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$368+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$670
(Mytrip)

One-way from

$368
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$716
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 ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 26, 2025.

This Mytrip deal was found by Cheapflights users on 11/24. 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
Fri 1/93:10 pmSEA - STN
2 stops23h 55mMultiple Airlines
Deal found 11/24$865
This Mytrip deal was found by Cheapflights users on 11/25. 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 11/266:25 pmSTN - SEA
2 stops29h 15mMultiple Airlines
Wed 12/102:35 pmSEA - STN
2 stops18h 40mMultiple Airlines
Deal found 11/25$885
This Mytrip deal was found by Cheapflights users on 11/26. 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 12/2612:00 pmSTN - SEA
1 stop14h 20mMultiple Airlines
Fri 1/28:05 pmSEA - STN
1 stop19h 00mMultiple Airlines
Deal found 11/26$930
This Mytrip deal was found by Cheapflights users on 11/25. 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 12/235:55 amSTN - SEA
2 stops17h 45mMultiple Airlines
Tue 12/305:40 pmSEA - STN
2 stops16h 45mMultiple Airlines
Deal found 11/25$936
This Mytrip deal was found by Cheapflights users on 11/23. 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 12/157:50 pmSTN - SEA
3 stops34h 26mMultiple Airlines
Wed 12/312:35 pmSEA - STN
2 stops22h 55mMultiple Airlines
Deal found 11/23$964
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 12/118:30 amSTN - SEA
2 stops34h 05mMultiple Airlines
Sun 1/48:05 pmSEA - STN
1 stop27h 45mMultiple Airlines
Deal found 11/24$984
This Mytrip deal was found by Cheapflights users on 11/25. 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 12/45:25 pmSTN - SEA
2 stops31h 35mMultiple Airlines
Thu 12/118:10 amSEA - STN
3 stops31h 35mMultiple Airlines
Deal found 11/25$991
This Mytrip deal was found by Cheapflights users on 11/25. 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 12/97:45 pmSTN - SEA
2 stops34h 31mMultiple Airlines
Thu 12/118:10 amSEA - STN
3 stops31h 25mMultiple Airlines
Deal found 11/25$1,041
This Mytrip deal was found by Cheapflights users on 11/26. 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 12/167:35 pmSTN - SEA
2 stops29h 30mMultiple Airlines
Mon 1/52:35 pmSEA - STN
2 stops20h 50mMultiple Airlines
Deal found 11/26$1,055
This Mytrip deal was found by Cheapflights users on 11/25. 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 12/118:05 amSTN - SEA
2 stops16h 55mMultiple Airlines
Mon 1/52:35 pmSEA - STN
2 stops20h 50mMultiple Airlines
Deal found 11/25$1,058
This Booking.com deal was found by Cheapflights users on 11/25. 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.
Mon 12/156:10 amSTN - PDX
2 stops18h 50mMultiple Airlines
Mon 1/52:45 pmPDX - STN
2 stops15h 35mMultiple Airlines
Deal found 11/25$1,151
This Booking.com deal was found by Cheapflights users on 11/25. 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.
Sun 12/148:30 pmSTN - PDX
2 stops28h 30mMultiple Airlines
Mon 1/52:45 pmPDX - STN
2 stops15h 35mMultiple Airlines
Deal found 11/25$1,228

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 November 26, 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

Mon 1/19

5:55 am-3:40 pm

2 stops17h 45m

Seattle/Tacoma Intl

Mon 2/2

5:40 pm-11:25 am

3 stops33h 45m

$727

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 2/12

6:15 am-5:00 pm

2 stops18h 45m

Seattle/Tacoma Intl

Mon 2/23

8:05 pm-6:20 pm

1 stop14h 15m

$849

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 12/23

6:00 pm-1:20 pm

2 stops27h 20m

Seattle/Tacoma Intl

Fri 1/9

3:10 pm-11:05 pm

2 stops23h 55m

$865

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 2/3

5:55 am-10:16 pm

2 stops24h 21m

Seattle/Tacoma Intl

Sat 2/7

2:35 pm-2:25 pm

2 stops15h 50m

$895

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 1/8

6:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

Thu 1/15

2:35 pm-8:05 pm

2 stops21h 30m

$956

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 12/15

7:50 pm-10:16 pm

3 stops34h 26m

Seattle/Tacoma Intl

Wed 12/31

2:35 pm-9:30 pm

2 stops22h 55m

$964

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 12/11

8:30 am-10:35 am

2 stops34h 05m

Seattle/Tacoma Intl

Sun 1/4

8:05 pm-7:50 am

1 stop27h 45m

$992

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 12/9

7:45 pm-10:16 pm

2 stops34h 31m

Seattle/Tacoma Intl

Thu 12/11

8:10 am-11:35 pm

3 stops31h 25m

$1,041

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 12/15

6:10 am-5:00 pm

2 stops18h 50m

Portland

Mon 1/5

2:45 pm-2:20 pm

2 stops15h 35m

$1,151

LondonPortland

STN - PDX

STNPDX

London Stansted

Sun 12/14

8:30 pm-5:00 pm

2 stops28h 30m

Portland

Mon 1/5

2:45 pm-2:20 pm

2 stops15h 35m

$1,228

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 36 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
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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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Alternative routes for Stansted to Washington

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