Cheap flights from London Stansted Airport to Washington from $356

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to Washington departing on 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London Stansted Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 8:40 pm
STN
-
SEA
22h 10m
2 stops
Multiple Airlines Logo
3:40 pm - 11:20 pm
SEA
-
STN
23h 40m
2 stops
$549Multiple Airlines
Sal, Nis 14 - Sal, Nis 21
Multiple Airlines Logo
8:30 am - 9:35 am
STN
-
SEA
33h 05m
3 stops
Multiple Airlines Logo
3:40 pm - 7:15 pm
SEA
-
STN
19h 35m
2 stops
$553Multiple Airlines
Pzt, Nis 13 - Pzt, Nis 27
Multiple Airlines Logo
8:30 am - 9:35 am
STN
-
SEA
33h 05m
3 stops
Multiple Airlines Logo
7:00 pm - 6:50 pm
SEA
-
STN
15h 50m
2 stops
$564Multiple Airlines
Pzt, Nis 13 - Pzt, Nis 27
Multiple Airlines Logo
8:30 am - 9:10 am
STN
-
PDX
32h 40m
3 stops
Multiple Airlines Logo
3:30 pm - 12:10 am
PDX
-
STN
24h 40m
2 stops
$570Multiple Airlines
Pzt, Nis 13 - Sal, Nis 28
Multiple Airlines Logo
9:15 am - 9:40 am
STN
-
SEA
32h 25m
2 stops
Multiple Airlines Logo
7:00 pm - 12:05 am
SEA
-
STN
21h 05m
2 stops
$587Multiple Airlines
Paz, May 3 - Cmt, May 9
Multiple Airlines Logo
10:45 pm - 2:19 pm
STN
-
SEA
47h 34m
3 stops
Multiple Airlines Logo
3:40 pm - 4:30 pm
SEA
-
STN
16h 50m
2 stops
$589Multiple Airlines
Çar, Nis 22 - Çar, May 6
Multiple Airlines Logo
6:30 am - 9:53 pm
STN
-
SEA
23h 23m
2 stops
Multiple Airlines Logo
3:40 pm - 6:50 pm
SEA
-
STN
19h 10m
2 stops
$593Multiple Airlines
Pzt, Nis 13 - Pzt, Nis 27
Multiple Airlines Logo
8:30 am - 8:40 pm
STN
-
SEA
20h 10m
2 stops
Multiple Airlines Logo
3:40 pm - 7:25 pm
SEA
-
STN
19h 45m
2 stops
$599Multiple Airlines
Pzt, Nis 13 - Pzt, Nis 27
Multiple Airlines Logo
6:30 am - 8:40 pm
STN
-
SEA
22h 10m
2 stops
Multiple Airlines Logo
3:40 pm - 11:20 pm
SEA
-
STN
23h 40m
2 stops
$603Multiple Airlines
Pzt, Nis 13 - Pzt, Nis 20
Multiple Airlines Logo
8:30 am - 9:53 pm
STN
-
SEA
21h 23m
2 stops
Multiple Airlines Logo
3:40 pm - 6:50 pm
SEA
-
STN
19h 10m
2 stops
$607Multiple Airlines
Pzt, Nis 13 - Pzt, Nis 27

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 13
STN10:50 amLondon Stansted
35h 40m
2 stops
PDX2:30 pmPortland
Apr 28
PDX1:39 pmPortland
43h 01m
2 stops
STN4:40 pmLondon Stansted
$1,703
Turkish Airlines
Jul 5
STN10:50 amLondon Stansted
42h 04m
2 stops
PDX8:54 pmPortland
Jul 18
PDX1:02 pmPortland
36h 53m
2 stops
STN9:55 amLondon Stansted
$1,779
Turkish Airlines
Jul 5
STN10:50 amLondon Stansted
42h 04m
2 stops
PDX8:54 pmPortland
Jul 18
PDX1:02 pmPortland
36h 53m
2 stops
STN9:55 amLondon Stansted
$1,782

momondo Fare Finder

 
Customize your flight search to find flights from London Stansted Airport to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated Şubat 28, 2026.
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

Sal 4/14

6:30 am-8:40 pm

2 stops22h 10m

Seattle/Tacoma Intl

Sal 4/21

3:40 pm-11:20 pm

2 stops23h 40m

$549

LondonSeattle

STN - SEA

STNSEA

London Stansted

Pzt 4/13

8:30 am-9:35 am

3 stops33h 05m

Seattle/Tacoma Intl

Pzt 4/27

3:40 pm-7:15 pm

2 stops19h 35m

$553

LondonSeattle

STN - SEA

STNSEA

London Stansted

Pzt 4/13

8:30 am-9:35 am

3 stops33h 05m

Seattle/Tacoma Intl

Pzt 4/27

7:00 pm-6:50 pm

2 stops15h 50m

$564

LondonPortland

STN - PDX

STNPDX

London Stansted

Pzt 4/13

8:30 am-9:10 am

3 stops32h 40m

Portland

Sal 4/28

3:30 pm-12:10 am

2 stops24h 40m

$570

LondonSeattle

STN - SEA

STNSEA

London Stansted

Paz 5/3

9:15 am-9:40 am

2 stops32h 25m

Seattle/Tacoma Intl

Cmt 5/9

7:00 pm-12:05 am

2 stops21h 05m

$587

LondonSeattle

STN - SEA

STNSEA

London Stansted

Çar 4/22

10:45 pm-2:19 pm

3 stops47h 34m

Seattle/Tacoma Intl

Çar 5/6

3:40 pm-4:30 pm

2 stops16h 50m

$589

LondonSeattle

STN - SEA

STNSEA

London Stansted

Pzt 4/13

6:30 am-9:53 pm

2 stops23h 23m

Seattle/Tacoma Intl

Pzt 4/27

3:40 pm-6:50 pm

2 stops19h 10m

$593

LondonSeattle

STN - SEA

STNSEA

London Stansted

Pzt 4/13

8:30 am-8:40 pm

2 stops20h 10m

Seattle/Tacoma Intl

Pzt 4/27

3:40 pm-7:25 pm

2 stops19h 45m

$599

LondonSeattle

STN - SEA

STNSEA

London Stansted

Pzt 4/13

6:30 am-8:40 pm

2 stops22h 10m

Seattle/Tacoma Intl

Pzt 4/20

3:40 pm-11:20 pm

2 stops23h 40m

$603

LondonSeattle

STN - SEA

STNSEA

London Stansted

Pzt 4/13

8:30 am-9:53 pm

2 stops21h 23m

Seattle/Tacoma Intl

Pzt 4/27

3:40 pm-6:50 pm

2 stops19h 10m

$607

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.
  • 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.

An easier way to manage your State of Washington 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.
1 adult
Pzt 3/30
Pzt 4/6

Find better results for your trip to Washington

Popular cities in Washington

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