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Cheap flights from Washington, D.C. to London from £202

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 3/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:30 - 18:05
IAD
-
STN
16h 35m1 stop
Multiple Airlines Logo
07:35 - 17:15
STN
-
IAD
14h 40m1 stop
£433Multiple Airlines
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
12:23 - 11:00
IAD
-
STN
17h 37m2 stops
Multiple Airlines Logo
08:45 - 18:15
STN
-
IAD
13h 30m1 stop
£434Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
Multiple Airlines Logo
19:40 - 20:35
IAD
-
STN
19h 55m2 stops
Multiple Airlines Logo
05:55 - 18:30
STN
-
IAD
17h 35m2 stops
£435Multiple Airlines
Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
06:00 - 19:40
DCA
-
STN
32h 40m3 stops
Multiple Airlines Logo
08:10 - 10:23
STN
-
DCA
31h 13m2 stops
£435Multiple Airlines
Wed, 14 Jan - Tue, 20 Jan
Multiple Airlines Logo
20:30 - 13:05
IAD
-
STN
11h 35m1 stop
Multiple Airlines Logo
06:00 - 18:15
STN
-
IAD
16h 15m1 stop
£436Multiple Airlines
Sat, 7 Mar - Wed, 11 Mar
Multiple Airlines Logo
18:50 - 23:10
DCA
-
STN
23h 20m3 stops
Multiple Airlines Logo
07:30 - 21:58
STN
-
DCA
19h 28m2 stops
£436Multiple Airlines
Tue, 24 Feb - Tue, 3 Mar
Multiple Airlines Logo
18:00 - 17:30
IAD
-
STN
18h 30m2 stops
Multiple Airlines Logo
20:30 - 20:29
STN
-
IAD
28h 59m3 stops
£437Multiple Airlines
Thu, 12 Feb - Mon, 16 Feb
Multiple Airlines Logo
19:40 - 14:15
BWI
-
STN
13h 35m2 stops
Multiple Airlines Logo
08:05 - 18:40
STN
-
BWI
15h 35m2 stops
£437Multiple Airlines
Thu, 8 Jan - Thu, 22 Jan
Multiple Airlines Logo
20:30 - 18:05
IAD
-
STN
16h 35m1 stop
Multiple Airlines Logo
06:00 - 17:15
STN
-
IAD
16h 15m1 stop
£438Multiple Airlines
Thu, 19 Feb - Wed, 25 Feb
Multiple Airlines Logo
19:40 - 23:05
IAD
-
STN
22h 25m2 stops
Multiple Airlines Logo
06:10 - 18:30
STN
-
IAD
17h 20m2 stops
£438Multiple Airlines
Fri, 20 Feb - Fri, 27 Feb

Royal Air Maroc flights from Washington, D.C. to London Stansted Airport

Our best Royal Air Maroc deals on Washington, D.C. to London Stansted Airport flight tickets
Royal Air Maroc
7 Dec
IAD20:45Washington, D.C. Dulles Intl
28h 35m
1 stop
STN06:20London Stansted
10 Dec
STN07:20London Stansted
16h 25m
1 stop
IAD18:45Washington, D.C. Dulles Intl
£489
Find similar
Royal Air Maroc
7 Dec
IAD20:45Washington, D.C. Dulles Intl
28h 35m
1 stop
STN06:20London Stansted
10 Dec
STN07:20London Stansted
16h 25m
1 stop
IAD18:45Washington, D.C. Dulles Intl
£509
Find similar
Royal Air Maroc
7 Dec
IAD20:45Washington, D.C. Dulles Intl
28h 35m
1 stop
STN06:20London Stansted
13 Dec
STN07:20London Stansted
16h 25m
1 stop
IAD18:45Washington, D.C. Dulles Intl
£530
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 4 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

Thu 29/1

20:30-18:05

1 stop16h 35m

London Stansted

Mon 2/2

07:35-17:15

1 stop14h 40m

£433

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 5/3

12:23-11:00

2 stops17h 37m

London Stansted

Thu 12/3

08:45-18:15

1 stop13h 30m

£434

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 16/1

19:40-20:35

2 stops19h 55m

London Stansted

Fri 23/1

05:55-18:30

2 stops17h 35m

£435

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Wed 14/1

06:00-19:40

3 stops32h 40m

London Stansted

Tue 20/1

08:10-10:23

2 stops31h 13m

£435

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sat 7/3

20:30-13:05

1 stop11h 35m

London Stansted

Wed 11/3

06:00-18:15

1 stop16h 15m

£436

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Tue 24/2

18:50-23:10

3 stops23h 20m

London Stansted

Tue 3/3

07:30-21:58

2 stops19h 28m

£436

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 12/2

18:00-17:30

2 stops18h 30m

London Stansted

Mon 16/2

20:30-20:29

3 stops28h 59m

£437

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Thu 8/1

19:40-14:15

2 stops13h 35m

London Stansted

Thu 22/1

08:05-18:40

2 stops15h 35m

£437

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 19/2

20:30-18:05

1 stop16h 35m

London Stansted

Wed 25/2

06:00-17:15

1 stop16h 15m

£438

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 20/2

19:40-23:05

2 stops22h 25m

London Stansted

Fri 27/2

06:10-18:30

2 stops17h 20m

£438

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 45m 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
Dover
Chelmsford
Colchester
Worthing
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.

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