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$530+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$649
(Mytrip)

One-way from

$530
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$941
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 ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Mytrip deal was found by Cheapflights users on 8/17. 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 10/17:05 amSTN - SEA
2 stops21h 35mMultiple Airlines
Wed 10/87:00 pmSEA - STN
2 stops16h 50mMultiple Airlines
Deal found 8/17$649
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:15 amSTN - SEA
1 stop14h 45mMultiple Airlines
Sun 10/194:20 pmSEA - STN
1 stop16h 25mMultiple Airlines
Deal found 8/18$663
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:20 amSTN - SEA
1 stop16h 30mMultiple Airlines
Thu 9/187:35 pmSEA - STN
1 stop13h 05mMultiple Airlines
Deal found 8/16$664
This Mytrip deal was found by Cheapflights users on 8/17. 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 9/297:40 pmSTN - SEA
2 stops24h 15mMultiple Airlines
Tue 10/142:20 pmSEA - STN
2 stops19h 15mMultiple Airlines
Deal found 8/17$676
This TravelUp deal was found by Cheapflights users on 8/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:50 pmSTN - SEA
1 stop29h 09mLufthansa
Wed 10/16:50 pmSEA - STN
1 stop16h 10mLufthansa
Deal found 8/18$679
This Mytrip deal was found by Cheapflights users on 8/17. 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 10/711:10 pmSTN - SEA
3 stops26h 40mMultiple Airlines
Thu 10/163:45 pmSEA - STN
2 stops18h 15mMultiple Airlines
Deal found 8/17$700
This Mytrip deal was found by Cheapflights users on 8/17. 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 9/47:55 amSTN - SEA
2 stops20h 45mMultiple Airlines
Thu 9/117:00 pmSEA - STN
2 stops16h 30mMultiple Airlines
Deal found 8/17$723
This Mytrip deal was found by Cheapflights users on 8/17. 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 9/176:10 amSTN - SEA
2 stops22h 30mMultiple Airlines
Mon 9/293:45 pmSEA - STN
3 stops19h 15mMultiple Airlines
Deal found 8/17$742
This Mytrip deal was found by Cheapflights users on 8/17. 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 10/67:35 pmSTN - PDX
3 stops32h 01mMultiple Airlines
Mon 10/133:20 pmPDX - STN
2 stops16h 45mMultiple Airlines
Deal found 8/17$776
This Mytrip deal was found by Cheapflights users on 8/17. 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 9/226:25 amSTN - SEA
3 stops44h 56mMultiple Airlines
Tue 9/307:00 pmSEA - STN
2 stops20h 30mMultiple Airlines
Deal found 8/17$787
This Mytrip deal was found by Cheapflights users on 8/17. 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 9/196:40 amSTN - PDX
3 stops38h 24mMultiple Airlines
Fri 10/31:45 pmPDX - STN
2 stops20h 40mMultiple Airlines
Deal found 8/17$924
This Mytrip deal was found by Cheapflights users on 8/18. 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 9/186:55 amSTN - PDX
3 stops38h 09mMultiple Airlines
Thu 10/25:58 pmPDX - STN
3 stops32h 42mMultiple Airlines
Deal found 8/18$946

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 August 18, 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

Wed 10/1

7:05 am-8:40 pm

2 stops21h 35m

Seattle/Tacoma Intl

Wed 10/8

7:00 pm-7:50 pm

2 stops16h 50m

$649

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sun 10/12

7:15 am-2:00 pm

1 stop14h 45m

Seattle/Tacoma Intl

Sun 10/19

4:20 pm-4:45 pm

1 stop16h 25m

$663

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 9/4

9:20 am-5:50 pm

1 stop16h 30m

Seattle/Tacoma Intl

Thu 9/18

7:35 pm-4:40 pm

1 stop13h 05m

$664

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 9/16

6:10 pm-11:55 am

2 stops25h 45m

Seattle/Tacoma Intl

Wed 9/24

6:50 pm-10:15 pm

2 stops19h 25m

$664

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 9/29

7:40 pm-11:55 am

2 stops24h 15m

Seattle/Tacoma Intl

Tue 10/14

2:20 pm-5:35 pm

2 stops19h 15m

$676

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 9/25

7:50 pm-4:59 pm

1 stop29h 09m

Seattle/Tacoma Intl

Wed 10/1

6:50 pm-7:00 pm

1 stop16h 10m

$679

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 10/7

11:10 pm-5:50 pm

3 stops26h 40m

Seattle/Tacoma Intl

Thu 10/16

3:45 pm-6:00 pm

2 stops18h 15m

$700

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 9/4

7:55 am-8:40 pm

2 stops20h 45m

Seattle/Tacoma Intl

Thu 9/11

7:00 pm-7:30 pm

2 stops16h 30m

$723

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 9/17

6:10 am-8:40 pm

2 stops22h 30m

Seattle/Tacoma Intl

Mon 9/29

3:45 pm-7:00 pm

3 stops19h 15m

$742

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 10/6

7:35 pm-7:36 pm

3 stops32h 01m

Portland

Mon 10/13

3:20 pm-4:05 pm

2 stops16h 45m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 32 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.

  • What is the cheapest month to book a flight from London Stansted Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from London Stansted Airport to State of Washington (average of $238). Flying from London Stansted Airport to State of Washington in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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