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Cheap flights from Washington, D.C. Dulles Intl Airport to London from $361

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 5/11. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:20 pm - 8:30 pm
IAD
-
STN
16h 10m
2 stops
Multiple Airlines Logo
9:30 pm - 8:35 pm
STN
-
IAD
28h 05m
2 stops
$687Multiple Airlines
Fri, May 8 - Wed, May 13
Multiple Airlines Logo
8:30 pm - 6:30 pm
IAD
-
STN
17h 00m
2 stops
Multiple Airlines Logo
6:55 pm - 8:35 pm
STN
-
IAD
30h 40m
2 stops
$689Multiple Airlines
Tue, May 5 - Tue, Jun 2
Multiple Airlines Logo
8:30 pm - 12:25 am
IAD
-
STN
22h 55m
2 stops
Multiple Airlines Logo
9:30 pm - 8:35 pm
STN
-
IAD
28h 05m
2 stops
$690Multiple Airlines
Sat, May 2 - Wed, May 13
Multiple Airlines Logo
8:30 pm - 12:10 am
IAD
-
STN
22h 40m
2 stops
Multiple Airlines Logo
6:30 am - 8:29 pm
STN
-
IAD
18h 59m
2 stops
$691Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
11:20 pm - 12:50 am
IAD
-
STN
20h 30m
2 stops
Multiple Airlines Logo
9:30 pm - 8:35 pm
STN
-
IAD
28h 05m
2 stops
$694Multiple Airlines
Fri, May 8 - Wed, May 13
Multiple Airlines Logo
8:30 pm - 12:10 am
IAD
-
STN
22h 40m
2 stops
Multiple Airlines Logo
4:25 pm - 8:35 pm
STN
-
IAD
33h 10m
2 stops
$695Multiple Airlines
Tue, May 5 - Wed, May 13
Turkish Airlines Logo
1:20 pm - 9:55 am
IAD
-
STN
15h 35m
1 stop
Turkish Airlines Logo
5:35 pm - 7:50 pm
STN
-
IAD
31h 15m
1 stop
$697Turkish Airlines
Tue, Sep 22 - Tue, Oct 6
Multiple Airlines Logo
11:20 pm - 12:50 am
IAD
-
STN
20h 30m
2 stops
Multiple Airlines Logo
8:20 am - 3:10 pm
STN
-
IAD
35h 50m
2 stops
$699Multiple Airlines
Fri, May 8 - Wed, May 27
Turkish Airlines Logo
1:20 pm - 9:55 am
IAD
-
STN
15h 35m
1 stop
Turkish Airlines Logo
5:35 pm - 11:35 am
STN
-
IAD
23h 00m
1 stop
$700Turkish Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
8:30 pm - 12:10 am
IAD
-
STN
22h 40m
2 stops
Multiple Airlines Logo
10:45 pm - 8:29 pm
STN
-
IAD
26h 44m
2 stops
$702Multiple Airlines
Tue, May 5 - Wed, May 20

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
Apr 27
IAD9:45 pmWashington, D.C. Dulles Intl
19h 25m
1 stop
STN10:10 pmLondon Stansted
Jun 16
STN5:35 pmLondon Stansted
31h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$747
Turkish Airlines
Apr 27
IAD1:20 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
STN4:40 pmLondon Stansted
Jun 2
STN5:35 pmLondon Stansted
31h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$756
Turkish Airlines
May 4
IAD1:20 pmWashington, D.C. Dulles Intl
27h 50m
1 stop
STN10:10 pmLondon Stansted
May 19
STN5:35 pmLondon Stansted
23h 00m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$766

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 20, 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 round-trip

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 5/8

11:20 pm-8:30 pm

2 stops16h 10m

London Stansted

Wed 5/13

9:30 pm-8:35 pm

2 stops28h 05m

$687

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-6:30 pm

2 stops17h 00m

London Stansted

Tue 6/2

6:55 pm-8:35 pm

2 stops30h 40m

$689

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sat 5/2

8:30 pm-12:25 am

2 stops22h 55m

London Stansted

Wed 5/13

9:30 pm-8:35 pm

2 stops28h 05m

$690

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-12:10 am

2 stops22h 40m

London Stansted

Tue 5/12

6:30 am-8:29 pm

2 stops18h 59m

$691

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 5/8

11:20 pm-12:50 am

2 stops20h 30m

London Stansted

Wed 5/13

9:30 pm-8:35 pm

2 stops28h 05m

$694

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-12:10 am

2 stops22h 40m

London Stansted

Wed 5/13

4:25 pm-8:35 pm

2 stops33h 10m

$695

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 9/22

1:20 pm-9:55 am

1 stop15h 35m

London Stansted

Tue 10/6

5:35 pm-7:50 pm

1 stop31h 15m

$697

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 5/8

11:20 pm-12:50 am

2 stops20h 30m

London Stansted

Wed 5/27

8:20 am-3:10 pm

2 stops35h 50m

$699
Quickest round-trip

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 9/8

1:20 pm-9:55 am

1 stop15h 35m

London Stansted

Tue 9/15

5:35 pm-11:35 am

1 stop23h 00m

$700

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-12:10 am

2 stops22h 40m

London Stansted

Wed 5/20

10:45 pm-8:29 pm

2 stops26h 44m

$702

Flights are sorted by cheapest round-trip 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. 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?

Turkish Airlines 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 round-trip 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

14h 35m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to London Stansted Airport takes 14h 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.
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. Typically, this will take 14h 35m by plane in normal conditions.

  • 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 required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Brentwood
Dartford
Cobham
Folkestone
Guildford
Romford
Harrow
Uxbridge

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 all potential Washington, D.C. to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Washington, D.C. and alert you when they change.

An easier way to manage your London Stansted Airport trip

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