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Cheap flights from London Stansted Airport to Washington, D.C. from £248

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
STN — WAS
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Washington, D.C.

Enter your travel dates to find the best prices.

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 27 March 2026.

Wed 22/406:30
STN
-
IAD
2 stops17h 50m
Multiple Airlines
Wed 29/420:30
IAD
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 25/3£437
Tue 14/406:30
STN
-
IAD
2 stops17h 50m
Multiple Airlines
Tue 21/420:30
IAD
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 24/3£453
Thu 16/407:20
STN
-
IAD
1 stop14h 40m
Multiple Airlines
Mon 20/420:20
IAD
-
STN
1 stop13h 30m
Multiple Airlines
Deal found 24/3£456
Thu 16/407:20
STN
-
IAD
2 stops17h 00m
Multiple Airlines
Sun 19/420:30
IAD
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 23/3£459
Tue 21/407:10
STN
-
IAD
2 stops17h 10m
Multiple Airlines
Tue 28/420:30
IAD
-
STN
2 stops22h 40m
Multiple Airlines
Deal found 24/3£461
Thu 30/406:30
STN
-
IAD
2 stops17h 50m
Multiple Airlines
Wed 6/520:30
IAD
-
STN
2 stops19h 50m
Multiple Airlines
Deal found 25/3£462
Thu 9/406:30
STN
-
IAD
2 stops17h 50m
Multiple Airlines
Tue 14/420:30
IAD
-
STN
2 stops18h 05m
Multiple Airlines
Deal found 26/3£465
Tue 21/406:30
STN
-
BWI
2 stops17h 55m
Multiple Airlines
Tue 28/420:30
BWI
-
STN
2 stops18h 05m
Multiple Airlines
Deal found 26/3£486
Thu 21/506:30
STN
-
BWI
2 stops20h 45m
Multiple Airlines
Tue 26/520:30
BWI
-
STN
2 stops18h 05m
Multiple Airlines
Deal found 25/3£493
Fri 17/409:00
STN
-
BWI
2 stops15h 25m
Multiple Airlines
Tue 28/420:30
BWI
-
STN
2 stops14h 30m
Multiple Airlines
Deal found 24/3£508
Wed 15/408:05
STN
-
BWI
2 stops16h 20m
Multiple Airlines
Sun 19/420:30
BWI
-
STN
2 stops18h 05m
Multiple Airlines
Deal found 23/3£510
Mon 20/408:15
STN
-
BWI
2 stops16h 10m
Multiple Airlines
Fri 24/420:30
BWI
-
STN
2 stops19h 40m
Multiple Airlines
Deal found 23/3£511

Find 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 27 March 2026.

Round-trip from

£437

One-way from

£248

Popular in

July

Cheapest in

February

Average price

£522
22/4-29/4
  • 22/4-29/4
  • 4 total stops
  • 39h 40m total
  • London to Washington, D.C.
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28/4
  • 28/4
  • 3 total stops
  • 51h 52m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Washington, D.C. 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 27 March 2026.
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

Cheapest return flight

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 21/4

12:30-22:20

3 stops38h 50m

Baltimore/Washington

Tue 28/4

20:30-00:10

2 stops22h 40m

£510

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 11/6

06:30-19:25

2 stops17h 55m

Baltimore/Washington

Sun 14/6

20:30-22:20

2 stops20h 50m

£559

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Mon 4/5

08:15-19:25

2 stops16h 10m

Baltimore/Washington

Thu 7/5

20:30-00:30

2 stops23h 00m

£559

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 23/4

06:00-22:20

3 stops45h 20m

Baltimore/Washington

Fri 1/5

20:30-16:05

2 stops14h 35m

£562

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Sat 9/5

07:25-22:15

2 stops19h 50m

Baltimore/Washington

Sat 16/5

20:30-23:15

2 stops21h 45m

£564

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 7/5

06:00-21:26

3 stops44h 26m

Baltimore/Washington

Thu 14/5

23:20-22:45

2 stops18h 25m

£569

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Mon 13/4

13:10-19:25

2 stops35h 15m

Baltimore/Washington

Fri 17/4

20:30-15:25

2 stops13h 55m

£578

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 12/5

11:35-19:25

2 stops12h 50m

Baltimore/Washington

Sat 16/5

20:30-00:25

2 stops22h 55m

£586

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 22/4

21:30-22:20

3 stops29h 50m

Baltimore/Washington

Mon 27/4

20:30-18:50

2 stops17h 20m

£589

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 22/4

06:55-11:35

1 stop33h 40m

Washington, D.C. Dulles Intl

Fri 8/5

21:45-22:10

1 stop19h 25m

£658

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 43 resultsSorted by cheapest first
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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.
Estimated return 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, D.C.

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 67% 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 £841.

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 33m.

How often are flights from London to Washington, D.C. delayed?

About 0% of weekly flights between London and Washington, D.C. have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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.

  • How long is the flight from London Stansted Airport to Washington, D.C.?

    There are many flights that can get you from London Stansted Airport to Washington, D.C. in 33h 40m. Fly via Turkish Airlines to get the fastest option. The distance between London Stansted Airport and Washington, D.C. is about 3683 mi.

  • Can I find deals for flights from Stansted to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Stansted to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Washington, D.C..

  • Can I find deals for business class flights from Stansted to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Stansted to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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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 27 March 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£322Average£488FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights

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.

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