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Cheap flights from London Stansted Airport to Seattle from £385

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Stansted Airport to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:45 - 17:00STN  London Stansted-SEA Seattle/Tacoma Intl
18h 15m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
14:35 - 21:55SEA  Seattle/Tacoma Intl-STN London Stansted
23h 20m2 stops Reykjavik Keflavik Intl Dublin
£506Multiple Airlines
Thu, 5 Nov - Mon, 9 Nov
Multiple Airlines Logo
07:15 - 17:00STN  London Stansted-SEA Seattle/Tacoma Intl
17h 45m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
14:35 - 23:20SEA  Seattle/Tacoma Intl-STN London Stansted
24h 45m2 stops Reykjavik Keflavik Intl Dublin
£523Multiple Airlines
Wed, 2 Dec - Wed, 9 Dec
Multiple Airlines Logo
06:05 - 15:55STN  London Stansted-SEA Seattle/Tacoma Intl
17h 50m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
17:50 - 21:30SEA  Seattle/Tacoma Intl-STN London Stansted
19h 40m2 stops Frankfurt am Main Vienna Intl
£527Multiple Airlines
Mon, 1 Feb - Mon, 8 Feb
Multiple Airlines Logo
07:20 - 17:00STN  London Stansted-SEA Seattle/Tacoma Intl
17h 40m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
14:35 - 23:45SEA  Seattle/Tacoma Intl-STN London Stansted
25h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
£558Multiple Airlines
Thu, 3 Dec - Wed, 9 Dec
Multiple Airlines Logo
08:15 - 17:00STN  London Stansted-SEA Seattle/Tacoma Intl
16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
14:35 - 18:05SEA  Seattle/Tacoma Intl-STN London Stansted
19h 30m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
£559Multiple Airlines
Tue, 12 Jan - Tue, 26 Jan
Multiple Airlines Logo
08:15 - 17:00STN  London Stansted-SEA Seattle/Tacoma Intl
16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
14:35 - 18:00SEA  Seattle/Tacoma Intl-STN London Stansted
19h 25m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
£563Multiple Airlines
Wed, 11 Nov - Mon, 16 Nov
Multiple Airlines Logo
17:55 - 15:55STN  London Stansted-SEA Seattle/Tacoma Intl
30h 00m2 stops Milan Malpensa Frankfurt am Main
Multiple Airlines Logo
16:15 - 18:15SEA  Seattle/Tacoma Intl-STN London Stansted
18h 00m2 stops Frankfurt am Main Milan Malpensa
£574Multiple Airlines
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
06:05 - 15:55STN  London Stansted-SEA Seattle/Tacoma Intl
17h 50m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
17:50 - 21:30SEA  Seattle/Tacoma Intl-STN London Stansted
19h 40m2 stops Frankfurt am Main Vienna Intl
£581Multiple Airlines
Mon, 8 Feb - Mon, 15 Feb
Multiple Airlines Logo
07:15 - 17:00STN  London Stansted-SEA Seattle/Tacoma Intl
17h 45m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
14:35 - 20:15SEA  Seattle/Tacoma Intl-STN London Stansted
21h 40m2 stops Reykjavik Keflavik Intl Dublin
£585Multiple Airlines
Wed, 11 Nov - Mon, 16 Nov
Multiple Airlines Logo
07:20 - 17:00STN  London Stansted-SEA Seattle/Tacoma Intl
17h 40m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
14:35 - 23:45SEA  Seattle/Tacoma Intl-STN London Stansted
25h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
£587Multiple Airlines
Thu, 3 Dec - Wed, 9 Dec

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Turkish Airlines flights from London Stansted Airport to Seattle

Our best Turkish Airlines deals on London Stansted Airport to Seattle flight tickets
Turkish Airlines
2 Nov
STN10:55London Stansted
44h 12m
2 stops
SEA23:07Seattle/Tacoma Intl
12 Nov
SEA10:50Seattle/Tacoma Intl
39h 05m
2 stops
STN09:55London Stansted
£714
Turkish Airlines
2 Nov
STN10:55London Stansted
44h 12m
2 stops
SEA23:07Seattle/Tacoma Intl
7 Nov
SEA10:50Seattle/Tacoma Intl
39h 05m
2 stops
STN09:55London Stansted
£746
Turkish Airlines
5 Nov
STN17:20London Stansted
38h 00m
2 stops
SEA23:20Seattle/Tacoma Intl
21 Nov
SEA19:05Seattle/Tacoma Intl
30h 50m
1 stop
STN09:55London Stansted
£759

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 5/11

06:45-17:00

2 stops18h 15m

Seattle/Tacoma Intl

Mon 9/11

14:35-21:55

2 stops23h 20m

£506

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 2/12

07:15-17:00

2 stops17h 45m

Seattle/Tacoma Intl

Wed 9/12

14:35-23:20

2 stops24h 45m

£523

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 1/2

06:05-15:55

2 stops17h 50m

Seattle/Tacoma Intl

Mon 8/2

17:50-21:30

2 stops19h 40m

£527

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 3/12

07:20-17:00

2 stops17h 40m

Seattle/Tacoma Intl

Wed 9/12

14:35-23:45

2 stops25h 10m

£558

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 12/1

08:15-17:00

2 stops16h 45m

Seattle/Tacoma Intl

Tue 26/1

14:35-18:05

2 stops19h 30m

£559
Fastest return journey

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 11/11

08:15-17:00

2 stops16h 45m

Seattle/Tacoma Intl

Mon 16/11

14:35-18:00

2 stops19h 25m

£563

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 4/11

17:55-15:55

2 stops30h 00m

Seattle/Tacoma Intl

Sun 8/11

16:15-18:15

2 stops18h 00m

£574

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 8/2

06:05-15:55

2 stops17h 50m

Seattle/Tacoma Intl

Mon 15/2

17:50-21:30

2 stops19h 40m

£581

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 11/11

07:15-17:00

2 stops17h 45m

Seattle/Tacoma Intl

Mon 16/11

14:35-20:15

2 stops21h 40m

£585

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 3/12

07:20-17:00

2 stops17h 40m

Seattle/Tacoma Intl

Wed 9/12

14:35-23:45

2 stops25h 10m

£587

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from London Stansted 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

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

According to our data, Thursday is the cheapest day to fly to Seattle from London Stansted Airport. The lowest ticket price found for a Thursday departure recently was £592. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Monday is £649.

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

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from London Stansted Airport to Seattle at midday for as low as £540. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £638.

When to book flights from London Stansted Airport to Seattle

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

Cheap London Stansted Airport to Seattle (STN to SEA) flight deals and tips

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

Best price found

£385

Fastest flight time

16h 45m

Direct flights

None
The best one-way flight to Seattle from London Stansted Airport in the past 72 hours is £385. The best return flight deal from London Stansted Airport to Seattle found on momondo in the last 72 hours is £506.
The fastest flight from London Stansted Airport to Seattle takes 16h 45m
There are no direct flights from London Stansted Airport to Seattle. There are no popular flight routes from London Stansted Airport to Seattle.
Search flight deals

Frequently asked questions about flying from London Stansted Airport to Seattle

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

    A flight from London Stansted to Seattle/Tacoma Intl will travel around 4769.5 mi. Flights usually cover this in 16h 45m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Stansted Airport to Seattle/Tacoma Intl Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Stansted Airport to Seattle/Tacoma Intl Airport.

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

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Westport
Kirkland
Fife
SeaTac
Ashford
Tacoma
Kent
Tukwila

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Seattle. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between London and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from London to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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