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.

$522 Cheap Flights from London Stansted Airport to State of Washington in 2026/27

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.

6:45 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

18h 15m2 stops Dublin Reykjavik Keflavik Intl

2:35 pm - 11:15 pmSEA Seattle/Tacoma Intl-STN London Stansted

24h 40m2 stops Reykjavik Keflavik Intl Dublin

$722Multiple Airlines

Thu, Nov 12 - Thu, Nov 26

6:15 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

18h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

2:35 pm - 3:40 pmSEA Seattle/Tacoma Intl-STN London Stansted

17h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$741Multiple Airlines

Sat, Jan 23 - Sun, Feb 14

6:45 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

18h 15m2 stops Dublin Reykjavik Keflavik Intl

2:35 pm - 10:10 pmSEA Seattle/Tacoma Intl-STN London Stansted

23h 35m2 stops Reykjavik Keflavik Intl Dublin

$749Multiple Airlines

Fri, Feb 12 - Sun, Feb 21

10:25 pm - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

26h 35m2 stops Dublin Reykjavik Keflavik Intl

2:35 pm - 9:40 pmSEA Seattle/Tacoma Intl-STN London Stansted

23h 05m2 stops Reykjavik Keflavik Intl Dublin

$753Multiple Airlines

Fri, Nov 20 - Sat, Nov 28

8:15 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

2:35 pm - 4:55 pmSEA Seattle/Tacoma Intl-STN London Stansted

18h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$754Multiple Airlines

Wed, Nov 25 - Sun, Jan 31

8:15 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

2:35 pm - 3:05 pmSEA Seattle/Tacoma Intl-STN London Stansted

16h 30m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

$762Multiple Airlines

Tue, Nov 10 - Mon, Nov 30

8:15 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

2:35 pm - 3:40 pmSEA Seattle/Tacoma Intl-STN London Stansted

17h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$774Multiple Airlines

Wed, Jan 13 - Wed, Jan 27

8:15 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

2:35 pm - 6:05 pmSEA Seattle/Tacoma Intl-STN London Stansted

19h 30m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$778Multiple Airlines

Tue, Feb 2 - Tue, Feb 9

7:55 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

17h 05m2 stops Stockholm Arlanda Reykjavik Keflavik Intl

2:35 pm - 6:50 pmSEA Seattle/Tacoma Intl-STN London Stansted

20h 15m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

$781Multiple Airlines

Sat, Dec 5 - Tue, Dec 8

8:15 am - 5:00 pmSTN London Stansted-SEA Seattle/Tacoma Intl

16h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

2:35 pm - 10:50 pmSEA Seattle/Tacoma Intl-STN London Stansted

24h 15m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bergamo Orio Al Serio

$782Multiple Airlines

Tue, Nov 24 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 pm - 3:55 pmSTN London Stansted-SEA Seattle/Tacoma Intl

28h 40m2 stops Milan Malpensa Frankfurt am Main

3:00 pm - 6:15 pmSEA Seattle/Tacoma Intl-STN London Stansted

19h 15m2 stops Frankfurt am Main Milan Malpensa

$825Multiple Airlines

Fri, Nov 6 - Sun, Nov 22

7:15 pm - 3:55 pmSTN London Stansted-SEA Seattle/Tacoma Intl

28h 40m2 stops Milan Malpensa Frankfurt am Main

3:00 pm - 6:15 pmSEA Seattle/Tacoma Intl-STN London Stansted

19h 15m2 stops Frankfurt am Main Milan Malpensa

$866Multiple Airlines

Fri, Nov 6 - Sun, Nov 22

5:20 pm - 5:10 pmSTN London Stansted-SEA Seattle/Tacoma Intl

31h 50m1 stop Istanbul

10:50 am - 9:55 amSEA Seattle/Tacoma Intl-STN London Stansted

39h 05m2 stops Chicago O'Hare Intl Istanbul

$992Turkish Airlines

Thu, Nov 5 - Tue, Nov 10

5:20 pm - 11:20 pmSTN London Stansted-SEA Seattle/Tacoma Intl

38h 00m2 stops Istanbul Chicago O'Hare Intl

7:05 pm - 9:55 amSEA Seattle/Tacoma Intl-STN London Stansted

30h 50m1 stop Istanbul

$1,000Turkish Airlines

Thu, Nov 5 - Thu, Nov 19

5:20 pm - 11:20 pmSTN London Stansted-SEA Seattle/Tacoma Intl

38h 00m2 stops Istanbul Chicago O'Hare Intl

7:05 pm - 9:55 amSEA Seattle/Tacoma Intl-STN London Stansted

30h 50m1 stop Istanbul

$1,014Turkish Airlines

Thu, Nov 5 - Sat, Nov 21

5:20 pm - 6:10 pmSTN London Stansted-SEA Seattle/Tacoma Intl

32h 50m1 stop Istanbul

7:05 pm - 9:55 amSEA Seattle/Tacoma Intl-STN London Stansted

30h 50m1 stop Istanbul

$1,019Turkish Airlines

Thu, Nov 5 - Sat, Nov 21

5:20 pm - 5:10 pmSTN London Stansted-SEA Seattle/Tacoma Intl

31h 50m1 stop Istanbul

7:05 pm - 9:55 amSEA Seattle/Tacoma Intl-STN London Stansted

30h 50m1 stop Istanbul

$1,021Turkish Airlines

Thu, Nov 5 - Sat, Nov 21

5:20 pm - 6:10 pmSTN London Stansted-SEA Seattle/Tacoma Intl

32h 50m1 stop Istanbul

7:05 pm - 9:55 amSEA Seattle/Tacoma Intl-STN London Stansted

30h 50m1 stop Istanbul

$1,024Turkish Airlines

Thu, Nov 5 - Sat, Nov 21

5:20 pm - 6:10 pmSTN London Stansted-SEA Seattle/Tacoma Intl

32h 50m1 stop Istanbul

7:05 pm - 9:55 amSEA Seattle/Tacoma Intl-STN London Stansted

30h 50m1 stop Istanbul

$1,025Turkish Airlines

Thu, Nov 5 - Sat, Nov 21

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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

Nov 5

STN5:20 pmLondon Stansted

31h 50m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

Nov 10

SEA10:50 amSeattle/Tacoma Intl

39h 05m

2 stops

STN9:55 amLondon Stansted

$992

Turkish Airlines

Nov 10

STN5:20 pmLondon Stansted

37h 47m

2 stops

SEA11:07 pmSeattle/Tacoma Intl

Nov 30

SEA7:05 pmSeattle/Tacoma Intl

30h 50m

1 stop

STN9:55 amLondon Stansted

$996

Turkish Airlines

Nov 10

STN5:20 pmLondon Stansted

37h 47m

2 stops

SEA11:07 pmSeattle/Tacoma Intl

Nov 25

SEA7:05 pmSeattle/Tacoma Intl

30h 50m

1 stop

STN9:55 amLondon Stansted

$998

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

Cheapest round-trip

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 11/12

6:45 am-5:00 pm

2 stops18h 15m

Seattle/Tacoma Intl

Thu 11/26

2:35 pm-11:15 pm

2 stops24h 40m

$722

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sat 1/23

6:15 am-5:00 pm

2 stops18h 45m

Seattle/Tacoma Intl

Sun 2/14

2:35 pm-3:40 pm

2 stops17h 05m

$741

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Fri 2/12

6:45 am-5:00 pm

2 stops18h 15m

Seattle/Tacoma Intl

Sun 2/21

2:35 pm-10:10 pm

2 stops23h 35m

$749

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Fri 11/20

10:25 pm-5:00 pm

2 stops26h 35m

Seattle/Tacoma Intl

Sat 11/28

2:35 pm-9:40 pm

2 stops23h 05m

$753

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 11/25

8:15 am-5:00 pm

2 stops16h 45m

Seattle/Tacoma Intl

Sun 1/31

2:35 pm-4:55 pm

2 stops18h 20m

$754

Quickest round-trip

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 11/10

8:15 am-5:00 pm

2 stops16h 45m

Seattle/Tacoma Intl

Mon 11/30

2:35 pm-3:05 pm

2 stops16h 30m

$762

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 1/13

8:15 am-5:00 pm

2 stops16h 45m

Seattle/Tacoma Intl

Wed 1/27

2:35 pm-3:40 pm

2 stops17h 05m

$774

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 2/2

8:15 am-5:00 pm

2 stops16h 45m

Seattle/Tacoma Intl

Tue 2/9

2:35 pm-6:05 pm

2 stops19h 30m

$778

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sat 12/5

7:55 am-5:00 pm

2 stops17h 05m

Seattle/Tacoma Intl

Tue 12/8

2:35 pm-6:50 pm

2 stops20h 15m

$781

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 11/24

8:15 am-5:00 pm

2 stops16h 45m

Seattle/Tacoma Intl

Tue 12/1

2:35 pm-10:50 pm

3 stops24h 15m

$782

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 London Stansted Airport to State of Washington

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

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

Turkish Airlines is the most popular carrier operating from London Stansted to Washington

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

Best Price Found	$522
Fastest flight time	16h 50m
Direct flights	None

The best one-way flight to State of Washington from London Stansted Airport in the past 72 hours is $522. The best round-trip flight deal from London Stansted Airport to State of Washington found on momondo in the last 72 hours is $722.

The fastest flight from London Stansted Airport to State of Washington takes 16h 50m

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.

Search flight deals

Frequently asked questions about flying from London Stansted Airport to Washington

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.

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.