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$416+ Cheap flights from Stansted (STN) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Stansted to Washington

Keep the following information in mind while searching for Stansted to Washington flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$606
(Mytrip)

One-way from

$416
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$722
Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.
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From London Stansted to Washington
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One-way flight from London Stansted to Washington
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Highest demand for flights based on searches. 12% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Stansted to Washington

Cheapest flights from Stansted to Washington
Explore the most affordable flight options available from Stansted to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:50 pmSTN - SEA
3 stops32h 26mMultiple Airlines
Mon 11/242:00 pmSEA - STN
2 stops25h 55mMultiple Airlines
Deal found 10/15$606
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:30 amSTN - SEA
2 stops18h 30mMultiple Airlines
Wed 12/102:35 pmSEA - STN
2 stops19h 15mMultiple Airlines
Deal found 10/15$619
This Mytrip deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:30 amSTN - SEA
2 stops18h 30mMultiple Airlines
Fri 11/282:35 pmSEA - STN
2 stops22h 45mMultiple Airlines
Deal found 10/16$620
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amSTN - SEA
2 stops19h 00mMultiple Airlines
Sun 11/302:35 pmSEA - STN
2 stops16h 35mMultiple Airlines
Deal found 10/15$667
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:20 pmSTN - SEA
2 stops29h 50mMultiple Airlines
Wed 11/193:10 pmSEA - STN
2 stops18h 30mMultiple Airlines
Deal found 10/15$709
This Mytrip deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:05 amSTN - SEA
2 stops16h 55mMultiple Airlines
Thu 11/202:35 pmSEA - STN
2 stops15h 40mMultiple Airlines
Deal found 10/16$729
This Mytrip deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/303:00 pmSTN - SEA
2 stops34h 00mMultiple Airlines
Sun 12/72:35 pmSEA - STN
2 stops20h 00mMultiple Airlines
Deal found 10/16$834
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:30 amSTN - PDX
2 stops18h 30mMultiple Airlines
Mon 12/12:45 pmPDX - STN
2 stops22h 35mMultiple Airlines
Deal found 10/15$837
This Mytrip deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 pmSTN - SEA
2 stops27h 20mMultiple Airlines
Wed 1/73:10 pmSEA - STN
2 stops23h 05mMultiple Airlines
Deal found 10/14$841
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:40 pmSTN - SEA
2 stops28h 00mMultiple Airlines
Sun 11/25:40 pmSEA - STN
2 stops17h 30mMultiple Airlines
Deal found 10/15$887
This Booking.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:10 pmSTN - SEA
3 stops33h 15mMultiple Airlines
Fri 1/23:10 pmSEA - STN
2 stops18h 45mMultiple Airlines
Deal found 10/15$888
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:10 amSTN - PDX
2 stops18h 50mMultiple Airlines
Thu 1/89:50 amPDX - STN
3 stops24h 30mMultiple Airlines
Deal found 10/15$953

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stansted to 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, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from London Stansted Airport to Washington that are best for you.

Fly from

Stansted

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 11/18

6:50 pm-7:16 pm

3 stops32h 26m

Seattle/Tacoma Intl

Mon 11/24

2:00 pm-11:55 pm

2 stops25h 55m

$606

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 11/17

6:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

Fri 11/28

2:35 pm-9:20 pm

2 stops22h 45m

$620

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 11/24

6:00 am-5:00 pm

2 stops19h 00m

Seattle/Tacoma Intl

Sun 11/30

2:35 pm-3:10 pm

2 stops16h 35m

$667

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 11/12

2:20 pm-12:10 pm

2 stops29h 50m

Seattle/Tacoma Intl

Wed 11/19

3:10 pm-5:40 pm

2 stops18h 30m

$709

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 11/13

8:05 am-5:00 pm

2 stops16h 55m

Seattle/Tacoma Intl

Thu 11/20

2:35 pm-2:15 pm

2 stops15h 40m

$729

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sun 11/30

3:00 pm-5:00 pm

2 stops34h 00m

Seattle/Tacoma Intl

Sun 12/7

2:35 pm-6:35 pm

2 stops20h 00m

$834

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 11/17

6:30 am-5:00 pm

2 stops18h 30m

Portland

Mon 12/1

2:45 pm-9:20 pm

2 stops22h 35m

$837

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 12/23

6:00 pm-1:20 pm

2 stops27h 20m

Seattle/Tacoma Intl

Wed 1/7

3:10 pm-10:15 pm

2 stops23h 05m

$841

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 11/13

6:15 am-5:00 pm

2 stops18h 45m

Seattle/Tacoma Intl

Mon 12/1

2:35 pm-2:30 pm

2 stops15h 55m

$914

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 11/13

6:15 am-5:00 pm

2 stops18h 45m

Seattle/Tacoma Intl

Fri 11/28

2:35 pm-3:20 pm

2 stops16h 45m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 38 results
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Best time to book a flight from Stansted to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Stansted with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to Washington
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Stansted to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Stansted to Washington that include hotel bookings?

    Yes. In addition to deals on Stansted to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Washington.

  • Can I find deals for business class flights from Stansted to Washington?

    Yes. Cheapflights offers flight deals from Stansted to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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