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.

$469 Cheap Flights from London Stansted Airport to State of Washington in 2026

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.

6:30 am - 9:40 am

STN

SEA

35h 10m

3 stops

7:00 pm - 11:40 pm

SEA

STN

20h 40m

2 stops

$711Multiple Airlines

Wed, Aug 26 - Sun, Sep 6

6:30 am - 6:45 pm

STN

SEA

44h 15m

3 stops

7:00 pm - 6:50 pm

SEA

STN

15h 50m

2 stops

$718Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

6:30 am - 9:40 am

STN

SEA

35h 10m

3 stops

7:00 pm - 11:40 pm

SEA

STN

20h 40m

2 stops

$720Multiple Airlines

Wed, Aug 26 - Sun, Sep 6

10:00 pm - 9:40 am

STN

SEA

43h 40m

3 stops

7:00 pm - 6:50 pm

SEA

STN

15h 50m

2 stops

$726Multiple Airlines

Tue, Aug 25 - Mon, Aug 31

6:30 am - 9:00 pm

STN

SEA

46h 30m

3 stops

7:00 pm - 11:40 pm

SEA

STN

20h 40m

2 stops

$739Multiple Airlines

Wed, Aug 26 - Sun, Aug 30

8:15 pm - 5:10 pm

STN

SEA

28h 55m

2 stops

3:40 pm - 4:50 pm

SEA

STN

17h 10m

2 stops

$743Multiple Airlines

Wed, Oct 7 - Mon, Oct 19

6:30 am - 9:40 am

STN

SEA

35h 10m

3 stops

3:40 pm - 12:30 am

SEA

STN

24h 50m

2 stops

$747Multiple Airlines

Wed, Aug 26 - Thu, Aug 27

10:25 pm - 6:45 pm

STN

SEA

28h 20m

3 stops

3:40 pm - 6:50 pm

SEA

STN

19h 10m

2 stops

$758Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

6:00 pm - 3:40 pm

STN

SEA

29h 40m

2 stops

3:40 pm - 4:50 pm

SEA

STN

17h 10m

2 stops

$775Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

7:35 pm - 6:45 pm

STN

SEA

31h 10m

3 stops

3:40 pm - 5:40 pm

SEA

STN

18h 00m

2 stops

$778Multiple Airlines

Sat, Oct 10 - Sat, Oct 24

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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 13

STN5:20 pmLondon Stansted

35h 42m

2 stops

PDX9:02 pmPortland

Nov 20

PDX1:19 pmPortland

36h 36m

2 stops

STN9:55 amLondon Stansted

$1,689

Turkish Airlines

Oct 28

STN10:55 amLondon Stansted

43h 18m

2 stops

PDX11:13 pmPortland

Nov 11

PDX1:19 pmPortland

36h 36m

2 stops

STN9:55 amLondon Stansted

$1,719

Turkish Airlines

Oct 1

STN5:35 pmLondon Stansted

33h 41m

2 stops

PDX7:16 pmPortland

Oct 7

PDX1:03 pmPortland

43h 37m

2 stops

STN4:40 pmLondon Stansted

$1,781

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 - SEA

STNSEA

London Stansted

Wed 8/26

6:30 am-9:40 am

3 stops35h 10m

Seattle/Tacoma Intl

Sun 9/6

7:00 pm-11:40 pm

2 stops20h 40m

$711

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 8/26

6:30 am-6:45 pm

3 stops44h 15m

Seattle/Tacoma Intl

Mon 8/31

7:00 pm-6:50 pm

2 stops15h 50m

$718

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 8/26

6:30 am-9:40 am

3 stops35h 10m

Seattle/Tacoma Intl

Sun 9/6

7:00 pm-11:40 pm

2 stops20h 40m

$720

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 8/25

10:00 pm-9:40 am

3 stops43h 40m

Seattle/Tacoma Intl

Mon 8/31

7:00 pm-6:50 pm

2 stops15h 50m

$726

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 8/26

6:30 am-9:00 pm

3 stops46h 30m

Seattle/Tacoma Intl

Sun 8/30

7:00 pm-11:40 pm

2 stops20h 40m

$739

Quickest round-trip

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 10/7

8:15 pm-5:10 pm

2 stops28h 55m

Seattle/Tacoma Intl

Mon 10/19

3:40 pm-4:50 pm

2 stops17h 10m

$743

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 8/26

6:30 am-9:40 am

3 stops35h 10m

Seattle/Tacoma Intl

Thu 8/27

3:40 pm-12:30 am

2 stops24h 50m

$747

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 9/28

10:25 pm-6:45 pm

3 stops28h 20m

Seattle/Tacoma Intl

Mon 10/5

3:40 pm-6:50 pm

2 stops19h 10m

$758

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 9/28

6:00 pm-3:40 pm

2 stops29h 40m

Seattle/Tacoma Intl

Mon 10/5

3:40 pm-4:50 pm

2 stops17h 10m

$775

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 10/10

7:35 pm-6:45 pm

3 stops31h 10m

Seattle/Tacoma Intl

Sat 10/24

3:40 pm-5:40 pm

2 stops18h 00m

$778

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

Fastest flight time	13h 10m
Direct flights	None

The fastest flight from London Stansted Airport to State of Washington takes 13h 10m

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.