How long does it take to fly to London Stansted Airport?

The flight from State of Washington to London Stansted Airport depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to London Heathrow Airport (the most popular airport in London Stansted Airport), then the flight time is 9h 15m on average. If you fly from Bellingham (another popular airport in State of Washington) to London Heathrow Airport, then the average flight time is 11h 46m.

When did momondo last update prices for flights from Washington to London Stansted Airport?

Prices for flights from Washington to London Stansted Airport are updated daily.

How old do you have to be to fly from Washington to London Stansted 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 Washington to London Stansted Airport.

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

The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$297 Cheap Flights from State of Washington to London Stansted Airport in 2026

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3:40 pm - 11:50 pm

SEA

STN

24h 10m

3 stops

6:35 am - 9:40 am

STN

SEA

35h 05m

3 stops

$650Multiple Airlines

Tue, Apr 21 - Sat, May 9

7:00 pm - 12:30 am

SEA

STN

21h 30m

2 stops

5:35 pm - 8:40 pm

STN

SEA

35h 05m

2 stops

$651Multiple Airlines

Thu, May 7 - Thu, May 14

3:40 pm - 12:50 am

SEA

STN

25h 10m

3 stops

6:30 am - 10:05 am

STN

SEA

35h 35m

3 stops

$658Multiple Airlines

Sun, Apr 26 - Tue, May 5

3:40 pm - 12:30 am

SEA

STN

24h 50m

2 stops

10:45 pm - 9:08 pm

STN

SEA

30h 23m

3 stops

$659Multiple Airlines

Thu, May 7 - Wed, May 20

7:00 pm - 12:30 am

SEA

STN

21h 30m

2 stops

10:00 pm - 10:05 am

STN

SEA

44h 05m

3 stops

$661Multiple Airlines

Thu, Apr 30 - Tue, May 5

7:00 pm - 8:30 pm

SEA

STN

17h 30m

2 stops

6:30 am - 9:40 am

STN

SEA

35h 10m

3 stops

$663Multiple Airlines

Fri, Apr 24 - Wed, May 13

3:40 pm - 12:30 am

SEA

STN

24h 50m

2 stops

8:00 pm - 11:45 am

STN

SEA

23h 45m

2 stops

$664Multiple Airlines

Thu, May 7 - Wed, May 20

7:00 pm - 12:10 am

SEA

STN

21h 10m

2 stops

6:30 am - 9:40 am

STN

SEA

35h 10m

3 stops

$666Multiple Airlines

Tue, Apr 28 - Mon, May 4

3:40 pm - 11:20 pm

SEA

STN

23h 40m

2 stops

6:30 am - 10:05 am

STN

SEA

35h 35m

3 stops

$667Multiple Airlines

Sun, Apr 26 - Tue, May 5

7:00 pm - 12:50 am

SEA

STN

21h 50m

2 stops

6:30 am - 10:05 am

STN

SEA

35h 35m

3 stops

$668Multiple Airlines

Fri, May 8 - Tue, May 12

Turkish Airlines flights from State of Washington to London Stansted Airport

Our best Turkish Airlines deals on State of Washington to London Stansted Airport flight tickets

Turkish Airlines

Apr 20

SEA7:10 pmSeattle/Tacoma Intl

19h 00m

1 stop

STN10:10 pmLondon Stansted

May 7

STN5:35 pmLondon Stansted

31h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$699

Turkish Airlines

Apr 20

SEA7:10 pmSeattle/Tacoma Intl

30h 45m

1 stop

STN9:55 amLondon Stansted

May 7

STN5:35 pmLondon Stansted

31h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$700

Turkish Airlines

Apr 15

SEA7:10 pmSeattle/Tacoma Intl

19h 00m

1 stop

STN10:10 pmLondon Stansted

May 15

STN5:35 pmLondon Stansted

31h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$703

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 4/21

3:40 pm-11:50 pm

3 stops24h 10m

London Stansted

Sat 5/9

6:35 am-9:40 am

3 stops35h 05m

$650

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 5/7

7:00 pm-12:30 am

2 stops21h 30m

London Stansted

Thu 5/14

5:35 pm-8:40 pm

2 stops35h 05m

$651

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-12:50 am

3 stops25h 10m

London Stansted

Tue 5/5

6:30 am-10:05 am

3 stops35h 35m

$658

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 5/7

3:40 pm-12:30 am

2 stops24h 50m

London Stansted

Wed 5/20

10:45 pm-9:08 pm

3 stops30h 23m

$659

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 4/30

7:00 pm-12:30 am

2 stops21h 30m

London Stansted

Tue 5/5

10:00 pm-10:05 am

3 stops44h 05m

$661

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 4/24

7:00 pm-8:30 pm

2 stops17h 30m

London Stansted

Wed 5/13

6:30 am-9:40 am

3 stops35h 10m

$663

Quickest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 5/7

3:40 pm-12:30 am

2 stops24h 50m

London Stansted

Wed 5/20

8:00 pm-11:45 am

2 stops23h 45m

$664

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 4/28

7:00 pm-12:10 am

2 stops21h 10m

London Stansted

Mon 5/4

6:30 am-9:40 am

3 stops35h 10m

$666

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-11:20 pm

2 stops23h 40m

London Stansted

Tue 5/5

6:30 am-10:05 am

3 stops35h 35m

$667

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-12:50 am

2 stops21h 50m

London Stansted

Tue 5/12

6:30 am-10:05 am

3 stops35h 35m

$668

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How to get the cheapest flight ticket from State of Washington 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

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Other information

What is the cheapest airline that flies from Washington to London Stansted?

Turkish Airlines and Lufthansa are the most popular carriers operating from Washington to London Stansted

Cheap State of Washington to London Stansted Airport flight deals and tips

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

Fastest flight time	17h 20m
Direct flights	None

The fastest flight from State of Washington to London Stansted Airport takes 17h 20m

There are no direct flights from State of Washington to London Stansted Airport. There are no popular flight routes from State of Washington to London Stansted Airport.

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Frequently asked questions about flying from Washington to London Stansted Airport

When did momondo last update prices for flights from Washington to London Stansted Airport?
Prices for flights from Washington to London Stansted Airport are updated daily.
How old do you have to be to fly from Washington to London Stansted 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 Washington to London Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Hayes

Slough

Wembley

Crawley

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Croydon

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Cobham

Folkestone

Guildford

Romford

Harrow

Watford

Richmond

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

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

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momondo provides multiple filters to help you find the best flight to London from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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Cheap flights from Washington to London from $297

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to London departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Turkish Airlines flights from State of Washington to London Stansted Airport

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How to get the cheapest flight ticket from State of Washington to London Stansted Airport

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Cheap State of Washington to London Stansted Airport flight deals and tips

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Frequently asked questions about flying from Washington to London Stansted Airport

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Why use momondo?

An easier way to manage your London Stansted Airport trip

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