Cheap flights from London Stansted Airport to Washington from £400
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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
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 15 July 2025.
Round-trip from | £492 |
---|---|
One-way from | £400 |
Popular in | August |
Cheapest in | January |
Average price | £706 |
Find flight deals from Stansted to Washington
Cheapest flights from Stansted to WashingtonExplore 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 15 July 2025.
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 15 July 2025.
Cheapflights Fare Finder
Customise 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 858,174 searches. Data last updated 15 July 2025.
Use the filters below to find and compare flights from London Stansted Airport to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonSeattle
STN - SEA
STNSEA
London Stansted
Wed 13/8
18:45-16:00
2 stops29h 15m
Seattle/Tacoma Intl
Wed 20/8
19:00-19:50
2 stops16h 50m
LondonPortland
STN - PDX
STNPDX
London Stansted
Sat 20/9
07:50-18:46
3 stops18h 56m
Portland
Sun 28/9
13:45-14:40
2 stops16h 55m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Mon 1/9
22:00-19:14
3 stops29h 14m
LondonPortland
STN - PDX
STNPDX
London Stansted
Sat 11/10
07:10-23:01
3 stops23h 51m
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.
Cheapflights Insights
Everything you need to know about your flight from London Stansted Airport to Washington
Related info for your journey
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Alternative routes for Stansted to Washington
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How does Cheapflights help users find flights from Stansted to Washington?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Stansted to Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Stansted to Washington?
Cheapflights simply makes it quick and affordable to book flights from Stansted to Washington by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Stansted to Washington with no change fees?
Yes, we can. To see specific flights from Stansted to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Stansted to Washington become cheaper?
Not ready to book yet? You can track prices for flights from Stansted to Washington on Cheapflights with our Price Alert feature and get notified when better prices are available.