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Cheap flights from London Stansted Airport to Washington, D.C. from £334

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — WAS
24 Aug — 31 Aug1
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 25 July 2026.

Mon 28/916:25
STN
-
IAD
1 stop32h 00m
Lufthansa
Tue 6/1022:20
IAD
-
STN
1 stop12h 15m
Lufthansa
Deal found 22/7£453
Thu 3/914:45
STN
-
IAD
2 stops34h 50m
Multiple Airlines
Tue 15/922:35
IAD
-
STN
2 stops17h 25m
Multiple Airlines
Deal found 24/7£468
Fri 18/911:35
STN
-
IAD
2 stops32h 35m
Multiple Airlines
Thu 1/1017:45
IAD
-
STN
2 stops25h 10m
Multiple Airlines
Deal found 24/7£471
Wed 2/921:30
STN
-
IAD
2 stops28h 05m
Multiple Airlines
Tue 8/922:35
IAD
-
STN
2 stops17h 25m
Multiple Airlines
Deal found 24/7£474
Thu 27/806:30
STN
-
IAD
3 stops37h 54m
Multiple Airlines
Wed 9/920:30
IAD
-
STN
2 stops18h 50m
Multiple Airlines
Deal found 23/7£487
Wed 26/806:30
STN
-
IAD
3 stops37h 54m
Multiple Airlines
Wed 9/920:30
IAD
-
STN
2 stops18h 50m
Multiple Airlines
Deal found 24/7£492
Wed 26/806:30
STN
-
IAD
3 stops37h 54m
Multiple Airlines
Mon 31/820:30
IAD
-
STN
3 stops21h 50m
Multiple Airlines
Deal found 23/7£497
Tue 6/1012:30
STN
-
IAD
2 stops35h 30m
Multiple Airlines
Tue 20/1020:30
IAD
-
STN
2 stops22h 40m
Multiple Airlines
Deal found 24/7£498
Fri 11/906:35
STN
-
BWI
2 stops17h 50m
Multiple Airlines
Tue 15/920:30
BWI
-
STN
2 stops20h 50m
Multiple Airlines
Deal found 24/7£499
Thu 17/916:25
STN
-
IAD
2 stops26h 10m
Lufthansa
Wed 30/922:20
IAD
-
STN
1 stop12h 15m
Lufthansa
Deal found 23/7£506
Mon 7/906:30
STN
-
IAD
1 stop17h 55m
Multiple Airlines
Mon 14/917:15
IAD
-
STN
1 stop11h 35m
Multiple Airlines
Deal found 24/7£510
Wed 18/1118:50
STN
-
BWI
2 stops28h 50m
Multiple Airlines
Thu 26/1119:40
BWI
-
STN
2 stops16h 45m
Multiple Airlines
Deal found 24/7£570

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 25 July 2026.

Round-trip from

£453

One-way from

£334

Popular in

June

Cheapest in

February

Average price

£572
Lufthansa
  • Lufthansa
  • 28/9-6/10
  • 2 total stops
  • 44h 15m total
  • London to Washington, D.C.
Search Deals
19/9
  • 19/9
  • 2 total stops
  • 17h 55m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 25 July 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

Fri 11/9

06:35-19:25

2 stops17h 50m

Baltimore/Washington

Tue 15/9

20:30-22:20

2 stops20h 50m

£499

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 29/9

10:35-22:15

2 stops16h 40m

Baltimore/Washington

Sat 10/10

20:30-00:05

2 stops22h 35m

£572

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Sat 21/11

06:35-18:40

2 stops17h 05m

Baltimore/Washington

Fri 27/11

19:40-23:15

2 stops22h 35m

£598

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 18/11

07:15-18:40

2 stops16h 25m

Baltimore/Washington

Sat 28/11

19:40-15:30

2 stops14h 50m

£672

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 8/10

17:35-19:45

1 stop31h 10m

Washington, D.C. Dulles Intl

Tue 13/10

21:40-16:40

1 stop38h 00m

£686

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 7/10

17:45-19:50

1 stop31h 05m

Washington, D.C. Dulles Intl

Mon 12/10

21:45-22:10

1 stop19h 25m

£687

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 3/12

10:55-11:45

1 stop29h 50m

Washington, D.C. Dulles Intl

Sun 6/12

13:30-09:55

1 stop15h 25m

£696

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Fri 18/9

10:50-11:30

1 stop29h 40m

Washington, D.C. Dulles Intl

Mon 21/9

13:15-22:10

1 stop27h 55m

£697

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Fri 2/10

10:50-19:50

1 stop38h 00m

Washington, D.C. Dulles Intl

Tue 13/10

13:20-09:55

1 stop15h 35m

£699

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Sun 22/11

10:55-11:45

1 stop29h 50m

Washington, D.C. Dulles Intl

Sun 29/11

21:20-16:20

1 stop38h 00m

£709

Flights are sorted by cheapest return flights first.

Deals found on 22/7

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.

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 31h 10m. 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
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Alexandria

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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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