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Cheap flights from London Stansted Airport to Washington, D.C. from $515

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 am - 2:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
35h 00m2 stops Madrid Barajas Rome Fiumicino
Multiple Airlines Logo
4:30 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
25h 25m2 stops Rome Fiumicino Madrid Barajas
$604Multiple Airlines
Wed, Nov 25 - Sun, Nov 29
Multiple Airlines Logo
8:20 pm - 2:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
23h 10m2 stops Madrid Barajas Rome Fiumicino
Multiple Airlines Logo
4:30 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
25h 25m2 stops Rome Fiumicino Madrid Barajas
$618Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
8:50 pm - 2:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
22h 40m2 stops Madrid Barajas Rome Fiumicino
Multiple Airlines Logo
4:30 pm - 2:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
17h 20m2 stops Rome Fiumicino Madrid Barajas
$636Multiple Airlines
Sat, Nov 21 - Sun, Nov 29
Multiple Airlines Logo
12:30 pm - 3:15 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
31h 45m2 stops Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
10:30 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
19h 25m2 stops Lisbon Humberto Delgado Madrid Barajas
$651Multiple Airlines
Wed, Dec 2 - Sun, Dec 6
Multiple Airlines Logo
4:15 pm - 3:55 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
28h 40m2 stops Madrid Barajas Amsterdam Schiphol
Multiple Airlines Logo
6:40 pm - 11:45 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
24h 05m2 stops Paris Charles de Gaulle Madrid Barajas
$664Multiple Airlines
Fri, Jan 15 - Wed, Jan 20
Multiple Airlines Logo
8:10 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
15h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 6:00 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
17h 20m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
$670Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Multiple Airlines Logo
8:10 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
15h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 5:30 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
16h 50m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
$673Multiple Airlines
Mon, Nov 23 - Sun, Dec 6
Multiple Airlines Logo
7:50 pm - 8:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
29h 40m2 stops Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
5:25 pm - 7:25 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 00m2 stops Lisbon Humberto Delgado Madrid Barajas
$675Multiple Airlines
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
6:45 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
16h 45m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 3:10 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
14h 30m2 stops Reykjavik Keflavik Intl Dublin
$680Multiple Airlines
Fri, Dec 4 - Mon, Dec 7
Multiple Airlines Logo
6:45 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
16h 45m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 9:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 10m2 stops Reykjavik Keflavik Intl Dublin
$687Multiple Airlines
Thu, Dec 3 - Tue, Dec 8

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

Our best Royal Air Maroc deals on London Stansted Airport to Washington, D.C. Dulles Intl Airport flight tickets
Royal Air Maroc
Nov 11
STN7:30 amLondon Stansted
16h 35m
1 stop
IAD7:05 pmWashington, D.C. Dulles Intl
Nov 18
IAD9:05 pmWashington, D.C. Dulles Intl
28h 15m
1 stop
STN6:20 amLondon Stansted
$817
Royal Air Maroc
Nov 6
STN7:20 amLondon Stansted
16h 45m
1 stop
IAD7:05 pmWashington, D.C. Dulles Intl
Nov 13
IAD9:05 pmWashington, D.C. Dulles Intl
28h 15m
1 stop
STN6:20 amLondon Stansted
$825
Royal Air Maroc
Nov 13
STN7:20 amLondon Stansted
16h 45m
1 stop
IAD7:05 pmWashington, D.C. Dulles Intl
Nov 15
IAD9:05 pmWashington, D.C. Dulles Intl
28h 25m
1 stop
STN6:30 amLondon Stansted
$847

momondo Fare Finder

 
Use the filters below to find and compare flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Wed 11/25

8:30 am-2:30 pm

2 stops35h 00m

Washington, D.C. Dulles Intl

Sun 11/29

4:30 pm-10:55 pm

2 stops25h 25m

$604

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Wed 11/18

8:20 pm-2:30 pm

2 stops23h 10m

Washington, D.C. Dulles Intl

Sun 11/22

4:30 pm-10:55 pm

2 stops25h 25m

$618

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Sat 11/21

8:50 pm-2:30 pm

2 stops22h 40m

Washington, D.C. Dulles Intl

Sun 11/29

4:30 pm-2:50 pm

2 stops17h 20m

$636

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Wed 12/2

12:30 pm-3:15 pm

2 stops31h 45m

Washington, D.C. Dulles Intl

Sun 12/6

10:30 pm-10:55 pm

2 stops19h 25m

$651

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Fri 1/15

4:15 pm-3:55 pm

2 stops28h 40m

Washington, D.C. Dulles Intl

Wed 1/20

6:40 pm-11:45 pm

2 stops24h 05m

$664

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Mon 11/23

8:10 am-6:30 pm

2 stops15h 20m

Washington, D.C. Dulles Intl

Mon 11/30

7:40 pm-6:00 pm

2 stops17h 20m

$670

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Mon 11/23

8:10 am-6:30 pm

2 stops15h 20m

Washington, D.C. Dulles Intl

Sun 12/6

7:40 pm-5:30 pm

2 stops16h 50m

$673

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Tue 11/24

7:50 pm-8:30 pm

2 stops29h 40m

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-7:25 pm

2 stops21h 00m

$675
Quickest round-trip

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Fri 12/4

6:45 am-6:30 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Mon 12/7

7:40 pm-3:10 pm

2 stops14h 30m

$680

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Thu 12/3

6:45 am-6:30 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Tue 12/8

7:40 pm-9:50 pm

2 stops21h 10m

$687

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from London Stansted Airport to Washington, D.C. Dulles Intl 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 day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $752. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Stansted Airport to Washington, D.C. Dulles Intl Airport for around $857.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from London Stansted Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $810 on average. Flights to Washington, D.C. Dulles Intl Airport from London Stansted Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Stansted Airport to Washington, D.C. Dulles Intl Airport (STN to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$515

Fastest flight time

12h 30m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from London Stansted Airport in the past 72 hours is $515. The best round-trip flight deal from London Stansted Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $604.
The fastest flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport takes 12h 30m
There are no direct flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from London Stansted Airport to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

  • How far is London Stansted to Washington, D.C. Dulles Intl by plane?

    The distance between London Stansted and Washington, D.C. Dulles Intl is about 3683.3 mi. Flights usually cover this in 12h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How old do you have to be to fly from London Stansted Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Glen Burnie
Edgewood
Chantilly

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

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 Washington, D.C. from London.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from London.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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