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$465+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap 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 December 14, 2025.

This Mytrip deal was found by Cheapflights users on 12/12. 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 12/246:20 amSTN - SEA
2 stops17h 20mMultiple Airlines
Tue 1/65:50 amSEA - STN
3 stops24h 30mMultiple Airlines
Deal found 12/12$997
This Mytrip deal was found by Cheapflights users on 12/13. 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 12/246:20 amSTN - SEA
2 stops17h 20mMultiple Airlines
Wed 12/312:35 pmSEA - STN
2 stops18h 40mMultiple Airlines
Deal found 12/13$1,004
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com 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 12/14$1,204
This Mytrip deal was found by Cheapflights users on 12/13. 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.
Sat 12/136:00 pmSTN - SEA
2 stops31h 05mMultiple Airlines
Sat 1/312:35 pmSEA - STN
2 stops23h 10mMultiple Airlines
Deal found 12/13$1,205
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:30 amSTN - SEA
2 stops32h 39mMultiple Airlines
Fri 1/28:05 pmSEA - STN
1 stop19h 00mMultiple Airlines
Deal found 12/14$1,274
This Booking.com deal was found by Cheapflights users on 12/13. 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.
Tue 12/238:25 pmSTN - SEA
2 stops27h 15mMultiple Airlines
Tue 12/308:10 amSEA - STN
3 stops26h 30mMultiple Airlines
Deal found 12/13$1,326
This Booking.com deal was found by Cheapflights users on 12/13. 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.
Tue 12/238:25 pmSTN - SEA
2 stops27h 15mMultiple Airlines
Mon 12/298:10 amSEA - STN
2 stops31h 45mMultiple Airlines
Deal found 12/13$1,360
This Booking.com deal was found by Cheapflights users on 12/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:10 amSTN - PDX
2 stops34h 15mMultiple Airlines
Mon 12/221:25 pmPDX - STN
2 stops26h 30mMultiple Airlines
Deal found 12/14$2,383

Find flight deals from Stansted to Washington

Keep the following information in mind while searching for Stansted to Washington flight deals. Data was last updated December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$631
(Mytrip)

One-way from

$465
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$853
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.
Search Deals
From London Stansted to Washington
Search Deals
One-way flight from London Stansted to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($110 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 December 2025
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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 December 14, 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 3/2

7:55 pm-7:18 pm

2 stops31h 23m

Seattle/Tacoma Intl

Wed 3/11

9:05 pm-7:35 pm

1 stop15h 30m

$701

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 3/7

6:30 am-7:18 pm

2 stops20h 48m

Seattle/Tacoma Intl

Wed 3/11

9:05 pm-5:50 pm

1 stop13h 45m

$724

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 2/5

6:10 pm-1:20 pm

2 stops27h 10m

Seattle/Tacoma Intl

Thu 2/19

2:00 pm-11:10 pm

2 stops25h 10m

$736

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 1/27

6:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

Tue 2/3

2:35 pm-2:20 pm

2 stops15h 45m

$795

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 1/28

8:30 am-5:00 pm

2 stops16h 30m

Seattle/Tacoma Intl

Wed 2/4

2:35 pm-3:05 pm

2 stops16h 30m

$797

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 1/12

5:55 am-3:40 pm

2 stops17h 45m

Seattle/Tacoma Intl

Mon 1/19

5:40 pm-8:25 pm

2 stops18h 45m

$807

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 4/20

11:10 am-5:15 pm

1 stop38h 05m

Seattle/Tacoma Intl

Fri 4/24

7:10 pm-10:15 am

1 stop31h 05m

$931

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 4/25

11:10 am-5:15 pm

1 stop38h 05m

Seattle/Tacoma Intl

Sat 5/2

7:10 pm-10:15 am

1 stop31h 05m

$958

LondonPortland

STN - PDX

STNPDX

London Stansted

Thu 3/5

6:30 am-9:15 am

3 stops34h 45m

Portland

Fri 3/13

2:25 pm-9:00 pm

2 stops23h 35m

$967

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 1/10

6:55 am-5:00 pm

2 stops18h 05m

Seattle/Tacoma Intl

Thu 1/15

2:35 pm-10:10 pm

2 stops23h 35m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 34 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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Alternative routes for Stansted to Washington

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