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

Prices for flights from Washington to London Stansted Airport were last updated today.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£200 Cheap Flights from State of Washington to London Stansted Airport in 2025

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Find the cheapest flights from Washington to London

Round-trip

One-way

Last minute

Cheap return flights

16:20 - 18:35SEA-STN

18h 15m2 stops

20:35 - 14:00STN-SEA

25h 25m2 stops

£405

Find Deal

Wed, 8 Oct - Tue, 14 Oct

15:35 - 23:40SEA-STN

25h 05m2 stops

06:00 - 17:00STN-SEA

19h 00m2 stops

£417

Find Deal

Thu, 30 Oct - Wed, 5 Nov

20:05 - 21:20SEA-STN

17h 15m1 stop

06:30 - 18:20STN-SEA

19h 50m1 stop

£424

Find Deal

Mon, 3 Nov - Sun, 16 Nov

19:35 - 21:00SEA-STN

17h 25m1 stop

10:15 - 18:20STN-SEA

16h 05m1 stop

£425

Find Deal

Mon, 20 Oct - Sun, 2 Nov

15:45 - 17:25SEA-STN

17h 40m2 stops

07:35 - 17:50STN-SEA

18h 15m2 stops

£427

Find Deal

Thu, 2 Oct - Thu, 16 Oct

15:35 - 21:20SEA-STN

22h 45m2 stops

06:30 - 17:00STN-SEA

18h 30m2 stops

£428

Find Deal

Mon, 27 Oct - Sun, 9 Nov

16:20 - 15:45SEA-STN

15h 25m1 stop

08:10 - 14:00STN-SEA

13h 50m1 stop

£432

Find Deal

Fri, 3 Oct - Fri, 10 Oct

15:35 - 21:20SEA-STN

22h 45m2 stops

06:30 - 17:00STN-SEA

18h 30m2 stops

£433

Find Deal

Mon, 27 Oct - Sun, 9 Nov

14:35 - 18:20SEA-STN

19h 45m2 stops

08:30 - 17:00STN-SEA

16h 30m2 stops

£434

Find Deal

Mon, 10 Nov - Sun, 23 Nov

20:05 - 23:00SEA-STN

18h 55m1 stop

10:15 - 18:20STN-SEA

16h 05m1 stop

£437

Find Deal

Sun, 9 Nov - Mon, 17 Nov

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 8/10

16:20-18:35

2 stops18h 15m

London Stansted

Tue 14/10

20:35-14:00

2 stops25h 25m

£405

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 30/10

15:35-23:40

2 stops25h 05m

London Stansted

Wed 5/11

06:00-17:00

2 stops19h 00m

£417

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 3/11

20:05-21:20

1 stop17h 15m

London Stansted

Sun 16/11

06:30-18:20

1 stop19h 50m

£424

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 20/10

19:35-21:00

1 stop17h 25m

London Stansted

Sun 2/11

10:15-18:20

1 stop16h 05m

£425

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 2/10

15:45-17:25

2 stops17h 40m

London Stansted

Thu 16/10

07:35-17:50

2 stops18h 15m

£427

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 27/10

15:35-21:20

2 stops22h 45m

London Stansted

Sun 9/11

06:30-17:00

2 stops18h 30m

£428

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 3/10

16:20-15:45

1 stop15h 25m

London Stansted

Fri 10/10

08:10-14:00

1 stop13h 50m

£432

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 27/10

15:35-21:20

2 stops22h 45m

London Stansted

Sun 9/11

06:30-17:00

2 stops18h 30m

£433

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 10/11

14:35-18:20

2 stops19h 45m

London Stansted

Sun 23/11

08:30-17:00

2 stops16h 30m

£434

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 9/11

20:05-23:00

1 stop18h 55m

London Stansted

Mon 17/11

10:15-18:20

1 stop16h 05m

£437

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 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?

Flight times vary depending on what airport in State of Washington you fly out of and what airport in London Stansted Airport you fly into. For example, flying from Seattle to London Heathrow Airport takes 9h 20m on average. On the other hand, flying from Spokane to London Heathrow Airport takes 12h 02m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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	£200
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 £200. The best return flight deal from State of Washington to London Stansted Airport found on momondo in the last 72 hours is £405.

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 were last updated today.
How old do you have to be to fly from Washington to London Stansted Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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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?

Once you have performed a search for Washington 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 Washington to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.