Cheap flights from London Stansted Airport to Washington, D.C. from £263
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Stansted to Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 October 2025.
Find flight deals from Stansted to Washington, D.C.
Cheapest flights from Stansted to Washington, D.C.Explore the most affordable flight options available from Stansted to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Explore the most affordable flight options available from Stansted to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from London Stansted Airport to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Mon 8/12
06:30-18:40
2 stops17h 10m
Baltimore/Washington
Fri 12/12
19:40-21:20
2 stops20h 40m
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Fri 12/12
06:30-18:40
2 stops17h 10m
Baltimore/Washington
Mon 15/12
19:40-14:20
2 stops13h 40m
LondonWashington, D.C.
STN - IAD
STNIAD
London Stansted
Mon 1/12
08:30-15:35
1 stop12h 05m
Washington, D.C. Dulles Intl
Mon 8/12
17:05-09:50
1 stop11h 45m
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Thu 11/12
06:30-18:40
2 stops17h 10m
Baltimore/Washington
Sun 14/12
19:40-14:50
2 stops14h 10m
LondonWashington, D.C.
STN - IAD
STNIAD
London Stansted
Thu 4/12
21:20-21:00
2 stops28h 40m
Washington, D.C. Dulles Intl
Mon 8/12
17:30-23:55
2 stops25h 25m
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Sat 17/1
17:20-18:40
2 stops30h 20m
Baltimore/Washington
Sat 24/1
19:40-23:10
2 stops22h 30m
LondonWashington, D.C.
STN - IAD
STNIAD
London Stansted
Sat 22/11
21:00-21:00
2 stops29h 00m
Washington, D.C. Dulles Intl
Tue 2/12
17:30-23:50
2 stops25h 20m
LondonWashington, D.C.
STN - IAD
STNIAD
London Stansted
Wed 19/11
06:00-18:30
2 stops17h 30m
Washington, D.C. Dulles Intl
Sat 29/11
19:40-23:10
2 stops22h 30m
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Sat 15/11
05:55-18:40
2 stops17h 45m
Baltimore/Washington
Sun 16/11
19:40-18:10
2 stops17h 30m
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Thu 12/2
08:45-18:40
2 stops14h 55m
Baltimore/Washington
Sun 15/2
19:40-22:10
2 stops21h 30m
Best time to book a flight from Stansted to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Stansted with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Stansted Airport to Washington, D.C.
What is the cheapest month to book a flight from London Stansted Airport to Washington, D.C.?
Currently, February is the cheapest month in which you can book a flight from London Stansted Airport to Washington, D.C. (average of £227). Flying from London Stansted Airport to Washington, D.C. in August is currently the most expensive (average of £491). 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.
What is the cheapest time of day to fly from STN to WAS?
Find hourly flight availability from Stansted to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 49% on flights from London Stansted Airport to Washington, D.C. by exploring options for tickets in the evening.
What’s the top stopover airport for flights from London Stansted Airport to Washington, D.C.?
Share of one-stop return flights from London Stansted Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 96% of one-stop itineraries from London Stansted Airport to Washington, D.C. on Cheapflights.
What’s the cheapest stopover airport for flights from London Stansted Airport to Washington, D.C.?
Average return fare for one-stop flights from London Stansted Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £406.
What’s the fastest stopover option from London Stansted Airport to Washington, D.C.?
Shortest average travel time for one-stop one-way flights from London Stansted Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 11h 00m.
Which airport typically offers the quickest stopover for flights from London Stansted Airport to Washington, D.C.?
Average stopover duration for one-stop one-way flights from London Stansted Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 31m.
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 17 October 2025.
Read reviews from past customers who have flown with PLAY from London Stansted Airport to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Lisa,Oct 2024
BER - KEF
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Lisa,Oct 2024
BER - KEF
Related info for your journey
Find useful and relevant information for your journey from Stansted to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
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Alternative routes for Stansted to Washington, D.C.
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Stansted to Washington, D.C.
Discover the top airline that operate flights from Stansted to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 October 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Stansted to Washington, D.C.?
When you search for this flight from Stansted to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Stansted to Washington, D.C.?
Cheapflights helps you find that perfect flight to Washington, D.C. from Stansted by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Stansted to Washington, D.C. with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Stansted to Washington, D.C., users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Stansted to Washington, D.C. become cheaper?
Not ready to book yet? You can track prices for flights from Stansted to Washington, D.C. on Cheapflights with our Price Alert feature and get notified when better prices are available.