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.

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.

£270 Cheap Flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport in 2026

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:20 - 14:50

IAD

STN

13h 30m

1 stop

07:00 - 17:00

STN

IAD

15h 00m

1 stop

£490Multiple Airlines

Mon, 20 Apr - Wed, 29 Apr

20:20 - 14:50

IAD

STN

13h 30m

1 stop

07:00 - 17:00

STN

IAD

15h 00m

1 stop

£492Multiple Airlines

Mon, 20 Apr - Wed, 29 Apr

20:20 - 14:50

IAD

STN

13h 30m

1 stop

07:00 - 17:00

STN

IAD

15h 00m

1 stop

£493Multiple Airlines

Mon, 20 Apr - Wed, 29 Apr

20:20 - 00:55

IAD

STN

23h 35m

2 stops

15:40 - 17:00

STN

IAD

30h 20m

2 stops

£494Multiple Airlines

Sun, 19 Apr - Tue, 28 Apr

20:20 - 14:50

IAD

STN

13h 30m

1 stop

07:20 - 17:00

STN

IAD

14h 40m

1 stop

£495Multiple Airlines

Mon, 20 Apr - Thu, 23 Apr

20:20 - 00:55

IAD

STN

23h 35m

2 stops

15:40 - 17:00

STN

IAD

30h 20m

2 stops

£497Multiple Airlines

Sun, 19 Apr - Tue, 28 Apr

20:20 - 14:50

IAD

STN

13h 30m

1 stop

07:20 - 17:00

STN

IAD

14h 40m

1 stop

£497Multiple Airlines

Mon, 20 Apr - Thu, 23 Apr

20:20 - 14:50

IAD

STN

13h 30m

1 stop

07:20 - 17:00

STN

IAD

14h 40m

1 stop

£499Multiple Airlines

Mon, 20 Apr - Thu, 23 Apr

20:20 - 00:55

IAD

STN

23h 35m

3 stops

15:40 - 17:00

STN

IAD

30h 20m

2 stops

£500Multiple Airlines

Sun, 19 Apr - Tue, 28 Apr

20:20 - 20:35

IAD

STN

19h 15m

2 stops

17:25 - 17:00

STN

IAD

28h 35m

2 stops

£501Multiple Airlines

Mon, 20 Apr - Thu, 23 Apr

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 Sept

IAD13:20Washington, D.C. Dulles Intl

15h 35m

1 stop

STN09:55London Stansted

24 Sept

STN17:35London Stansted

23h 00m

1 stop

IAD11:35Washington, D.C. Dulles Intl

£503

Turkish Airlines

17 Sept

IAD13:20Washington, D.C. Dulles Intl

15h 35m

1 stop

STN09:55London Stansted

30 Sept

STN10:50London Stansted

38h 00m

1 stop

IAD19:50Washington, D.C. Dulles Intl

£503

Turkish Airlines

8 Sept

IAD13:20Washington, D.C. Dulles Intl

22h 30m

1 stop

STN16:50London Stansted

29 Sept

STN17:35London Stansted

23h 00m

1 stop

IAD11:35Washington, D.C. Dulles Intl

£504

momondo Fare Finder

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

Cheapest return flight

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 20/4

20:20-14:50

1 stop13h 30m

London Stansted

Wed 29/4

07:00-17:00

1 stop15h 00m

£490

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 20/4

20:20-14:50

1 stop13h 30m

London Stansted

Wed 29/4

07:00-17:00

1 stop15h 00m

£492

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 20/4

20:20-14:50

1 stop13h 30m

London Stansted

Wed 29/4

07:00-17:00

1 stop15h 00m

£493

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 19/4

20:20-00:55

2 stops23h 35m

London Stansted

Tue 28/4

15:40-17:00

2 stops30h 20m

£494

Fastest return journey

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 20/4

20:20-14:50

1 stop13h 30m

London Stansted

Thu 23/4

07:20-17:00

1 stop14h 40m

£495

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 19/4

20:20-00:55

2 stops23h 35m

London Stansted

Tue 28/4

15:40-17:00

2 stops30h 20m

£497

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 20/4

20:20-14:50

1 stop13h 30m

London Stansted

Thu 23/4

07:20-17:00

1 stop14h 40m

£497

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 20/4

20:20-14:50

1 stop13h 30m

London Stansted

Thu 23/4

07:20-17:00

1 stop14h 40m

£499

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 19/4

20:20-00:55

3 stops23h 35m

London Stansted

Tue 28/4

15:40-17:00

2 stops30h 20m

£500

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 20/4

20:20-20:35

2 stops19h 15m

London Stansted

Thu 23/4

17:25-17:00

2 stops28h 35m

£501

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 35m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to London Stansted Airport takes 9h 35m

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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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to London Stansted Airport

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 35m.
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.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to London Stansted Airport

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.

Eastbourne

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Southend-on-Sea

Wembley

Ipswich

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Dover

Folkestone

Ramsgate

Bedford

Chichester

Worthing

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.