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?

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 Stansted Airport.

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

The required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£212 Cheap Flights from Seattle to London Stansted Airport in 2026

Find the cheapest flights from Seattle to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:55 - 12:40

SEA

STN

12h 45m

1 stop

08:35 - 13:45

STN

SEA

13h 10m

1 stop

£480Multiple Airlines

Fri, 25 Sep - Sat, 3 Oct

15:55 - 14:35

SEA

STN

14h 40m

1 stop

07:10 - 22:49

STN

SEA

23h 39m

2 stops

£490Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

15:55 - 14:35

SEA

STN

14h 40m

1 stop

07:10 - 13:45

STN

SEA

14h 35m

1 stop

£491Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

08:00 - 20:35

SEA

STN

28h 35m

2 stops

08:15 - 11:55

STN

SEA

35h 40m

2 stops

£494Multiple Airlines

Tue, 18 Aug - Thu, 20 Aug

15:55 - 14:35

SEA

STN

14h 40m

1 stop

07:10 - 13:45

STN

SEA

14h 35m

1 stop

£497Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

15:55 - 15:40

SEA

STN

15h 45m

1 stop

07:05 - 13:45

STN

SEA

14h 40m

1 stop

£500Multiple Airlines

Sun, 13 Sep - Sun, 20 Sep

08:00 - 18:50

SEA

STN

26h 50m

2 stops

19:15 - 21:07

STN

SEA

33h 52m

3 stops

£500Multiple Airlines

Mon, 17 Aug - Mon, 24 Aug

05:40 - 16:50

SEA

STN

27h 10m

3 stops

21:40 - 14:00

STN

SEA

24h 20m

2 stops

£504Multiple Airlines

Mon, 19 Oct - Sat, 24 Oct

08:00 - 16:50

SEA

STN

24h 50m

2 stops

21:40 - 14:00

STN

SEA

24h 20m

2 stops

£505Multiple Airlines

Mon, 19 Oct - Sat, 24 Oct

18:50 - 00:10

SEA

STN

21h 20m

2 stops

07:10 - 22:42

STN

SEA

23h 32m

3 stops

£506Multiple Airlines

Tue, 13 Oct - Tue, 20 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Turkish Airlines flights from Seattle to London Stansted Airport

Our best Turkish Airlines deals on Seattle to London Stansted Airport flight tickets

Turkish Airlines

10 Aug

SEA12:35Seattle/Tacoma Intl

25h 35m

1 stop

STN22:10London Stansted

9 Sept

STN06:55London Stansted

18h 25m

1 stop

SEA17:20Seattle/Tacoma Intl

£796

Turkish Airlines

3 Aug

SEA12:35Seattle/Tacoma Intl

25h 35m

1 stop

STN22:10London Stansted

19 Aug

STN06:55London Stansted

18h 25m

1 stop

SEA17:20Seattle/Tacoma Intl

£878

Turkish Airlines

3 Aug

SEA12:35Seattle/Tacoma Intl

25h 35m

1 stop

STN22:10London Stansted

19 Aug

STN06:55London Stansted

18h 25m

1 stop

SEA17:20Seattle/Tacoma Intl

£878

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 25/9

15:55-12:40

1 stop12h 45m

London Stansted

Sat 3/10

08:35-13:45

1 stop13h 10m

£480

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 6/10

15:55-14:35

1 stop14h 40m

London Stansted

Tue 13/10

07:10-22:49

2 stops23h 39m

£490

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 8/9

15:55-14:35

1 stop14h 40m

London Stansted

Tue 15/9

07:10-13:45

1 stop14h 35m

£491

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 18/8

08:00-20:35

2 stops28h 35m

London Stansted

Thu 20/8

08:15-11:55

2 stops35h 40m

£494

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 8/9

15:55-14:35

1 stop14h 40m

London Stansted

Tue 15/9

07:10-13:45

1 stop14h 35m

£497

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 13/9

15:55-15:40

1 stop15h 45m

London Stansted

Sun 20/9

07:05-13:45

1 stop14h 40m

£500

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 17/8

08:00-18:50

2 stops26h 50m

London Stansted

Mon 24/8

19:15-21:07

3 stops33h 52m

£500

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 19/10

05:40-16:50

3 stops27h 10m

London Stansted

Sat 24/10

21:40-14:00

2 stops24h 20m

£504

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 19/10

08:00-16:50

2 stops24h 50m

London Stansted

Sat 24/10

21:40-14:00

2 stops24h 20m

£505

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 13/10

18:50-00:10

2 stops21h 20m

London Stansted

Tue 20/10

07:10-22:42

3 stops23h 32m

£506

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

Lufthansa and Turkish Airlines are the most popular carriers 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 return 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

Fastest flight time	14h 40m
Direct flights	None

The fastest flight from Seattle to London Stansted Airport takes 14h 40m

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?
The straight-line distance from Seattle/Tacoma Intl to London Stansted is 4769.5 mi. 14h 40m is a normal flight duration for this route.
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?
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 Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

Wembley

Gatwick

Milton Keynes

Luton

Southend-on-Sea

Slough

Ipswich

Maidstone

Folkestone

Ilford

Hastings

Canterbury

Guildford

Chichester

Bedford

Hayes

Colchester

Harlow

Chelmsford

Why use momondo?

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

Finding the right flight to London from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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?

Yes. momondo can track prices for Seattle to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.