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Cheap flights from London Stansted Airport to Washington, D.C. from £300

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
STN — WAS
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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 5 November 2025.

Round-trip from

£427

One-way from

£300

Popular in

August

Cheapest in

February

Average price

£433
2/12-9/12
  • 2/12-9/12
  • 2 total stops
  • 27h 45m total
  • London to Washington, D.C.
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12/12
  • 12/12
  • 3 total stops
  • 38h 47m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£89 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 5 November 2025.

Tue 2/1206:30STN - IAD
1 stop18h 00mMultiple Airlines
Tue 9/1217:05IAD - STN
1 stop9h 45mMultiple Airlines
Deal found 4/11£427
Wed 26/1106:30STN - IAD
1 stop14h 05mMultiple Airlines
Sun 30/1121:00IAD - STN
1 stop16h 20mMultiple Airlines
Deal found 3/11£428
Wed 3/1206:30STN - BWI
2 stops17h 10mMultiple Airlines
Wed 10/1219:40BWI - STN
2 stops12h 40mMultiple Airlines
Deal found 2/11£439
Tue 25/1106:30STN - BWI
2 stops17h 10mMultiple Airlines
Sun 30/1119:40BWI - STN
2 stops17h 40mMultiple Airlines
Deal found 3/11£440
Fri 12/1206:30STN - IAD
2 stops17h 00mMultiple Airlines
Mon 15/1219:40IAD - STN
2 stops13h 40mMultiple Airlines
Deal found 4/11£441
Wed 26/1108:30STN - BWI
2 stops15h 10mMultiple Airlines
Sun 30/1119:40BWI - STN
2 stops14h 10mMultiple Airlines
Deal found 3/11£445
Thu 4/1214:35STN - IAD
2 stops35h 25mMultiple Airlines
Thu 11/1217:30IAD - STN
2 stops25h 35mMultiple Airlines
Deal found 4/11£447
Wed 12/1106:30STN - IAD
1 stop14h 05mMultiple Airlines
Thu 20/1117:05IAD - STN
1 stop9h 45mMultiple Airlines
Deal found 4/11£447
Fri 5/1206:30STN - BWI
2 stops17h 10mMultiple Airlines
Sun 14/1219:40BWI - STN
2 stops22h 20mMultiple Airlines
Deal found 3/11£453
Fri 21/1108:30STN - IAD
1 stop12h 05mMultiple Airlines
Sun 23/1121:00IAD - STN
1 stop18h 05mMultiple Airlines
Deal found 3/11£456
Fri 14/1108:30STN - BWI
2 stops15h 10mMultiple Airlines
Mon 17/1119:40BWI - STN
2 stops20h 40mMultiple Airlines
Deal found 4/11£459
Wed 26/1106:30STN - IAD
1 stop18h 00mMultiple Airlines
Mon 1/1217:05IAD - STN
1 stop9h 45mMultiple Airlines
Deal found 4/11£459

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 5 November 2025.
Use the filters below to find and compare flights from London Stansted Airport to Washington, D.C. that are best for you.

Fly from

Stansted

Fly to

Washington, D.C.

Route

Depart

Return

Price

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 11/12

06:30-19:30

1 stop18h 00m

Washington, D.C. Dulles Intl

Mon 15/12

21:00-14:20

1 stop12h 20m

£428

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 3/12

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Wed 10/12

19:40-13:20

2 stops12h 40m

£439

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 25/11

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Sun 30/11

19:40-18:20

2 stops17h 40m

£440

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 5/12

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Sun 14/12

19:40-23:00

2 stops22h 20m

£453

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 26/11

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Sun 30/11

19:40-13:20

2 stops12h 40m

£456

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 26/11

06:30-19:30

1 stop18h 00m

Washington, D.C. Dulles Intl

Mon 1/12

17:05-07:50

1 stop9h 45m

£459

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 3/12

08:30-15:35

1 stop12h 05m

Washington, D.C. Dulles Intl

Wed 10/12

21:00-13:20

1 stop11h 20m

£461

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 11/12

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Mon 15/12

19:40-18:20

2 stops17h 40m

£466

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 27/11

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Sun 30/11

19:40-13:20

2 stops12h 40m

£477

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 6/2

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Tue 10/2

19:40-14:20

2 stops13h 40m

£485

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 43 results
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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 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 £233). Flying from London Stansted Airport to Washington, D.C. in August is currently the most expensive (average of £505). 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 5 November 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 £417.

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 5 November 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.
PLAY
7.0
Good
Check prices

Comfort

6.5

Boarding

7.3

Food

5.5

Entertainment

4.7

Crew

8.0

Overall

7.0

Reviews

1 / 2
4.0
Okay

Lisa,Oct 2024

BER - KEF

I’ll never fly Play again. We were jammed into the tiniest spaces ever and they didn’t even give us water, tea, or coffee without charging. When we were coming in for a landing I thought we might never make it off the plane alive. The worst.
PLAY
7.0
Good
PLAY
7.0
Good
Check prices

Comfort

6.5

Boarding

7.3

Food

5.5

Entertainment

4.7

Crew

8.0

Overall

7.0

Reviews

1 / 2
4.0
Okay

Lisa,Oct 2024

BER - KEF

I’ll never fly Play again. We were jammed into the tiniest spaces ever and they didn’t even give us water, tea, or coffee without charging. When we were coming in for a landing I thought we might never make it off the plane alive. The worst.

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.

  • 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.

  • 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 £233). Flying from London Stansted Airport to Washington, D.C. in August is currently the most expensive (average of £505). 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.

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
Woodbridge
Arlington
Alexandria
College Park

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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£275Average£414FlexibilityNo 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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