How do I get Price Alerts for flights from London Stansted Airport to State of Washington?

Price Alerts will notify you by email when the price for flights to State of Washington from London Stansted Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Prices for flights from London Stansted Airport to Washington are refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$418 Cheap Flights from London Stansted Airport to State of Washington in 2025/26

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Find the cheapest flights from London Stansted Airport to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:00 pm

STN

SEA

19h 00m2 stops

2:35 pm - 10:15 pm

SEA

STN

23h 40m2 stops

$675Multiple Airlines

Wed, Feb 11 - Wed, Feb 18

5:55 am - 4:09 pm

STN

SEA

42h 14m2 stops

6:55 pm - 9:20 pm

SEA

STN

18h 25m1 stop

$707Multiple Airlines

Sun, Mar 8 - Sun, Mar 29

8:30 am - 4:59 pm

STN

SEA

16h 29m1 stop

6:45 pm - 10:20 pm

SEA

STN

19h 35m1 stop

$716Multiple Airlines

Sat, Jun 13 - Sun, Jun 28

6:15 am - 10:16 pm

STN

SEA

24h 01m2 stops

2:35 pm - 3:10 pm

SEA

STN

16h 35m2 stops

$733Multiple Airlines

Sun, Jan 25 - Sun, Feb 1

7:35 am - 5:00 pm

STN

SEA

17h 25m2 stops

2:35 pm - 11:40 pm

SEA

STN

25h 05m2 stops

$735Multiple Airlines

Mon, Feb 2 - Thu, Feb 5

6:00 am - 5:00 pm

STN

SEA

19h 00m2 stops

2:35 pm - 4:40 pm

SEA

STN

18h 05m2 stops

$753Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

6:30 am - 7:25 pm

STN

SEA

20h 55m2 stops

6:45 pm - 5:35 pm

SEA

STN

14h 50m1 stop

$779Multiple Airlines

Tue, Mar 31 - Mon, Apr 13

6:00 am - 5:00 pm

STN

SEA

19h 00m2 stops

2:35 pm - 4:40 pm

SEA

STN

18h 05m2 stops

$785Multiple Airlines

Wed, Feb 11 - Wed, Feb 18

10:50 am - 2:30 pm

STN

PDX

35h 40m2 stops

1:34 pm - 9:55 am

PDX

STN

36h 21m2 stops

$1,717Turkish Airlines

Mon, Apr 27 - Sat, May 2

10:50 am - 2:30 pm

STN

PDX

35h 40m2 stops

1:34 pm - 4:50 pm

PDX

STN

43h 16m2 stops

$1,724Turkish Airlines

Mon, Apr 27 - Tue, May 5

Turkish Airlines flights from London Stansted Airport to State of Washington

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

Turkish Airlines

Apr 20

STN10:50 amLondon Stansted

38h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

Apr 24

SEA7:10 pmSeattle/Tacoma Intl

19h 00m

1 stop

STN10:10 pmLondon Stansted

$896

Find similar

Turkish Airlines

Apr 20

STN10:50 amLondon Stansted

38h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

Apr 24

SEA7:10 pmSeattle/Tacoma Intl

30h 45m

1 stop

STN9:55 amLondon Stansted

$913

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 2/11

6:00 am-5:00 pm

2 stops19h 00m

Seattle/Tacoma Intl

Wed 2/18

2:35 pm-10:15 pm

2 stops23h 40m

$675

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sun 3/8

5:55 am-4:09 pm

2 stops42h 14m

Seattle/Tacoma Intl

Sun 3/29

6:55 pm-9:20 pm

1 stop18h 25m

$707

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 6/13

8:30 am-4:59 pm

1 stop16h 29m

Seattle/Tacoma Intl

Sun 6/28

6:45 pm-10:20 pm

1 stop19h 35m

$716

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sun 1/25

6:15 am-10:16 pm

2 stops24h 01m

Seattle/Tacoma Intl

Sun 2/1

2:35 pm-3:10 pm

2 stops16h 35m

$733

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 2/2

7:35 am-5:00 pm

2 stops17h 25m

Seattle/Tacoma Intl

Thu 2/5

2:35 pm-11:40 pm

2 stops25h 05m

$735

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 1/28

6:00 am-5:00 pm

2 stops19h 00m

Seattle/Tacoma Intl

Wed 2/4

2:35 pm-4:40 pm

2 stops18h 05m

$753

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 3/31

6:30 am-7:25 pm

2 stops20h 55m

Seattle/Tacoma Intl

Mon 4/13

6:45 pm-5:35 pm

1 stop14h 50m

$779

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 2/11

6:00 am-5:00 pm

2 stops19h 00m

Seattle/Tacoma Intl

Wed 2/18

2:35 pm-4:40 pm

2 stops18h 05m

$785

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 4/27

10:50 am-2:30 pm

2 stops35h 40m

Portland

Sat 5/2

1:34 pm-9:55 am

2 stops36h 21m

$1,717

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 4/27

10:50 am-2:30 pm

2 stops35h 40m

Portland

Tue 5/5

1:34 pm-4:50 pm

2 stops43h 16m

$1,724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from London Stansted Airport to State of Washington takes 19h 00m

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

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When did momondo last update prices for flights from London Stansted Airport to Washington?
Prices for flights from London Stansted Airport to Washington are refreshed on a daily basis.
How old do you have to be to fly from London Stansted Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from London Stansted Airport to State of Washington?
Price Alerts will notify you by email when the price for flights to State of Washington from London Stansted Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from London Stansted Airport to State of Washington with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from London.

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

momondo does allow users to show only those flights to Washington from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between London and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for London to Washington 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.