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Cheap flights from Washington, D.C. Dulles Intl Airport to London from £195

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 7/1. 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
19:40 - 21:20IAD-STN
20h 40m2 stops
Multiple Airlines Logo
06:30 - 18:30STN-IAD
17h 00m2 stops
£424Multiple Airlines
Find Deal
Mon, 1 Dec - Fri, 5 Dec
Multiple Airlines Logo
09:45 - 22:40IAD-STN
31h 55m2 stops
Multiple Airlines Logo
11:35 - 16:40STN-IAD
34h 05m2 stops
£426Multiple Airlines
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Multiple Airlines Logo
16:30 - 16:05IAD-STN
18h 35m3 stops
Multiple Airlines Logo
07:30 - 20:54STN-IAD
18h 24m2 stops
£426Multiple Airlines
Find Deal
Wed, 19 Nov - Fri, 28 Nov
Multiple Airlines Logo
09:45 - 16:55IAD-STN
26h 10m2 stops
Multiple Airlines Logo
20:55 - 20:05STN-IAD
28h 10m2 stops
£427Multiple Airlines
Find Deal
Mon, 1 Dec - Wed, 10 Dec
Multiple Airlines Logo
19:40 - 21:20IAD-STN
20h 40m2 stops
Multiple Airlines Logo
06:30 - 18:30STN-IAD
17h 00m2 stops
£428Multiple Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
19:40 - 20:05IAD-STN
19h 25m2 stops
Multiple Airlines Logo
06:15 - 18:30STN-IAD
17h 15m2 stops
£429Multiple Airlines
Find Deal
Sun, 16 Nov - Thu, 20 Nov
Multiple Airlines Logo
16:30 - 09:50IAD-STN
12h 20m2 stops
Multiple Airlines Logo
21:45 - 15:50STN-IAD
23h 05m2 stops
£430Multiple Airlines
Find Deal
Tue, 11 Nov - Mon, 17 Nov
Multiple Airlines Logo
16:30 - 20:05IAD-STN
22h 35m2 stops
Multiple Airlines Logo
18:45 - 15:50STN-IAD
26h 05m2 stops
£430Multiple Airlines
Find Deal
Sun, 11 Jan - Tue, 20 Jan
Multiple Airlines Logo
09:45 - 15:00IAD-STN
24h 15m3 stops
Multiple Airlines Logo
20:10 - 20:59STN-IAD
29h 49m3 stops
£431Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Turkish Airlines Logo
14:30 - 09:50IAD-STN
15h 20m1 stop
Turkish Airlines Logo
17:20 - 12:45STN-IAD
23h 25m1 stop
£465Turkish Airlines
Find Deal
Tue, 17 Mar - Tue, 24 Mar

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 30 October 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

Mon 1/12

19:40-21:20

2 stops20h 40m

London Stansted

Fri 5/12

06:30-18:30

2 stops17h 00m

£424

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 24/11

09:45-22:40

2 stops31h 55m

London Stansted

Mon 1/12

11:35-16:40

2 stops34h 05m

£426

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Wed 19/11

16:30-16:05

3 stops18h 35m

London Stansted

Fri 28/11

07:30-20:54

2 stops18h 24m

£426

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 1/12

09:45-16:55

2 stops26h 10m

London Stansted

Wed 10/12

20:55-20:05

2 stops28h 10m

£427

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 15/1

19:40-21:20

2 stops20h 40m

London Stansted

Mon 19/1

06:30-18:30

2 stops17h 00m

£428

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 16/11

19:40-20:05

2 stops19h 25m

London Stansted

Thu 20/11

06:15-18:30

2 stops17h 15m

£429

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 11/11

16:30-09:50

2 stops12h 20m

London Stansted

Mon 17/11

21:45-15:50

2 stops23h 05m

£430

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 11/1

16:30-20:05

2 stops22h 35m

London Stansted

Tue 20/1

18:45-15:50

2 stops26h 05m

£430

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 25/11

09:45-15:00

3 stops24h 15m

London Stansted

Tue 2/12

20:10-20:59

3 stops29h 49m

£431

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 17/3

14:30-09:50

1 stop15h 20m

London Stansted

Tue 24/3

17:20-12:45

1 stop23h 25m

£465

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

Direct flights

None
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.
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  • 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 12h 20m.

  • 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
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Ramsgate
Bedford
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.

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