwick to Seattle/Tacoma Intl will travel around 4798.7 mi. Typically, this will take 12h 55m by plane in normal conditions.
When did momondo last update prices for flights from London Gatwick Airport to Seattle/Tacoma Intl Airport?
Prices for flights from London Gatwick Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from London Gatwick Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Gatwick Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Redmond

Lakewood

Federal Way

Fife

Puyallup

Tukwila

Lynnwood

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Shoreline

Why use momondo?

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

It is quick and easy to find London to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

momondo does allow users to show only those flights to Seattle 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 Seattle?

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 Seattle from London.

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

Yes momondo offers price alerts on flights to Seattle from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.