How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

What documentation or ID do you need to fly to London Stansted Airport?

The travel and health documents required for your trip to London Stansted 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 London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£245 Cheap Flights from Washington, D.C. Reagan-National Airport to London Stansted Airport in 2026/27

Find the cheapest flights from Washington, D.C. Reagan-National Airport to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:40 - 16:00DCA Washington, D.C. Reagan-National-STN London Stansted

25h 20m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

20:45 - 22:34STN London Stansted-DCA Washington, D.C. Reagan-National

30h 49m3 stops Madrid Barajas Brussels Bruxelles-National Toronto Pearson Intl

£407Multiple Airlines

Tue, 29 Sep - Mon, 5 Oct

11:00 - 16:00DCA Washington, D.C. Reagan-National-STN London Stansted

24h 00m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Madrid Barajas

20:45 - 18:15STN London Stansted-DCA Washington, D.C. Reagan-National

26h 30m3 stops Madrid Barajas Brussels Bruxelles-National Toronto Pearson Intl

£415Multiple Airlines

Tue, 29 Sep - Mon, 5 Oct

16:00 - 19:45DCA Washington, D.C. Reagan-National-STN London Stansted

22h 45m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

18:10 - 15:24STN London Stansted-DCA Washington, D.C. Reagan-National

26h 14m3 stops Madrid Barajas Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

£513Multiple Airlines

Tue, 1 Dec - Thu, 10 Dec

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

19h 50m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

07:45 - 21:59STN London Stansted-DCA Washington, D.C. Reagan-National

19h 14m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

£518Multiple Airlines

Wed, 11 Nov - Sun, 15 Nov

16:00 - 16:10DCA Washington, D.C. Reagan-National-STN London Stansted

19h 10m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Madrid Barajas

08:30 - 22:38STN London Stansted-DCA Washington, D.C. Reagan-National

19h 08m3 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£522Multiple Airlines

Wed, 6 Jan - Wed, 13 Jan

11:00 - 21:20DCA Washington, D.C. Reagan-National-STN London Stansted

29h 20m2 stops Toronto Pearson Intl Dublin

22:00 - 19:59STN London Stansted-DCA Washington, D.C. Reagan-National

26h 59m2 stops Dublin Toronto Pearson Intl

£522Multiple Airlines

Thu, 15 Oct - Tue, 20 Oct

16:00 - 16:10DCA Washington, D.C. Reagan-National-STN London Stansted

19h 10m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

07:45 - 22:38STN London Stansted-DCA Washington, D.C. Reagan-National

19h 53m3 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£525Multiple Airlines

Wed, 11 Nov - Sun, 15 Nov

09:40 - 19:25DCA Washington, D.C. Reagan-National-STN London Stansted

28h 45m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

20:45 - 22:34STN London Stansted-DCA Washington, D.C. Reagan-National

30h 49m3 stops Madrid Barajas Brussels Bruxelles-National Toronto Pearson Intl

£525Multiple Airlines

Fri, 16 Oct - Mon, 19 Oct

09:40 - 14:05DCA Washington, D.C. Reagan-National-STN London Stansted

23h 25m2 stops Toronto Pearson Intl Dublin

20:25 - 18:18STN London Stansted-DCA Washington, D.C. Reagan-National

26h 53m2 stops Dublin Toronto Pearson Intl

£539Multiple Airlines

Mon, 4 Jan - Sat, 9 Jan

06:00 - 14:15DCA Washington, D.C. Reagan-National-STN London Stansted

27h 15m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

06:30 - 10:20STN London Stansted-DCA Washington, D.C. Reagan-National

32h 50m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£542Multiple Airlines

Fri, 25 Sep - Tue, 29 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:40 - 18:30DCA Washington, D.C. Reagan-National-STN London Stansted

27h 50m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Madrid Barajas

20:45 - 19:59STN London Stansted-DCA Washington, D.C. Reagan-National

28h 14m3 stops Madrid Barajas Brussels Bruxelles-National Toronto Pearson Intl

£555Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

06:59 - 23:10DCA Washington, D.C. Reagan-National-STN London Stansted

35h 11m3 stops Toronto Pearson Intl Madrid Barajas Istanbul Sabiha Gokcen

08:20 - 19:59STN London Stansted-DCA Washington, D.C. Reagan-National

16h 39m2 stops Madrid Barajas Toronto Pearson Intl

£690Multiple Airlines

Sun, 20 Sep - Wed, 30 Sep

16:20 - 11:35DCA Washington, D.C. Reagan-National-STN London Stansted

14h 15m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

22:45 - 15:40STN London Stansted-DCA Washington, D.C. Reagan-National

21h 55m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£695Multiple Airlines

Wed, 16 Sep - Mon, 21 Sep

06:59 - 14:20DCA Washington, D.C. Reagan-National-STN London Stansted

26h 21m2 stops Toronto Pearson Intl Madrid Barajas

07:35 - 21:50STN London Stansted-DCA Washington, D.C. Reagan-National

19h 15m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

£711Multiple Airlines

Wed, 16 Sep - Sun, 20 Sep

16:20 - 11:35DCA Washington, D.C. Reagan-National-STN London Stansted

14h 15m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

22:45 - 15:40STN London Stansted-DCA Washington, D.C. Reagan-National

21h 55m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£737Multiple Airlines

Wed, 16 Sep - Mon, 21 Sep

12:55 - 11:35DCA Washington, D.C. Reagan-National-STN London Stansted

17h 40m3 stops Ottawa Montreal Pierre Elliott Trudeau Intl Dublin

22:45 - 15:40STN London Stansted-DCA Washington, D.C. Reagan-National

21h 55m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£739Multiple Airlines

Wed, 16 Sep - Mon, 21 Sep

12:55 - 19:20DCA Washington, D.C. Reagan-National-STN London Stansted

25h 25m3 stops Ottawa Montreal Pierre Elliott Trudeau Intl Dublin

22:45 - 15:40STN London Stansted-DCA Washington, D.C. Reagan-National

21h 55m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£757Multiple Airlines

Fri, 18 Sep - Mon, 21 Sep

06:59 - 23:10DCA Washington, D.C. Reagan-National-STN London Stansted

35h 11m3 stops Toronto Pearson Intl Madrid Barajas Istanbul Sabiha Gokcen

20:45 - 22:34STN London Stansted-DCA Washington, D.C. Reagan-National

30h 49m3 stops Madrid Barajas Brussels Bruxelles-National Toronto Pearson Intl

£779Multiple Airlines

Sun, 20 Sep - Mon, 28 Sep

09:40 - 12:50DCA Washington, D.C. Reagan-National-STN London Stansted

22h 10m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

22:00 - 19:59STN London Stansted-DCA Washington, D.C. Reagan-National

26h 59m2 stops Dublin Toronto Pearson Intl

£799Multiple Airlines

Wed, 16 Sep - Sat, 19 Sep

06:59 - 16:50DCA Washington, D.C. Reagan-National-STN London Stansted

28h 51m2 stops Toronto Pearson Intl Madrid Barajas

20:45 - 22:34STN London Stansted-DCA Washington, D.C. Reagan-National

30h 49m3 stops Madrid Barajas Brussels Bruxelles-National Toronto Pearson Intl

£802Multiple Airlines

Sun, 20 Sep - Mon, 28 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Tue 29/9

09:40-16:00

2 stops25h 20m

London Stansted

Mon 5/10

20:45-22:34

3 stops30h 49m

£407

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Tue 29/9

11:00-16:00

3 stops24h 00m

London Stansted

Mon 5/10

20:45-18:15

3 stops26h 30m

£415

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Tue 1/12

16:00-19:45

2 stops22h 45m

London Stansted

Thu 10/12

18:10-15:24

3 stops26h 14m

£513

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Wed 11/11

11:05-11:55

2 stops19h 50m

London Stansted

Sun 15/11

07:45-21:59

2 stops19h 14m

£518

Fastest return journey

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Wed 6/1

16:00-16:10

3 stops19h 10m

London Stansted

Wed 13/1

08:30-22:38

3 stops19h 08m

£522

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Thu 15/10

11:00-21:20

2 stops29h 20m

London Stansted

Tue 20/10

22:00-19:59

2 stops26h 59m

£522

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Wed 11/11

16:00-16:10

2 stops19h 10m

London Stansted

Sun 15/11

07:45-22:38

3 stops19h 53m

£525

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Fri 16/10

09:40-19:25

2 stops28h 45m

London Stansted

Mon 19/10

20:45-22:34

3 stops30h 49m

£525

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Mon 4/1

09:40-14:05

2 stops23h 25m

London Stansted

Sat 9/1

20:25-18:18

2 stops26h 53m

£539

Washington, D.C.London

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

DCASTN

Washington, D.C. Reagan-National

Fri 25/9

06:00-14:15

2 stops27h 15m

London Stansted

Tue 29/9

06:30-10:20

2 stops32h 50m

£542

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

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

Estimated return price

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

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

Best price found	£245
Fastest flight time	14h 30m
Direct flights	None

The best one-way flight to London Stansted Airport from Washington, D.C. Reagan-National Airport in the past 72 hours is £245. The best return flight deal from Washington, D.C. Reagan-National Airport to London Stansted Airport found on momondo in the last 72 hours is £407.

The fastest flight from Washington, D.C. Reagan-National Airport to London Stansted Airport takes 14h 30m

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

Search flight deals

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

How far is Washington, D.C. Reagan-National to London Stansted by plane?
The straight-line distance from Washington, D.C. Reagan-National to London Stansted is 3671.1 mi. 14h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to London Stansted Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to London Stansted Airport are refreshed on a daily basis.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to London Stansted 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 Washington, D.C. Reagan-National Airport to London Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The travel and health documents required for your trip to London Stansted 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 London Stansted 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 Washington, D.C. Reagan-National Airport to London Stansted Airport

How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to London Stansted Airport?
Confirm your travel details to search for the latest offers for flights from Washington, D.C. Reagan-National Airport to London Stansted Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Washington, D.C. Reagan-National Airport to London Stansted Airport with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

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

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 London from Washington, D.C..

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

Yes. All flights to London from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Washington, D.C. and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Washington, D.C. to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.