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.

$271 Cheap Flights from State of Washington to London Stansted Airport in 2025

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Round-trip

One-way

Last minute

Cheap round-trip flights

4:20 pm - 6:35 pmSEA-STN

18h 15m2 stops

8:35 pm - 2:00 pmSTN-SEA

25h 25m2 stops

$548

Find Deal

Wed, Oct 8 - Tue, Oct 14

3:35 pm - 11:40 pmSEA-STN

25h 05m2 stops

6:00 am - 5:00 pmSTN-SEA

19h 00m2 stops

$565

Find Deal

Thu, Oct 30 - Wed, Nov 5

8:05 pm - 9:20 pmSEA-STN

17h 15m1 stop

6:30 am - 6:20 pmSTN-SEA

19h 50m1 stop

$574

Find Deal

Mon, Nov 3 - Sun, Nov 16

7:35 pm - 9:00 pmSEA-STN

17h 25m1 stop

10:15 am - 6:20 pmSTN-SEA

16h 05m1 stop

$575

Find Deal

Mon, Oct 20 - Sun, Nov 2

3:45 pm - 5:25 pmSEA-STN

17h 40m2 stops

7:35 am - 5:50 pmSTN-SEA

18h 15m2 stops

$578

Find Deal

Thu, Oct 2 - Thu, Oct 16

4:20 pm - 3:45 pmSEA-STN

15h 25m1 stop

8:10 am - 2:00 pmSTN-SEA

13h 50m1 stop

$585

Find Deal

Fri, Oct 3 - Fri, Oct 10

3:35 pm - 9:20 pmSEA-STN

22h 45m2 stops

6:30 am - 5:00 pmSTN-SEA

18h 30m2 stops

$586

Find Deal

Mon, Oct 27 - Sun, Nov 9

8:05 pm - 11:00 pmSEA-STN

18h 55m1 stop

10:15 am - 6:20 pmSTN-SEA

16h 05m1 stop

$591

Find Deal

Sun, Nov 9 - Mon, Nov 17

2:00 pm - 7:00 pmSEA-STN

21h 00m2 stops

7:50 pm - 4:59 pmSTN-SEA

29h 09m1 stop

$756Lufthansa

Find Deal

Mon, Sep 22 - Thu, Oct 2

2:20 pm - 7:00 pmSEA-STN

44h 40m2 stops

7:50 pm - 4:59 pmSTN-SEA

29h 09m1 stop

$770Lufthansa

Find Deal

Sun, Sep 21 - Thu, Oct 2

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 22

SEA2:00 pmSeattle/Tacoma Intl

21h 00m

2 stops

STN7:00 pmLondon Stansted

Oct 2

STN7:50 pmLondon Stansted

29h 09m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$756

Find similar

Lufthansa

Sep 21

SEA2:20 pmSeattle/Tacoma Intl

44h 40m

2 stops

STN7:00 pmLondon Stansted

Oct 2

STN7:50 pmLondon Stansted

29h 09m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$770

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 10/8

4:20 pm-6:35 pm

2 stops18h 15m

London Stansted

Tue 10/14

8:35 pm-2:00 pm

2 stops25h 25m

$548

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 10/30

3:35 pm-11:40 pm

2 stops25h 05m

London Stansted

Wed 11/5

6:00 am-5:00 pm

2 stops19h 00m

$565

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 11/3

8:05 pm-9:20 pm

1 stop17h 15m

London Stansted

Sun 11/16

6:30 am-6:20 pm

1 stop19h 50m

$574

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 10/20

7:35 pm-9:00 pm

1 stop17h 25m

London Stansted

Sun 11/2

10:15 am-6:20 pm

1 stop16h 05m

$575

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 10/2

3:45 pm-5:25 pm

2 stops17h 40m

London Stansted

Thu 10/16

7:35 am-5:50 pm

2 stops18h 15m

$578

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 10/3

4:20 pm-3:45 pm

1 stop15h 25m

London Stansted

Fri 10/10

8:10 am-2:00 pm

1 stop13h 50m

$585

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 10/27

3:35 pm-9:20 pm

2 stops22h 45m

London Stansted

Sun 11/9

6:30 am-5:00 pm

2 stops18h 30m

$586

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 11/9

8:05 pm-11:00 pm

1 stop18h 55m

London Stansted

Mon 11/17

10:15 am-6:20 pm

1 stop16h 05m

$591

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 9/22

2:00 pm-7:00 pm

2 stops21h 00m

London Stansted

Thu 10/2

7:50 pm-4:59 pm

1 stop29h 09m

$756

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 9/21

2:20 pm-7:00 pm

2 stops44h 40m

London Stansted

Thu 10/2

7:50 pm-4:59 pm

1 stop29h 09m

$770

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

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 20m 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 02m.

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

Best Price Found	$271
Fastest flight time	12h 55m
Direct flights	None

The best one-way flight to London Stansted Airport from State of Washington in the past 72 hours is $271. The best round-trip flight deal from State of Washington to London Stansted Airport found on momondo in the last 72 hours is $548.

The fastest flight from State of Washington to London Stansted Airport takes 12h 55m

There are no direct flights from State of Washington to London Stansted Airport. Popular non-direct routes for this connection are Portland Airport - London Stansted Airport and Seattle/Tacoma Intl Airport - London Stansted Airport.

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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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Dartford

Crawley

Hayes

Chelmsford

Stansted

Brentwood

Ilford

Folkestone

Colchester

Watford

Richmond

Canterbury

Croydon

Why use momondo?

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.

An easier way to manage your London Stansted Airport trip

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Cheap flights from Washington to London from $271

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 9/20. 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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Filter for what you want

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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

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

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo