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Cheap flights from Washington, D.C. Dulles Intl Airport to London from £299

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 23/6. 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
1 adult, Economy, 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
17:15 - 07:50
IAD
-
STN
9h 35m
1 stop
Multiple Airlines Logo
06:30 - 15:45
STN
-
IAD
14h 15m
1 stop
£662Multiple Airlines
Thu, 23 Jul - Tue, 28 Jul
Multiple Airlines Logo
20:25 - 16:00
IAD
-
STN
14h 35m
1 stop
Multiple Airlines Logo
09:10 - 18:50
STN
-
IAD
14h 40m
1 stop
£662Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
20:30 - 00:10
IAD
-
STN
22h 40m
2 stops
Multiple Airlines Logo
08:10 - 15:10
STN
-
IAD
36h 00m
2 stops
£663Multiple Airlines
Tue, 14 Jul - Mon, 20 Jul
Turkish Airlines Logo
21:45 - 16:40
IAD
-
STN
37h 55m
1 stop
Turkish Airlines Logo
17:35 - 11:35
STN
-
IAD
23h 00m
1 stop
£664Turkish Airlines
Fri, 11 Sep - Thu, 17 Sep
Multiple Airlines Logo
09:55 - 21:20
IAD
-
STN
30h 25m
2 stops
Multiple Airlines Logo
22:45 - 15:01
STN
-
IAD
21h 16m
2 stops
£665Multiple Airlines
Fri, 17 Jul - Mon, 20 Jul
Multiple Airlines Logo
09:55 - 22:50
IAD
-
STN
31h 55m
2 stops
Multiple Airlines Logo
22:10 - 20:24
STN
-
IAD
27h 14m
2 stops
£665Multiple Airlines
Wed, 8 Jul - Sun, 12 Jul
Multiple Airlines Logo
15:45 - 19:20
IAD
-
STN
22h 35m
2 stops
Multiple Airlines Logo
06:35 - 15:24
STN
-
IAD
13h 49m
2 stops
£666Multiple Airlines
Fri, 17 Jul - Sun, 26 Jul
Multiple Airlines Logo
09:55 - 10:40
IAD
-
STN
19h 45m
2 stops
Multiple Airlines Logo
22:45 - 21:26
STN
-
IAD
27h 41m
2 stops
£667Multiple Airlines
Mon, 29 Jun - Wed, 1 Jul
Multiple Airlines Logo
16:20 - 12:50
IAD
-
STN
15h 30m
2 stops
Multiple Airlines Logo
14:45 - 19:00
STN
-
IAD
33h 15m
2 stops
£668Multiple Airlines
Mon, 31 Aug - Thu, 8 Oct
Multiple Airlines Logo
20:30 - 23:20
IAD
-
STN
21h 50m
2 stops
Multiple Airlines Logo
13:15 - 19:20
STN
-
IAD
35h 05m
2 stops
£668Multiple Airlines
Sun, 19 Jul - Sun, 26 Jul

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

Our best Royal Air Maroc deals on Washington, D.C. Dulles Intl Airport to London Stansted Airport flight tickets
Royal Air Maroc
2 Oct
IAD21:00Washington, D.C. Dulles Intl
28h 20m
1 stop
STN06:20London Stansted
16 Oct
STN07:25London Stansted
16h 35m
1 stop
IAD19:00Washington, D.C. Dulles Intl
£672
Royal Air Maroc
11 Sept
IAD21:00Washington, D.C. Dulles Intl
28h 20m
1 stop
STN06:20London Stansted
4 Oct
STN07:25London Stansted
16h 35m
1 stop
IAD19:00Washington, D.C. Dulles Intl
£689

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
11 Sept
IAD21:45Washington, D.C. Dulles Intl
37h 55m
1 stop
STN16:40London Stansted
17 Sept
STN17:35London Stansted
23h 00m
1 stop
IAD11:35Washington, D.C. Dulles Intl
£664
Turkish Airlines
28 Oct
IAD14:30Washington, D.C. Dulles Intl
21h 50m
1 stop
STN16:20London Stansted
4 Nov
STN10:55London Stansted
30h 50m
1 stop
IAD12:45Washington, D.C. Dulles Intl
£671
Turkish Airlines
27 Sept
IAD13:20Washington, D.C. Dulles Intl
15h 35m
1 stop
STN09:55London Stansted
3 Oct
STN17:45London Stansted
22h 50m
1 stop
IAD11:35Washington, D.C. Dulles Intl
£679

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 3 June 2026.
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
Fastest return journey

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 23/7

17:15-07:50

1 stop9h 35m

London Stansted

Tue 28/7

06:30-15:45

1 stop14h 15m

£662

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 18/8

20:25-16:00

1 stop14h 35m

London Stansted

Tue 25/8

09:10-18:50

1 stop14h 40m

£662

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 14/7

20:30-00:10

2 stops22h 40m

London Stansted

Mon 20/7

08:10-15:10

2 stops36h 00m

£663

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 11/9

21:45-16:40

1 stop37h 55m

London Stansted

Thu 17/9

17:35-11:35

1 stop23h 00m

£664

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 17/7

09:55-21:20

2 stops30h 25m

London Stansted

Mon 20/7

22:45-15:01

2 stops21h 16m

£665

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Wed 8/7

09:55-22:50

2 stops31h 55m

London Stansted

Sun 12/7

22:10-20:24

2 stops27h 14m

£665

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 17/7

15:45-19:20

2 stops22h 35m

London Stansted

Sun 26/7

06:35-15:24

2 stops13h 49m

£666

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 29/6

09:55-10:40

2 stops19h 45m

London Stansted

Wed 1/7

22:45-21:26

2 stops27h 41m

£667

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 31/8

16:20-12:50

2 stops15h 30m

London Stansted

Thu 8/10

14:45-19:00

2 stops33h 15m

£668

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 19/7

20:30-23:20

2 stops21h 50m

London Stansted

Sun 26/7

13:15-19:20

2 stops35h 05m

£668

Flights are sorted by cheapest return flights first.

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

See travel insights to London from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to London Stansted?

Royal Air Maroc is the most popular carrier operating from Washington, D.C. Dulles Intl to London Stansted

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

10h 55m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to London Stansted Airport takes 10h 55m
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

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 10h 55m.

  • 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.

Travelling to a place near London?

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

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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