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 Spokane (another popular airport in State of Washington) to London Heathrow Airport, then the average flight time is 12h 33m.

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.

$250 Cheap Flights from State of Washington to London Stansted Airport in 2026

Find the cheapest flights from Washington to London

Round-trip

One-way

Last minute

Cheap round-trip flights

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2:10 pm - 10:55 pm

SEA

STN

24h 45m

2 stops

7:40 pm - 11:55 am

STN

SEA

24h 15m

2 stops

$646Multiple Airlines

Thu, Sep 10 - Tue, Sep 15

3:55 pm - 2:35 pm

SEA

STN

14h 40m

1 stop

7:10 am - 10:49 pm

STN

SEA

23h 39m

2 stops

$653Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

3:55 pm - 2:35 pm

SEA

STN

14h 40m

1 stop

7:10 am - 1:45 pm

STN

SEA

14h 35m

1 stop

$654Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

3:55 pm - 2:35 pm

SEA

STN

14h 40m

1 stop

7:10 am - 1:45 pm

STN

SEA

14h 35m

1 stop

$663Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

8:00 am - 6:50 pm

SEA

STN

26h 50m

2 stops

7:15 pm - 9:07 pm

STN

SEA

33h 52m

3 stops

$667Multiple Airlines

Mon, Aug 17 - Mon, Aug 24

3:55 pm - 5:15 pm

SEA

STN

17h 20m

1 stop

8:35 am - 1:45 pm

STN

SEA

13h 10m

1 stop

$676Multiple Airlines

Sun, Sep 6 - Sat, Sep 12

3:55 pm - 5:15 pm

SEA

STN

17h 20m

1 stop

6:20 am - 1:45 pm

STN

SEA

15h 25m

1 stop

$677Multiple Airlines

Sun, Sep 6 - Fri, Sep 11

3:55 pm - 3:40 pm

SEA

STN

15h 45m

1 stop

7:10 am - 1:45 pm

STN

SEA

14h 35m

1 stop

$679Multiple Airlines

Sun, Sep 6 - Tue, Sep 15

3:55 pm - 3:25 pm

SEA

STN

15h 30m

1 stop

6:20 am - 1:45 pm

STN

SEA

15h 25m

1 stop

$690Multiple Airlines

Fri, Sep 18 - Fri, Oct 2

3:55 pm - 3:25 pm

SEA

STN

15h 30m

1 stop

8:35 am - 1:45 pm

STN

SEA

13h 10m

1 stop

$694Multiple Airlines

Fri, Sep 18 - Sat, Oct 3

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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

Turkish Airlines

Aug 3

SEA12:35 pmSeattle/Tacoma Intl

25h 35m

1 stop

STN10:10 pmLondon Stansted

Aug 19

STN6:55 amLondon Stansted

18h 25m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$1,170

Turkish Airlines

Aug 3

SEA12:35 pmSeattle/Tacoma Intl

25h 35m

1 stop

STN10:10 pmLondon Stansted

Aug 19

STN6:55 amLondon Stansted

18h 25m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$1,171

Turkish Airlines

Aug 4

PDX1:14 pmPortland

43h 26m

2 stops

STN4:40 pmLondon Stansted

Sep 13

STN5:35 pmLondon Stansted

37h 40m

2 stops

PDX11:15 pmPortland

$1,676

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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Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 9/10

2:10 pm-10:55 pm

2 stops24h 45m

London Stansted

Tue 9/15

7:40 pm-11:55 am

2 stops24h 15m

$646

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 10/6

3:55 pm-2:35 pm

1 stop14h 40m

London Stansted

Tue 10/13

7:10 am-10:49 pm

2 stops23h 39m

$653

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 9/8

3:55 pm-2:35 pm

1 stop14h 40m

London Stansted

Tue 9/15

7:10 am-1:45 pm

1 stop14h 35m

$654

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 9/8

3:55 pm-2:35 pm

1 stop14h 40m

London Stansted

Tue 9/15

7:10 am-1:45 pm

1 stop14h 35m

$663

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 8/17

8:00 am-6:50 pm

2 stops26h 50m

London Stansted

Mon 8/24

7:15 pm-9:07 pm

3 stops33h 52m

$667

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 9/6

3:55 pm-5:15 pm

1 stop17h 20m

London Stansted

Sat 9/12

8:35 am-1:45 pm

1 stop13h 10m

$676

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 9/6

3:55 pm-5:15 pm

1 stop17h 20m

London Stansted

Fri 9/11

6:20 am-1:45 pm

1 stop15h 25m

$677

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 9/6

3:55 pm-3:40 pm

1 stop15h 45m

London Stansted

Tue 9/15

7:10 am-1:45 pm

1 stop14h 35m

$679

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 9/18

3:55 pm-3:25 pm

1 stop15h 30m

London Stansted

Fri 10/2

6:20 am-1:45 pm

1 stop15h 25m

$690

Quickest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 9/18

3:55 pm-3:25 pm

1 stop15h 30m

London Stansted

Sat 10/3

8:35 am-1:45 pm

1 stop13h 10m

$694

Flights are sorted by cheapest round-trip flights first.

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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

Airlines

Other information

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

Turkish Airlines is the most popular carrier 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	14h 40m
Direct flights	None

The fastest flight from State of Washington to London Stansted Airport takes 14h 40m

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

Hayes

Dover

Crawley

Wembley

Croydon

Stansted

Kingston upon Thames

Watford

Slough

Harrow

Brentwood

Cobham

Romford

Uxbridge

Guildford

Worthing

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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 $250

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 10/5. 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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