Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to London from $324

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 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
8:30 pm - 9:40 pm
IAD
-
STN
20h 10m
2 stops
Multiple Airlines Logo
7:05 am - 10:15 pm
STN
-
IAD
20h 10m
2 stops
$583Multiple Airlines
Wed, May 6 - Sun, May 10
Multiple Airlines Logo
8:20 pm - 7:35 pm
IAD
-
STN
18h 15m
2 stops
Multiple Airlines Logo
12:15 pm - 5:00 pm
STN
-
IAD
33h 45m
2 stops
$584Multiple Airlines
Mon, Apr 13 - Wed, Apr 22
Multiple Airlines Logo
8:30 pm - 12:20 am
IAD
-
STN
22h 50m
2 stops
Multiple Airlines Logo
2:45 pm - 3:10 pm
STN
-
IAD
29h 25m
2 stops
$585Multiple Airlines
Mon, Apr 20 - Thu, Apr 30
Multiple Airlines Logo
8:20 pm - 7:35 pm
IAD
-
STN
18h 15m
2 stops
Multiple Airlines Logo
12:15 pm - 5:00 pm
STN
-
IAD
33h 45m
2 stops
$586Multiple Airlines
Mon, Apr 13 - Wed, Apr 22
Multiple Airlines Logo
8:20 pm - 9:55 pm
IAD
-
STN
20h 35m
3 stops
Multiple Airlines Logo
11:30 am - 5:00 pm
STN
-
IAD
34h 30m
2 stops
$587Multiple Airlines
Sat, Apr 18 - Sat, Apr 25
Multiple Airlines Logo
8:30 pm - 4:50 pm
IAD
-
STN
15h 20m
2 stops
Multiple Airlines Logo
5:55 am - 7:20 pm
STN
-
IAD
18h 25m
2 stops
$588Multiple Airlines
Mon, May 4 - Sat, May 9
Multiple Airlines Logo
8:40 pm - 11:55 pm
IAD
-
STN
23h 15m
2 stops
Multiple Airlines Logo
8:10 am - 3:10 pm
STN
-
IAD
36h 00m
2 stops
$589Multiple Airlines
Mon, Mar 23 - Mon, Apr 13
Multiple Airlines Logo
8:30 pm - 12:05 am
IAD
-
STN
22h 35m
2 stops
Multiple Airlines Logo
5:55 am - 7:20 pm
STN
-
IAD
18h 25m
2 stops
$590Multiple Airlines
Sat, Apr 18 - Sat, Apr 25
Multiple Airlines Logo
8:20 pm - 6:50 pm
IAD
-
STN
17h 30m
1 stop
Multiple Airlines Logo
9:55 am - 5:00 pm
STN
-
IAD
12h 05m
1 stop
$591Multiple Airlines
Mon, Apr 6 - Thu, Apr 9
Multiple Airlines Logo
8:20 pm - 4:50 pm
IAD
-
STN
15h 30m
1 stop
Multiple Airlines Logo
7:00 am - 5:00 pm
STN
-
IAD
15h 00m
1 stop
$592Multiple Airlines
Mon, Apr 13 - Wed, Apr 22

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
Mar 17
IAD2:30 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
STN9:50 amLondon Stansted
Mar 24
STN5:20 pmLondon Stansted
23h 25m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
$644
Turkish Airlines
Mar 17
IAD2:30 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
STN9:50 amLondon Stansted
Mar 24
STN5:20 pmLondon Stansted
31h 00m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$646
Turkish Airlines
Mar 19
IAD2:30 pmWashington, D.C. Dulles Intl
21h 50m
1 stop
STN4:20 pmLondon Stansted
Mar 24
STN5:20 pmLondon Stansted
23h 25m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
$648

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 March 7, 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

Wed 5/6

8:30 pm-9:40 pm

2 stops20h 10m

London Stansted

Sun 5/10

7:05 am-10:15 pm

2 stops20h 10m

$583

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-7:35 pm

2 stops18h 15m

London Stansted

Wed 4/22

12:15 pm-5:00 pm

2 stops33h 45m

$584

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 4/20

8:30 pm-12:20 am

2 stops22h 50m

London Stansted

Thu 4/30

2:45 pm-3:10 pm

2 stops29h 25m

$585

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-7:35 pm

2 stops18h 15m

London Stansted

Wed 4/22

12:15 pm-5:00 pm

2 stops33h 45m

$586

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sat 4/18

8:20 pm-9:55 pm

3 stops20h 35m

London Stansted

Sat 4/25

11:30 am-5:00 pm

2 stops34h 30m

$587

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 5/4

8:30 pm-4:50 pm

2 stops15h 20m

London Stansted

Sat 5/9

5:55 am-7:20 pm

2 stops18h 25m

$588

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 3/23

8:40 pm-11:55 pm

2 stops23h 15m

London Stansted

Mon 4/13

8:10 am-3:10 pm

2 stops36h 00m

$589

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sat 4/18

8:30 pm-12:05 am

2 stops22h 35m

London Stansted

Sat 4/25

5:55 am-7:20 pm

2 stops18h 25m

$590
Quickest round-trip

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 4/6

8:20 pm-6:50 pm

1 stop17h 30m

London Stansted

Thu 4/9

9:55 am-5:00 pm

1 stop12h 05m

$591

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-4:50 pm

1 stop15h 30m

London Stansted

Wed 4/22

7:00 am-5:00 pm

1 stop15h 00m

$592

Flights are sorted by cheapest round-trip 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?

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

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.
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. Typically, this will take 9h 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
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 4/6
Mon 4/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $283
Flights to London Gatwick Airportfrom $347
Flights to London City Airportfrom $504
Flights to London Luton Airportfrom $341
Flights to Glasgow Intl Airportfrom $339
Flights to Belfast Intl Airportfrom $532
Flights to London Southend Airportfrom $505
Flights to Belfast City Airportfrom $532