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Cheap flights from London Stansted Airport to Washington, D.C. from £275

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — WAS
11 May — 18 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 11 April 2026.

Thu 23/407:00
STN
-
IAD
2 stops17h 20m
Multiple Airlines
Mon 27/420:30
IAD
-
STN
2 stops22h 50m
Multiple Airlines
Deal found 7/4£418
Thu 23/408:30
STN
-
IAD
2 stops15h 50m
Multiple Airlines
Wed 29/420:30
IAD
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 7/4£423
Thu 7/506:30
STN
-
IAD
2 stops17h 50m
Multiple Airlines
Mon 11/520:30
IAD
-
STN
2 stops19h 50m
Multiple Airlines
Deal found 8/4£434
Fri 8/506:35
STN
-
IAD
2 stops17h 45m
Multiple Airlines
Mon 11/520:30
IAD
-
STN
2 stops19h 50m
Multiple Airlines
Deal found 8/4£441
Mon 4/506:30
STN
-
IAD
2 stops17h 50m
Multiple Airlines
Mon 11/520:30
IAD
-
STN
2 stops19h 50m
Multiple Airlines
Deal found 6/4£443
Thu 28/522:05
STN
-
IAD
2 stops29h 10m
Multiple Airlines
Tue 2/620:30
IAD
-
STN
2 stops22h 40m
Multiple Airlines
Deal found 8/4£444
Wed 15/415:00
STN
-
IAD
2 stops33h 20m
Multiple Airlines
Sun 19/420:30
IAD
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 8/4£456
Fri 17/406:35
STN
-
BWI
2 stops17h 50m
Multiple Airlines
Sun 19/420:30
BWI
-
STN
2 stops19h 50m
Multiple Airlines
Deal found 9/4£480
Thu 7/508:30
STN
-
BWI
2 stops15h 55m
Multiple Airlines
Mon 11/520:30
BWI
-
STN
2 stops15h 35m
Multiple Airlines
Deal found 8/4£492
Tue 2/607:10
STN
-
BWI
2 stops20h 05m
Multiple Airlines
Tue 9/623:20
BWI
-
STN
2 stops19h 50m
Multiple Airlines
Deal found 7/4£493
Thu 23/417:35
STN
-
BWI
2 stops30h 50m
Multiple Airlines
Mon 27/420:30
BWI
-
STN
2 stops17h 20m
Multiple Airlines
Deal found 9/4£498
Fri 8/508:30
STN
-
BWI
2 stops15h 55m
Multiple Airlines
Mon 11/520:30
BWI
-
STN
2 stops17h 55m
Multiple Airlines
Deal found 9/4£501

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 11 April 2026.

Round-trip from

£418

One-way from

£275

Popular in

July

Cheapest in

February

Average price

£518
23/4-27/4
  • 23/4-27/4
  • 4 total stops
  • 40h 10m total
  • London to Washington, D.C.
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 47h 26m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 11 April 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 2/6

07:10-22:15

2 stops20h 05m

Baltimore/Washington

Tue 9/6

20:30-00:10

2 stops22h 40m

£492

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 8/5

08:30-19:25

2 stops15h 55m

Baltimore/Washington

Mon 11/5

20:30-19:25

2 stops17h 55m

£501

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 29/4

08:55-19:25

2 stops15h 30m

Baltimore/Washington

Mon 4/5

20:30-22:50

2 stops21h 20m

£504
Fastest return journey

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 22/4

06:30-19:25

2 stops17h 55m

Baltimore/Washington

Sat 25/4

20:30-14:30

2 stops13h 00m

£504

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 21/4

07:55-21:04

3 stops42h 09m

Baltimore/Washington

Thu 30/4

14:30-00:30

3 stops29h 00m

£538

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Mon 4/5

05:55-23:29

3 stops46h 34m

Baltimore/Washington

Thu 14/5

23:20-00:30

2 stops20h 10m

£545

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 1/5

06:20-19:25

2 stops18h 05m

Baltimore/Washington

Mon 4/5

20:30-16:50

2 stops15h 20m

£547

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 8/5

11:35-23:29

3 stops40h 54m

Baltimore/Washington

Thu 14/5

23:20-00:30

2 stops20h 10m

£547

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 22/4

09:55-19:25

2 stops14h 30m

Baltimore/Washington

Mon 27/4

20:30-22:50

2 stops21h 20m

£551

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 21/4

07:55-21:04

3 stops42h 09m

Baltimore/Washington

Sat 25/4

20:30-00:25

2 stops22h 55m

£578

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 42 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.

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 17h 55m. 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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£319Average£490FlexibilityNo 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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