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Cheap flights from Seattle to London from $330

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.
Multiple Airlines Logo
2:35 pm - 3:50 pmSEA  Seattle/Tacoma Intl-STN London Stansted
17h 15m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:15 am - 5:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
17h 45m2 stops Dublin Reykjavik Keflavik Intl
$740Multiple Airlines
Tue, Nov 17 - Tue, Nov 24
Multiple Airlines Logo
2:35 pm - 3:50 pmSEA  Seattle/Tacoma Intl-STN London Stansted
17h 15m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:15 am - 5:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
17h 45m2 stops Dublin Reykjavik Keflavik Intl
$741Multiple Airlines
Tue, Nov 17 - Tue, Nov 24
Multiple Airlines Logo
7:45 am - 3:15 pmSEA  Seattle/Tacoma Intl-STN London Stansted
23h 30m3 stops Toronto Pearson Intl Frankfurt am Main Stockholm Arlanda
Multiple Airlines Logo
8:25 am - 12:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
35h 35m2 stops Stockholm Arlanda Frankfurt am Main
$751Multiple Airlines
Fri, Nov 13 - Fri, Nov 20
Multiple Airlines Logo
2:35 pm - 11:20 pmSEA  Seattle/Tacoma Intl-STN London Stansted
24h 45m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:15 am - 5:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
17h 45m2 stops Dublin Reykjavik Keflavik Intl
$757Multiple Airlines
Wed, Jan 27 - Wed, Feb 3
Multiple Airlines Logo
2:35 pm - 11:45 pmSEA  Seattle/Tacoma Intl-STN London Stansted
25h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
Multiple Airlines Logo
8:15 am - 5:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$758Multiple Airlines
Wed, Nov 25 - Tue, Dec 1
Multiple Airlines Logo
2:35 pm - 9:55 pmSEA  Seattle/Tacoma Intl-STN London Stansted
23h 20m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
10:35 pm - 5:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
26h 25m2 stops Dublin Reykjavik Keflavik Intl
$760Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Multiple Airlines Logo
2:35 pm - 9:35 pmSEA  Seattle/Tacoma Intl-STN London Stansted
23h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
Multiple Airlines Logo
7:55 am - 5:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
17h 05m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
$763Multiple Airlines
Sun, Jan 24 - Sat, Jan 30
Multiple Airlines Logo
1:50 pm - 5:50 pmSEA  Seattle/Tacoma Intl-STN London Stansted
20h 00m2 stops Frankfurt am Main Kastrup Copenhagen
Multiple Airlines Logo
6:50 pm - 12:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
25h 10m2 stops Kastrup Copenhagen Frankfurt am Main
$767Multiple Airlines
Mon, Nov 16 - Tue, Nov 24
Multiple Airlines Logo
8:40 am - 3:15 pmSEA  Seattle/Tacoma Intl-STN London Stansted
22h 35m3 stops Vancouver Intl Frankfurt am Main Stockholm Arlanda
Multiple Airlines Logo
8:25 am - 12:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
35h 35m2 stops Stockholm Arlanda Frankfurt am Main
$772Multiple Airlines
Fri, Dec 4 - Fri, Dec 11
Multiple Airlines Logo
2:35 pm - 6:05 pmSEA  Seattle/Tacoma Intl-STN London Stansted
19h 30m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
Multiple Airlines Logo
8:15 am - 5:00 pmSTN  London Stansted-SEA Seattle/Tacoma Intl
16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$773Multiple Airlines
Tue, Dec 1 - Tue, Dec 8

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Turkish Airlines flights from Seattle to London Stansted Airport

Our best Turkish Airlines deals on Seattle to London Stansted Airport flight tickets
Turkish Airlines
Nov 6
SEA8:05 pmSeattle/Tacoma Intl
29h 50m
1 stop
STN9:55 amLondon Stansted
Nov 18
STN10:55 amLondon Stansted
38h 15m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$938
Turkish Airlines
Nov 7
SEA8:05 pmSeattle/Tacoma Intl
29h 50m
1 stop
STN9:55 amLondon Stansted
Nov 13
STN5:20 pmLondon Stansted
31h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$958
Turkish Airlines
Nov 9
SEA7:05 pmSeattle/Tacoma Intl
30h 50m
1 stop
STN9:55 amLondon Stansted
Nov 20
STN5:20 pmLondon Stansted
31h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$964

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Tue 11/17

2:35 pm-3:50 pm

2 stops17h 15m

London Stansted

Tue 11/24

7:15 am-5:00 pm

2 stops17h 45m

$740

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Tue 11/17

2:35 pm-3:50 pm

2 stops17h 15m

London Stansted

Tue 11/24

7:15 am-5:00 pm

2 stops17h 45m

$741

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Fri 11/13

7:45 am-3:15 pm

3 stops23h 30m

London Stansted

Fri 11/20

8:25 am-12:00 pm

2 stops35h 35m

$751

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Wed 1/27

2:35 pm-11:20 pm

2 stops24h 45m

London Stansted

Wed 2/3

7:15 am-5:00 pm

2 stops17h 45m

$757

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Wed 11/25

2:35 pm-11:45 pm

2 stops25h 10m

London Stansted

Tue 12/1

8:15 am-5:00 pm

2 stops16h 45m

$758

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-9:55 pm

2 stops23h 20m

London Stansted

Mon 11/30

10:35 pm-5:00 pm

2 stops26h 25m

$760

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Sun 1/24

2:35 pm-9:35 pm

2 stops23h 00m

London Stansted

Sat 1/30

7:55 am-5:00 pm

2 stops17h 05m

$763

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Mon 11/16

1:50 pm-5:50 pm

2 stops20h 00m

London Stansted

Tue 11/24

6:50 pm-12:00 pm

2 stops25h 10m

$767

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Fri 12/4

8:40 am-3:15 pm

3 stops22h 35m

London Stansted

Fri 12/11

8:25 am-12:00 pm

2 stops35h 35m

$772

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Tue 12/1

2:35 pm-6:05 pm

2 stops19h 30m

London Stansted

Tue 12/8

8:15 am-5:00 pm

2 stops16h 45m

$773

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 Stansted 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 airline that flies from Seattle/Tacoma Intl to London Stansted?

Turkish Airlines is the most popular carrier operating from Seattle/Tacoma Intl to London Stansted

When to book flights from Seattle to London Stansted Airport

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

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

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

Best Price Found

$330

Fastest flight time

17h 20m

Direct flights

None
The best one-way flight to London Stansted Airport from Seattle in the past 72 hours is $330. The best round-trip flight deal from Seattle to London Stansted Airport found on momondo in the last 72 hours is $740.
The fastest flight from Seattle to London Stansted Airport takes 17h 20m
There are no direct flights from Seattle to London Stansted Airport. There are no popular flight routes from Seattle to London Stansted Airport.
Search flight deals

Frequently asked questions about flying from Seattle to London Stansted Airport

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

    There are 4769.5 mi between Seattle/Tacoma Intl and London Stansted. Flights usually cover this in 17h 20m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Stansted Airport.

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

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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Hayes
Milton Keynes
Luton
Stansted
Kingston upon Thames
Dover
Wembley
Watford
Richmond
Crawley
Worthing
Harrow
Brentford
Hook
Slough
Canterbury
Dunstable

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seattle.

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 you have performed a search for Seattle to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to London from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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