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Cheap flights from Washington, D.C. Dulles Intl Airport to London from £277

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. Dulles Intl Airport to London departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport 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
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
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
Multiple Airlines Logo
19:40 - 15:40
IAD
-
STN
15h 00m2 stops
Multiple Airlines Logo
15:00 - 18:30
STN
-
IAD
32h 30m2 stops
£438Multiple Airlines
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
19:40 - 13:20
IAD
-
STN
12h 40m2 stops
Multiple Airlines Logo
08:30 - 18:30
STN
-
IAD
15h 00m2 stops
£439Multiple Airlines
Fri, 6 Feb - Sun, 8 Feb

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

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport 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

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

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

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 9/1

19:40-15:40

2 stops15h 00m

London Stansted

Sun 11/1

15:00-18:30

2 stops32h 30m

£438

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 6/2

19:40-13:20

2 stops12h 40m

London Stansted

Sun 8/2

08:30-18:30

2 stops15h 00m

£439

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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

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

Fastest flight time

9h 30m

Direct flights

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

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

    The distance between Washington, D.C. Dulles Intl and London Stansted is about 3683.3 mi. A reasonable flight in good conditions will take 9h 30m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl 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.

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Washington, D.C. Dulles Intl Airport from London Stansted 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 Washington, D.C. Dulles Intl Airport to London Stansted Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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?

All flight searches from Washington, D.C. to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to London 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 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

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