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Cheap flights from London Stansted Airport to Washington, D.C. from £218

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — WAS
9 Jul — 16 Jul1
1 adult

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 4 July 2025.

Round-trip from

£494

One-way from

£218

Popular in

July

Cheapest in

February

Average price

£635
28/8-31/8
  • 28/8-31/8
  • 2 total stops
  • 31h 10m total
  • London to Washington, D.C.
PLAY
  • PLAY
  • 18/9
  • 1 total stop
  • 11h 00m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 32% potential increase in price (£135 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in July 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 4 July 2025.

Thu 28/808:15STN - IAD
1 stop15h 40mMultiple Airlines
Sun 31/820:25IAD - STN
1 stop15h 30mMultiple Airlines
Deal found 4/7£494
Thu 21/811:40STN - BWI
1 stop11h 00mPLAY
Wed 17/918:50BWI - STN
1 stop10h 50mPLAY
Deal found 1/7£518
Thu 21/806:55STN - BWI
2 stops15h 45mMultiple Airlines
Tue 26/818:50BWI - STN
1 stop10h 50mMultiple Airlines
Deal found 3/7£526

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 4 July 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 28/8

08:15-18:55

1 stop15h 40m

Washington, D.C. Dulles Intl

Sun 31/8

20:25-16:55

1 stop15h 30m

£494

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 21/8

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Wed 17/9

18:50-10:40

1 stop10h 50m

£518

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 21/8

06:55-17:40

2 stops15h 45m

Baltimore/Washington

Tue 26/8

18:50-10:40

1 stop10h 50m

£526

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 18/9

11:40-17:40

1 stop11h 00m

£218

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 7/10

17:25-17:40

2 stops29h 15m

£252

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 1/9

21:50-20:50

3 stops28h 00m

£387

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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, January is the cheapest month in which you can book a flight from London Stansted Airport to Washington, D.C. (average of £599). Flying from London Stansted Airport to Washington, D.C. in July is currently the most expensive (average of £947). 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 4 July 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 17% on flights from London Stansted Airport to Washington, D.C. by exploring options for tickets in the morning.

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 4 July 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

Overall

7.0

Food

5.5

Comfort

6.5

Boarding

7.3

Entertainment

4.7

Crew

8.0

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

Overall

7.0

Food

5.5

Comfort

6.5

Boarding

7.3

Entertainment

4.7

Crew

8.0

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.
  • What is the cheapest airline to fly from London Stansted Airport to Washington, D.C. round-trip?

    Our cheapest airline available from London Stansted Airport to Washington, D.C. is PLAY. Our recent data shows that you can find tickets from as low as £518 on this airline.

  • 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, January is the cheapest month in which you can book a flight from London Stansted Airport to Washington, D.C. (average of £599). Flying from London Stansted Airport to Washington, D.C. in July is currently the most expensive (average of £947). 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 London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Arlington
Woodbridge
College Park
Laurel
Tysons

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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£245Average£375FlexibilityNo 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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