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$533+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$688
(Mytrip)

One-way from

$533
(Mytrip)

Popular in

August

Cheapest in

January

Average price

$982
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. 15% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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 9/179:05 amSTN - SEA
2 stops19h 24mMultiple Airlines
Mon 9/293:45 pmSEA - STN
2 stops21h 15mMultiple Airlines
Deal found 7/3$688
This Mytrip deal was found by Cheapflights users on 7/2. 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 10/96:55 amSTN - PDX
3 stops37h 53mMultiple Airlines
Mon 10/203:20 pmPDX - STN
2 stops17h 35mMultiple Airlines
Deal found 7/2$795

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 July 3, 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 9/17

9:05 am-8:29 pm

2 stops19h 24m

Seattle/Tacoma Intl

Mon 9/29

3:45 pm-9:00 pm

2 stops21h 15m

$688

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 9/8

6:25 am-11:12 am

3 stops36h 47m

Portland

Mon 9/22

3:20 pm-6:00 pm

2 stops18h 40m

$804

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 8/27

9:30 pm-9:21 am

3 stops43h 51m

$533

LondonPortland

STN - PDX

STNPDX

London Stansted

Tue 9/30

10:05 pm-8:37 pm

2 stops54h 32m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 July is currently the most expensive (average of $390). 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.

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