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.

$246 Cheap Flights from State of Washington to London Stansted Airport in 2026

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One-way

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Cheap round-trip flights

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3:40 pm - 12:50 am

SEA

STN

25h 10m

3 stops

6:30 am - 9:40 am

STN

SEA

35h 10m

3 stops

$894Multiple Airlines

Sun, Jul 19 - Tue, Aug 4

6:50 pm - 3:35 pm

SEA

STN

12h 45m

1 stop

4:25 pm - 11:55 am

STN

SEA

27h 30m

2 stops

$895Lufthansa

Wed, Sep 16 - Mon, Sep 21

7:00 pm - 9:40 pm

SEA

STN

18h 40m

2 stops

7:25 am - 8:40 pm

STN

SEA

21h 15m

2 stops

$897Multiple Airlines

Sat, Aug 22 - Sat, Aug 29

7:00 pm - 12:10 am

SEA

STN

21h 10m

2 stops

6:30 am - 9:40 am

STN

SEA

35h 10m

3 stops

$898Multiple Airlines

Tue, Jul 7 - Tue, Jul 21

7:15 pm - 4:40 pm

SEA

STN

37h 25m

1 stop

10:50 am - 5:20 pm

STN

SEA

38h 30m

1 stop

$899Turkish Airlines

Tue, Aug 18 - Wed, Sep 30

7:15 pm - 4:40 pm

SEA

STN

37h 25m

1 stop

5:45 pm - 5:20 pm

STN

SEA

31h 35m

1 stop

$900Turkish Airlines

Tue, Aug 18 - Wed, Sep 30

7:15 pm - 10:10 pm

SEA

STN

18h 55m

1 stop

5:35 pm - 5:20 pm

STN

SEA

31h 45m

1 stop

$901Turkish Airlines

Mon, Sep 14 - Thu, Sep 24

3:40 pm - 6:50 pm

SEA

STN

19h 10m

2 stops

8:15 am - 8:40 pm

STN

SEA

20h 25m

2 stops

$902Multiple Airlines

Mon, Jul 20 - Mon, Jul 27

6:50 pm - 5:10 pm

SEA

STN

14h 20m

1 stop

11:00 am - 4:59 pm

STN

SEA

13h 59m

1 stop

$903Lufthansa

Thu, Sep 24 - Tue, Sep 29

7:00 pm - 10:25 pm

SEA

STN

19h 25m

2 stops

6:40 am - 8:40 pm

STN

SEA

22h 00m

2 stops

$904Multiple Airlines

Mon, Sep 7 - Fri, Sep 11

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

Aug 18

SEA7:15 pmSeattle/Tacoma Intl

37h 25m

1 stop

STN4:40 pmLondon Stansted

Sep 30

STN10:50 amLondon Stansted

38h 30m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$899

Turkish Airlines

Aug 18

SEA7:15 pmSeattle/Tacoma Intl

37h 25m

1 stop

STN4:40 pmLondon Stansted

Sep 30

STN5:45 pmLondon Stansted

31h 35m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$900

Turkish Airlines

Sep 14

SEA7:15 pmSeattle/Tacoma Intl

18h 55m

1 stop

STN10:10 pmLondon Stansted

Sep 24

STN5:35 pmLondon Stansted

31h 45m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$901

Lufthansa flights from State of Washington to London Stansted Airport

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

Lufthansa

Sep 16

SEA6:50 pmSeattle/Tacoma Intl

12h 45m

1 stop

STN3:35 pmLondon Stansted

Sep 21

STN4:25 pmLondon Stansted

27h 30m

2 stops

SEA11:55 amSeattle/Tacoma Intl

$895

Lufthansa

Sep 24

SEA6:50 pmSeattle/Tacoma Intl

14h 20m

1 stop

STN5:10 pmLondon Stansted

Sep 29

STN11:00 amLondon Stansted

13h 59m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$903

Lufthansa

Sep 16

SEA6:50 pmSeattle/Tacoma Intl

12h 45m

1 stop

STN3:35 pmLondon Stansted

Sep 24

STN4:25 pmLondon Stansted

32h 34m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$917

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

Sun 7/19

3:40 pm-12:50 am

3 stops25h 10m

London Stansted

Tue 8/4

6:30 am-9:40 am

3 stops35h 10m

$894

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 9/16

6:50 pm-3:35 pm

1 stop12h 45m

London Stansted

Mon 9/21

4:25 pm-11:55 am

2 stops27h 30m

$895

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 8/22

7:00 pm-9:40 pm

2 stops18h 40m

London Stansted

Sat 8/29

7:25 am-8:40 pm

2 stops21h 15m

$897

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 7/7

7:00 pm-12:10 am

2 stops21h 10m

London Stansted

Tue 7/21

6:30 am-9:40 am

3 stops35h 10m

$898

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 8/18

7:15 pm-4:40 pm

1 stop37h 25m

London Stansted

Wed 9/30

10:50 am-5:20 pm

1 stop38h 30m

$899

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 8/18

7:15 pm-4:40 pm

1 stop37h 25m

London Stansted

Wed 9/30

5:45 pm-5:20 pm

1 stop31h 35m

$900

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 9/14

7:15 pm-10:10 pm

1 stop18h 55m

London Stansted

Thu 9/24

5:35 pm-5:20 pm

1 stop31h 45m

$901

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 7/20

3:40 pm-6:50 pm

2 stops19h 10m

London Stansted

Mon 7/27

8:15 am-8:40 pm

2 stops20h 25m

$902

Quickest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 9/24

6:50 pm-5:10 pm

1 stop14h 20m

London Stansted

Tue 9/29

11:00 am-4:59 pm

1 stop13h 59m

$903

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 9/7

7:00 pm-10:25 pm

2 stops19h 25m

London Stansted

Fri 9/11

6:40 am-8:40 pm

2 stops22h 00m

$904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Airlines

Other information

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

Lufthansa and Turkish Airlines 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	15h 50m
Direct flights	None

The fastest flight from State of Washington to London Stansted Airport takes 15h 50m

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.

Hounslow

Gatwick

Milton Keynes

Luton

Dover

Hayes

Crawley

Croydon

Wembley

Slough

Stansted

Harrow

Dartford

Brentwood

Watford

Ilford

Cobham

Folkestone

Uxbridge

Guildford

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

Finding the right flight to London from Washington 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 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.

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

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.

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

Yes. momondo can track prices for Washington 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.

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Cheap flights from Washington to London from $246

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 10/15. 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

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

Lufthansa flights from State of Washington to London Stansted Airport

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

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

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

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

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

Direct flights

Frequently asked questions about flying from Washington to London Stansted Airport

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Stansted Airport trip

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Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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