How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£403 Cheap Flights from London Stansted Airport to Washington, D.C. Reagan-National Airport in 2026/27

Find the cheapest flights from London Stansted Airport to Washington, D.C.

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:20 - 21:59STN London Stansted-DCA Washington, D.C. Reagan-National

18h 39m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

16:05 - 12:05DCA Washington, D.C. Reagan-National-STN London Stansted

15h 00m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

£639Multiple Airlines

Tue, 17 Nov - Tue, 24 Nov

05:55 - 21:59STN London Stansted-DCA Washington, D.C. Reagan-National

21h 04m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

16:00 - 19:25DCA Washington, D.C. Reagan-National-STN London Stansted

22h 25m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

£648Multiple Airlines

Sat, 5 Dec - Mon, 14 Dec

08:20 - 22:38STN London Stansted-DCA Washington, D.C. Reagan-National

19h 18m3 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

16:00 - 12:05DCA Washington, D.C. Reagan-National-STN London Stansted

15h 05m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

£657Multiple Airlines

Tue, 1 Dec - Tue, 8 Dec

08:20 - 21:59STN London Stansted-DCA Washington, D.C. Reagan-National

18h 39m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

16:00 - 12:05DCA Washington, D.C. Reagan-National-STN London Stansted

15h 05m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

£659Multiple Airlines

Tue, 1 Dec - Tue, 8 Dec

08:30 - 21:59STN London Stansted-DCA Washington, D.C. Reagan-National

18h 29m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

16:05 - 11:25DCA Washington, D.C. Reagan-National-STN London Stansted

14h 20m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

£681Multiple Airlines

Wed, 18 Nov - Sat, 28 Nov

20:20 - 15:24STN London Stansted-DCA Washington, D.C. Reagan-National

24h 04m3 stops Madrid Barajas Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

16:05 - 11:25DCA Washington, D.C. Reagan-National-STN London Stansted

14h 20m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

£684Multiple Airlines

Wed, 18 Nov - Sat, 28 Nov

08:20 - 21:59STN London Stansted-DCA Washington, D.C. Reagan-National

18h 39m3 stops Gothenburg Landvetter Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl

11:05 - 13:50DCA Washington, D.C. Reagan-National-STN London Stansted

21h 45m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Gothenburg Landvetter

£713Multiple Airlines

Mon, 16 Nov - Mon, 23 Nov

08:20 - 21:59STN London Stansted-DCA Washington, D.C. Reagan-National

18h 39m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

16:05 - 14:50DCA Washington, D.C. Reagan-National-STN London Stansted

17h 45m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Madrid Barajas

£724Multiple Airlines

Tue, 24 Nov - Sun, 29 Nov

16:35 - 15:24STN London Stansted-DCA Washington, D.C. Reagan-National

27h 49m3 stops Vienna Intl Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

11:05 - 11:55DCA Washington, D.C. Reagan-National-STN London Stansted

19h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

£776Multiple Airlines

Tue, 5 Jan - Mon, 11 Jan

06:15 - 22:38STN London Stansted-DCA Washington, D.C. Reagan-National

21h 23m3 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

16:00 - 12:05DCA Washington, D.C. Reagan-National-STN London Stansted

15h 05m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

£819Multiple Airlines

Thu, 17 Dec - Tue, 5 Jan

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Use the filters below to find and compare flights from London Stansted Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Tue 17/11

08:20-21:59

2 stops18h 39m

Washington, D.C. Reagan-National

Tue 24/11

16:05-12:05

2 stops15h 00m

£639

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Sat 5/12

05:55-21:59

2 stops21h 04m

Washington, D.C. Reagan-National

Mon 14/12

16:00-19:25

2 stops22h 25m

£648

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Tue 1/12

08:20-22:38

3 stops19h 18m

Washington, D.C. Reagan-National

Tue 8/12

16:00-12:05

2 stops15h 05m

£657

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Tue 1/12

08:20-21:59

2 stops18h 39m

Washington, D.C. Reagan-National

Tue 8/12

16:00-12:05

2 stops15h 05m

£659

Fastest return journey

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Wed 18/11

08:30-21:59

2 stops18h 29m

Washington, D.C. Reagan-National

Sat 28/11

16:05-11:25

2 stops14h 20m

£681

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Wed 18/11

20:20-15:24

3 stops24h 04m

Washington, D.C. Reagan-National

Sat 28/11

16:05-11:25

2 stops14h 20m

£684

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Mon 16/11

08:20-21:59

3 stops18h 39m

Washington, D.C. Reagan-National

Mon 23/11

11:05-13:50

3 stops21h 45m

£713

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Tue 24/11

08:20-21:59

2 stops18h 39m

Washington, D.C. Reagan-National

Sun 29/11

16:05-14:50

3 stops17h 45m

£724

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Tue 5/1

16:35-15:24

3 stops27h 49m

Washington, D.C. Reagan-National

Mon 11/1

11:05-11:55

2 stops19h 50m

£776

LondonWashington, D.C.

STN London Stansted - DCA Washington, D.C. Reagan-National

STNDCA

London Stansted

Thu 17/12

06:15-22:38

3 stops21h 23m

Washington, D.C. Reagan-National

Tue 5/1

16:00-12:05

2 stops15h 05m

£819

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

When to book flights from London Stansted Airport to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Stansted Airport to Washington, D.C. Reagan-National Airport (STN to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to Washington, D.C. Reagan-National Airport

Best price found	£403
Direct flights	None

The best one-way flight to Washington, D.C. Reagan-National Airport from London Stansted Airport in the past 72 hours is £403. The best return flight deal from London Stansted Airport to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is £639.

There are no direct flights from London Stansted Airport to Washington, D.C. Reagan-National Airport. There are no popular flight routes from London Stansted Airport to Washington, D.C. Reagan-National Airport.

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Frequently asked questions about flying from London Stansted Airport to Washington, D.C. Reagan-National Airport

How far is London Stansted to Washington, D.C. Reagan-National by plane?
The distance between London Stansted and Washington, D.C. Reagan-National is about 3671.1 mi.
When did momondo last update prices for flights from London Stansted Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from London Stansted Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.
How old do you have to be to fly from London Stansted Airport to Washington, D.C. Reagan-National Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Stansted Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from London Stansted Airport to Washington, D.C. Reagan-National Airport

How do I get Price Alerts for flights from London Stansted Airport to Washington, D.C. Reagan-National Airport?
You can take advantage of momondo’s Price Alerts by first searching for your flights to London Stansted Airport from Washington, D.C. Reagan-National Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from London Stansted Airport to Washington, D.C. Reagan-National Airport with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from London.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

Flights from London to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Washington, D.C.?

Once you have performed a search for London to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.