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

SWISS, WestJet, 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.

$511 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 $844 to $692. The lowest price recently found on this route was $693.

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.

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

2:35 pm - 10:55 am

SEA

LGW

12h 20m

1 stop

$693Icelandair

Fri, Sep 25 - Sun, Feb 28

3:40 pm - 8:40 pm

LGW

SEA

13h 00m

1 stop

2:35 pm - 10:55 am

SEA

LGW

12h 20m

1 stop

$694Icelandair

Fri, Sep 25 - Fri, Mar 12

10:25 am - 11:20 pm

LGW

SEA

20h 55m

2 stops

1:30 pm - 4:00 pm

SEA

LGW

18h 30m

1 stop

$695Virgin Atlantic

Fri, Sep 4 - Thu, Sep 10

1:00 pm - 8:40 pm

LGW

SEA

15h 40m

1 stop

7:00 pm - 2:40 pm

SEA

LGW

11h 40m

1 stop

$696Icelandair

Tue, Jul 7 - Thu, Jul 23

1:00 pm - 5:55 pm

LGW

SEA

12h 55m

1 stop

7:00 pm - 11:45 am

SEA

LGW

32h 45m

1 stop

$697Icelandair

Tue, Jul 7 - Tue, Jul 14

5:00 pm - 11:15 am

LGW

SEA

26h 15m

1 stop

1:30 pm - 9:25 am

SEA

LGW

11h 55m

1 stop

$698Virgin Atlantic

Wed, Jul 22 - Thu, Aug 6

4:45 pm - 10:55 am

LGW

SEA

26h 10m

2 stops

2:05 pm - 3:45 pm

SEA

LGW

17h 40m

1 stop

$700Virgin Atlantic

Sat, Nov 7 - Mon, Dec 7

3:40 pm - 11:45 am

LGW

SEA

28h 05m

1 stop

3:40 pm - 2:40 pm

SEA

LGW

15h 00m

1 stop

$701Icelandair

Tue, Jun 30 - Mon, Jul 13

10:25 am - 5:27 pm

LGW

SEA

15h 02m

1 stop

1:30 pm - 9:25 am

SEA

LGW

11h 55m

1 stop

$702Delta

Thu, Jul 16 - Thu, Jul 30

10:25 am - 5:27 pm

LGW

SEA

15h 02m

1 stop

6:35 pm - 4:00 pm

SEA

LGW

13h 25m

1 stop

$703Multiple Airlines

Thu, Jul 9 - Wed, Jul 29

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Virgin Atlantic flights from London Gatwick Airport to Seattle

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

Virgin Atlantic

Sep 4

LGW10:25 amLondon Gatwick

20h 55m

2 stops

SEA11:20 pmSeattle/Tacoma Intl

Sep 10

SEA1:30 pmSeattle/Tacoma Intl

18h 30m

1 stop

LGW4:00 pmLondon Gatwick

$695

Virgin Atlantic

Jul 22

LGW5:00 pmLondon Gatwick

26h 15m

1 stop

SEA11:15 amSeattle/Tacoma Intl

Aug 6

SEA1:30 pmSeattle/Tacoma Intl

11h 55m

1 stop

LGW9:25 amLondon Gatwick

$698

Virgin Atlantic

Nov 7

LGW4:45 pmLondon Gatwick

26h 10m

2 stops

SEA10:55 amSeattle/Tacoma Intl

Dec 7

SEA2:05 pmSeattle/Tacoma Intl

17h 40m

1 stop

LGW3:45 pmLondon Gatwick

$700

Icelandair flights from London Gatwick Airport to Seattle

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

Icelandair

Sep 25

LGW3:40 pmLondon Gatwick

13h 00m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Mar 9

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

LGW10:55 amLondon Gatwick

$693

Icelandair

Jun 26

LGW3:40 pmLondon Gatwick

28h 05m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Jul 9

SEA11:25 pmSeattle/Tacoma Intl

31h 15m

1 stop

LGW2:40 pmLondon Gatwick

$694

Icelandair

Jul 7

LGW1:00 pmLondon Gatwick

15h 40m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Jul 24

SEA7:00 pmSeattle/Tacoma Intl

11h 40m

1 stop

LGW2:40 pmLondon Gatwick

$696

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

Quickest round-trip

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 9/25

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sun 2/28

2:35 pm-10:55 am

1 stop12h 20m

$693

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 9/25

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Fri 3/12

2:35 pm-10:55 am

1 stop12h 20m

$694

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 9/4

10:25 am-11:20 pm

2 stops20h 55m

Seattle/Tacoma Intl

Thu 9/10

1:30 pm-4:00 pm

1 stop18h 30m

$695

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 7/7

1:00 pm-8:40 pm

1 stop15h 40m

Seattle/Tacoma Intl

Thu 7/23

7:00 pm-2:40 pm

1 stop11h 40m

$696

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 7/7

1:00 pm-5:55 pm

1 stop12h 55m

Seattle/Tacoma Intl

Tue 7/14

7:00 pm-11:45 am

1 stop32h 45m

$697

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 7/22

5:00 pm-11:15 am

1 stop26h 15m

Seattle/Tacoma Intl

Thu 8/6

1:30 pm-9:25 am

1 stop11h 55m

$698

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 11/7

4:45 pm-10:55 am

2 stops26h 10m

Seattle/Tacoma Intl

Mon 12/7

2:05 pm-3:45 pm

1 stop17h 40m

$700

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 6/30

3:40 pm-11:45 am

1 stop28h 05m

Seattle/Tacoma Intl

Mon 7/13

3:40 pm-2:40 pm

1 stop15h 00m

$701

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 7/16

10:25 am-5:27 pm

1 stop15h 02m

Seattle/Tacoma Intl

Thu 7/30

1:30 pm-9:25 am

1 stop11h 55m

$702

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 7/9

10:25 am-5:27 pm

1 stop15h 02m

Seattle/Tacoma Intl

Wed 7/29

6:35 pm-4:00 pm

1 stop13h 25m

$703

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 Sunday. momondo users have found tickets for Sunday departures for as low as $862. 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 $855 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $923. 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 9% 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	13h 00m
Direct flights	None

The fastest flight from London Gatwick Airport to Seattle takes 13h 00m

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 13h 00m 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

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

Kirkland

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.