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

Icelandair and JetBlue 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.

$561 Cheap Flights from London Gatwick Airport to Seattle in 2026

Q: 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 $718 to $908. The lowest price recently found on this route was $607.

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.

1:00 pm - 5:55 pm

LGW

SEA

12h 55m

1 stop

3:35 pm - 10:55 am

SEA

LGW

12h 20m

1 stop

$607Icelandair

Tue, Sep 1 - Sat, Oct 31

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

3:40 pm - 2:40 pm

SEA

LGW

15h 00m

1 stop

$608Icelandair

Fri, Sep 4 - Fri, Sep 18

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

7:00 pm - 2:35 pm

SEA

LGW

11h 35m

1 stop

$609Icelandair

Thu, Oct 8 - Sat, Oct 17

1:00 pm - 5:55 pm

LGW

SEA

12h 55m

1 stop

3:35 pm - 10:55 am

SEA

LGW

12h 20m

1 stop

$611Icelandair

Tue, Sep 1 - Sat, Oct 31

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

7:00 pm - 2:40 pm

SEA

LGW

11h 40m

1 stop

$612Icelandair

Sat, Sep 26 - Thu, Oct 22

11:55 am - 5:00 pm

LGW

SEA

13h 05m

1 stop

2:35 pm - 10:55 am

SEA

LGW

12h 20m

1 stop

$613Icelandair

Thu, Dec 24 - Mon, Dec 28

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

7:00 pm - 2:40 pm

SEA

LGW

11h 40m

1 stop

$614Icelandair

Fri, Sep 4 - Sat, Sep 19

1:00 pm - 8:40 pm

LGW

SEA

15h 40m

1 stop

3:40 pm - 2:40 pm

SEA

LGW

15h 00m

1 stop

$615Icelandair

Thu, Aug 27 - Wed, Sep 9

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

7:00 pm - 2:40 pm

SEA

LGW

11h 40m

1 stop

$616Icelandair

Fri, Oct 9 - Sat, Oct 17

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

7:00 pm - 2:35 pm

SEA

LGW

11h 35m

1 stop

$617Icelandair

Fri, Oct 9 - Sat, Oct 17

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Icelandair flights from London Gatwick Airport to Seattle

Our best Icelandair deals on London Gatwick Airport to Seattle flight tickets

Icelandair

Sep 1

LGW1:00 pmLondon Gatwick

12h 55m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Oct 31

SEA3:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

LGW10:55 amLondon Gatwick

$607

Icelandair

Sep 4

LGW3:40 pmLondon Gatwick

13h 00m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Sep 18

SEA3:40 pmSeattle/Tacoma Intl

15h 00m

1 stop

LGW2:40 pmLondon Gatwick

$608

Icelandair

Oct 8

LGW3:40 pmLondon Gatwick

13h 00m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Oct 17

SEA7:00 pmSeattle/Tacoma Intl

11h 35m

1 stop

LGW2:35 pmLondon Gatwick

$609

Air France flights from London Gatwick Airport to Seattle

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

Air France

Jul 24

LGW10:25 amLondon Gatwick

15h 02m

1 stop

SEA5:27 pmSeattle/Tacoma Intl

Jul 29

SEA1:30 pmSeattle/Tacoma Intl

11h 55m

1 stop

LGW9:25 amLondon Gatwick

$874

Air France

Jul 20

LGW10:25 amLondon Gatwick

15h 02m

1 stop

SEA5:27 pmSeattle/Tacoma Intl

Aug 3

SEA6:40 pmSeattle/Tacoma Intl

13h 20m

1 stop

LGW4:00 pmLondon Gatwick

$895

Air France

Jul 22

LGW10:25 amLondon Gatwick

15h 02m

1 stop

SEA5:27 pmSeattle/Tacoma Intl

Jul 29

SEA1:30 pmSeattle/Tacoma Intl

11h 55m

1 stop

LGW9:25 amLondon Gatwick

$904

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 - SEA

LGWSEA

London Gatwick

Tue 9/1

1:00 pm-5:55 pm

1 stop12h 55m

Seattle/Tacoma Intl

Sat 10/31

3:35 pm-10:55 am

1 stop12h 20m

$607

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 9/4

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Fri 9/18

3:40 pm-2:40 pm

1 stop15h 00m

$608

Quickest round-trip

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 10/8

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sat 10/17

7:00 pm-2:35 pm

1 stop11h 35m

$609

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 9/1

1:00 pm-5:55 pm

1 stop12h 55m

Seattle/Tacoma Intl

Sat 10/31

3:35 pm-10:55 am

1 stop12h 20m

$611

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 9/26

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Thu 10/22

7:00 pm-2:40 pm

1 stop11h 40m

$612

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 12/24

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 12/28

2:35 pm-10:55 am

1 stop12h 20m

$613

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 9/4

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sat 9/19

7:00 pm-2:40 pm

1 stop11h 40m

$614

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 8/27

1:00 pm-8:40 pm

1 stop15h 40m

Seattle/Tacoma Intl

Wed 9/9

3:40 pm-2:40 pm

1 stop15h 00m

$615

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 10/9

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sat 10/17

7:00 pm-2:40 pm

1 stop11h 40m

$616

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 10/9

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sat 10/17

7:00 pm-2:35 pm

1 stop11h 35m

$617

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?

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 $848. 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 $969.

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 $841 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $886. 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 5% 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

Fastest flight time	12h 55m
Direct flights	None

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

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Federal Way

Cle Elum

Marysville

Fife

Centralia

Kirkland

Shoreline

Lacey

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.