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Cheap flights from Washington, D.C. to London from £221

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Washington, D.C. to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:55 - 22:35
IAD
-
STN
18h 40m2 stops
Multiple Airlines Logo
08:30 - 20:54
STN
-
IAD
17h 24m2 stops
£427Multiple Airlines
Sun, 11 Jan - Sun, 18 Jan
Multiple Airlines Logo
19:40 - 15:45
IAD
-
STN
15h 05m2 stops
Multiple Airlines Logo
07:35 - 18:30
STN
-
IAD
15h 55m2 stops
£429Multiple Airlines
Mon, 23 Feb - Mon, 2 Mar
Multiple Airlines Logo
11:05 - 23:55
DCA
-
STN
31h 50m3 stops
Multiple Airlines Logo
15:40 - 15:33
STN
-
DCA
28h 53m3 stops
£429Multiple Airlines
Mon, 26 Jan - Mon, 2 Feb
Multiple Airlines Logo
19:40 - 15:45
IAD
-
STN
15h 05m2 stops
Multiple Airlines Logo
13:50 - 18:30
STN
-
IAD
33h 40m2 stops
£430Multiple Airlines
Mon, 2 Mar - Fri, 6 Mar
Multiple Airlines Logo
19:40 - 15:25
IAD
-
STN
14h 45m2 stops
Multiple Airlines Logo
07:15 - 18:30
STN
-
IAD
16h 15m2 stops
£432Multiple Airlines
Sat, 10 Jan - Sat, 17 Jan
Multiple Airlines Logo
19:40 - 23:05
IAD
-
STN
22h 25m2 stops
Multiple Airlines Logo
05:55 - 18:30
STN
-
IAD
17h 35m2 stops
£432Multiple Airlines
Fri, 20 Feb - Tue, 24 Feb
Multiple Airlines Logo
20:40 - 15:45
IAD
-
STN
15h 05m2 stops
Multiple Airlines Logo
13:50 - 19:30
STN
-
IAD
33h 40m2 stops
£434Multiple Airlines
Mon, 9 Mar - Fri, 13 Mar
Multiple Airlines Logo
19:40 - 22:20
BWI
-
STN
21h 40m2 stops
Multiple Airlines Logo
07:50 - 18:40
STN
-
BWI
15h 50m2 stops
£434Multiple Airlines
Sat, 31 Jan - Fri, 6 Feb
Multiple Airlines Logo
12:23 - 13:00
IAD
-
STN
19h 37m2 stops
Multiple Airlines Logo
06:00 - 17:15
STN
-
IAD
16h 15m1 stop
£435Multiple Airlines
Wed, 18 Feb - Wed, 25 Feb
Multiple Airlines Logo
19:40 - 22:15
IAD
-
STN
21h 35m2 stops
Multiple Airlines Logo
12:20 - 18:30
STN
-
IAD
35h 10m2 stops
£436Multiple Airlines
Wed, 7 Jan - Mon, 12 Jan

Turkish Airlines flights from Washington, D.C. to London Stansted Airport

Our best Turkish Airlines deals on Washington, D.C. to London Stansted Airport flight tickets
Turkish Airlines
17 Mar
IAD14:30Washington, D.C. Dulles Intl
15h 20m
1 stop
STN09:50London Stansted
24 Mar
STN17:20London Stansted
23h 25m
1 stop
IAD12:45Washington, D.C. Dulles Intl
£477
Find similar
Turkish Airlines
19 Mar
IAD22:15Washington, D.C. Dulles Intl
31h 35m
1 stop
STN09:50London Stansted
23 Mar
STN10:50London Stansted
29h 55m
1 stop
IAD12:45Washington, D.C. Dulles Intl
£482
Find similar
Turkish Airlines
18 Mar
IAD14:30Washington, D.C. Dulles Intl
21h 50m
1 stop
STN16:20London Stansted
24 Mar
STN17:20London Stansted
23h 25m
1 stop
IAD12:45Washington, D.C. Dulles Intl
£483
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to London Stansted Airport 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, momondo users made 279,928 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Washington, D.C. to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 11/1

22:55-22:35

2 stops18h 40m

London Stansted

Sun 18/1

08:30-20:54

2 stops17h 24m

£427

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 23/2

19:40-15:45

2 stops15h 05m

London Stansted

Mon 2/3

07:35-18:30

2 stops15h 55m

£429

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Mon 26/1

11:05-23:55

3 stops31h 50m

London Stansted

Mon 2/2

15:40-15:33

3 stops28h 53m

£429

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 2/3

19:40-15:45

2 stops15h 05m

London Stansted

Fri 6/3

13:50-18:30

2 stops33h 40m

£430

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sat 10/1

19:40-15:25

2 stops14h 45m

London Stansted

Sat 17/1

07:15-18:30

2 stops16h 15m

£432

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 20/2

19:40-23:05

2 stops22h 25m

London Stansted

Tue 24/2

05:55-18:30

2 stops17h 35m

£432

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 9/3

20:40-15:45

2 stops15h 05m

London Stansted

Fri 13/3

13:50-19:30

2 stops33h 40m

£434

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Sat 31/1

19:40-22:20

2 stops21h 40m

London Stansted

Fri 6/2

07:50-18:40

2 stops15h 50m

£434

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Wed 18/2

12:23-13:00

2 stops19h 37m

London Stansted

Wed 25/2

06:00-17:15

1 stop16h 15m

£435

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Wed 7/1

19:40-22:15

2 stops21h 35m

London Stansted

Mon 12/1

12:20-18:30

2 stops35h 10m

£436

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Washington, D.C. to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to London Stansted Airport?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in London Stansted Airport you fly into. For example, flying from Baltimore to London Heathrow Airport takes 7h 05m on average. On the other hand, flying from Washington, D.C. to London Heathrow Airport takes 8h 12m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to London Stansted Airport (WAS to STN) flight deals and tips

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

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from Washington, D.C. to London Stansted Airport takes 9h 30m
There are no direct flights from Washington, D.C. to London Stansted Airport. There are no popular flight routes from Washington, D.C. to London Stansted Airport.
Search flight deals

  • How far is Washington, D.C. to London Stansted by plane?

    London Stansted is 3668.5 mi away from Washington, D.C.. 9h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to London Stansted Airport?

    Prices for flights from Washington, D.C. to London Stansted Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to London Stansted Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to London Stansted Airport.

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

    The travel and health documents you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

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. momondo enables you to select and highlight flights to London from Washington, D.C. with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to London.

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.

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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