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Cheap flights from Seattle to London from C$ 466

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 p.m. - 10:55 a.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 a.m. - 5:00 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
C$ 1,040Icelandair
Thu, 11 Feb - Sun, 21 Feb
Icelandair Logo
7:00 p.m. - 2:40 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 p.m. - 8:40 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
C$ 1,047Icelandair
Fri, 16 Apr - Sat, 24 Apr
Icelandair Logo
3:40 p.m. - 2:40 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 p.m. - 8:40 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
C$ 1,060Icelandair
Sat, 3 Apr - Fri, 16 Apr
Icelandair Logo
3:40 p.m. - 2:40 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 p.m. - 8:40 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
C$ 1,060Icelandair
Sat, 3 Apr - Wed, 21 Apr
Icelandair Logo
3:40 p.m. - 2:40 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 p.m. - 5:55 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
34h 15m1 stop Reykjavik Keflavik Intl
C$ 1,061Icelandair
Sat, 3 Apr - Tue, 20 Apr
Icelandair Logo
3:40 p.m. - 2:40 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 p.m. - 5:55 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
34h 15m1 stop Reykjavik Keflavik Intl
C$ 1,061Icelandair
Sat, 3 Apr - Thu, 15 Apr
Icelandair Logo
2:35 p.m. - 10:55 a.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 a.m. - 5:00 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
C$ 1,078Icelandair
Wed, 17 Feb - Sun, 21 Feb
Icelandair Logo
3:40 p.m. - 2:40 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 p.m. - 8:40 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
C$ 1,085Icelandair
Tue, 20 Apr - Sat, 24 Apr
Multiple Airlines Logo
2:50 p.m. - 9:45 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
22h 55m2 stops Munich Franz Josef Strauss Kastrup Copenhagen
Multiple Airlines Logo
7:30 p.m. - 1:00 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
25h 30m2 stops Kastrup Copenhagen Munich Franz Josef Strauss
C$ 1,096Multiple Airlines
Wed, 18 Nov - Tue, 24 Nov
Icelandair Logo
7:00 p.m. - 2:40 p.m.SEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 p.m. - 8:40 p.m.LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
C$ 1,117Icelandair
Fri, 2 Apr - Fri, 16 Apr

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Delta flights from Seattle to London Gatwick Airport

Our best Delta deals on Seattle to London Gatwick Airport flight tickets
Delta
30 Nov
SEA3:25 p.m.Seattle/Tacoma Intl
16h 20m
1 stop
LGW3:45 p.m.London Gatwick
9 Dec
LGW10:00 a.m.London Gatwick
13h 13m
1 stop
SEA3:13 p.m.Seattle/Tacoma Intl
C$ 1,151
Delta
1 Dec
SEA4:05 p.m.Seattle/Tacoma Intl
15h 40m
1 stop
LGW3:45 p.m.London Gatwick
11 Dec
LGW10:00 a.m.London Gatwick
13h 13m
1 stop
SEA3:13 p.m.Seattle/Tacoma Intl
C$ 1,152
Delta
3 Feb
SEA3:30 p.m.Seattle/Tacoma Intl
16h 15m
1 stop
LGW3:45 p.m.London Gatwick
17 Feb
LGW10:00 a.m.London Gatwick
13h 03m
1 stop
SEA3:03 p.m.Seattle/Tacoma Intl
C$ 1,163

Virgin Atlantic flights from Seattle to London Gatwick Airport

Our best Virgin Atlantic deals on Seattle to London Gatwick Airport flight tickets
Virgin Atlantic
2 Dec
SEA8:25 a.m.Seattle/Tacoma Intl
23h 20m
2 stops
LGW3:45 p.m.London Gatwick
9 Dec
LGW10:00 a.m.London Gatwick
13h 13m
1 stop
SEA3:13 p.m.Seattle/Tacoma Intl
C$ 1,158
Virgin Atlantic
30 Nov
SEA3:25 p.m.Seattle/Tacoma Intl
16h 20m
1 stop
LGW3:45 p.m.London Gatwick
9 Dec
LGW10:00 a.m.London Gatwick
21h 55m
2 stops
SEA11:55 p.m.Seattle/Tacoma Intl
C$ 1,166
Virgin Atlantic
1 Dec
SEA4:05 p.m.Seattle/Tacoma Intl
15h 40m
1 stop
LGW3:45 p.m.London Gatwick
11 Dec
LGW10:00 a.m.London Gatwick
20h 55m
2 stops
SEA10:55 p.m.Seattle/Tacoma Intl
C$ 1,167

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 11/2

2:35 p.m.-10:55 a.m.

1 stop12h 20m

London Gatwick

Sun 21/2

11:55 a.m.-5:00 p.m.

1 stop13h 05m

C$ 1,040
Quickest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 16/4

7:00 p.m.-2:40 p.m.

1 stop11h 40m

London Gatwick

Sat 24/4

3:40 p.m.-8:40 p.m.

1 stop13h 00m

C$ 1,047

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 3/4

3:40 p.m.-2:40 p.m.

1 stop15h 00m

London Gatwick

Fri 16/4

3:40 p.m.-8:40 p.m.

1 stop13h 00m

C$ 1,060

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 3/4

3:40 p.m.-2:40 p.m.

1 stop15h 00m

London Gatwick

Wed 21/4

3:40 p.m.-8:40 p.m.

1 stop13h 00m

C$ 1,060

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 3/4

3:40 p.m.-2:40 p.m.

1 stop15h 00m

London Gatwick

Tue 20/4

3:40 p.m.-5:55 p.m.

1 stop34h 15m

C$ 1,061

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 3/4

3:40 p.m.-2:40 p.m.

1 stop15h 00m

London Gatwick

Thu 15/4

3:40 p.m.-5:55 p.m.

1 stop34h 15m

C$ 1,061

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 17/2

2:35 p.m.-10:55 a.m.

1 stop12h 20m

London Gatwick

Sun 21/2

11:55 a.m.-5:00 p.m.

1 stop13h 05m

C$ 1,078

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 20/4

3:40 p.m.-2:40 p.m.

1 stop15h 00m

London Gatwick

Sat 24/4

3:40 p.m.-8:40 p.m.

1 stop13h 00m

C$ 1,085

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 18/11

2:50 p.m.-9:45 p.m.

2 stops22h 55m

London Gatwick

Tue 24/11

7:30 p.m.-1:00 p.m.

2 stops25h 30m

C$ 1,096

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 2/4

7:00 p.m.-2:40 p.m.

1 stop11h 40m

London Gatwick

Fri 16/4

3:40 p.m.-8:40 p.m.

1 stop13h 00m

C$ 1,117

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Seattle to London Gatwick Airport

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

What is the cheapest month to fly to London Gatwick Airport?

If you are unable to visit London Gatwick Airport during the month of December, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around C$ 0.

When to book flights from Seattle to London Gatwick Airport

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

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

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

Best price found

C$ 466

Fastest flight time

18h 30m

Direct flights

None
The best one-way flight to London Gatwick Airport from Seattle in the past 72 hours is C$ 466. The best round-trip flight deal from Seattle to London Gatwick Airport found on momondo in the last 72 hours is C$ 1,040.
The fastest flight from Seattle to London Gatwick Airport takes 18h 30m
There are no direct flights from Seattle to London Gatwick Airport. There are no popular flight routes from Seattle to London Gatwick Airport.
Search flight deals

Frequently asked questions about flying from Seattle to London Gatwick Airport

  • How far is Seattle/Tacoma Intl to London Gatwick by plane?

    Seattle/Tacoma Intl and London Gatwick are 7722.7 km apart from one another. A reasonable flight in good conditions will take 18h 30m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to London Gatwick Airport are updated daily.

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

    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 Seattle/Tacoma Intl Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Gatwick
Wembley
Crawley
Staines-upon-Thames
Eastbourne
Slough
Wokingham
Banbury
Ramsgate
Cobham
Watford
Feltham
Waterlooville
Dartford
Ipswich
Woking
Basingstoke
Ilford

Why use momondo?

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

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 Seattle to London for you.

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

All flight searches from Seattle to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Seattle and alert you when they change.

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