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.

$481 Cheap Flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

14h 10m1 stop Dublin

5:15 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

18h 30m1 stop Dublin

$601Multiple Airlines

Sat, Nov 7 - Sun, Nov 15

12:30 pm - 3:15 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

31h 45m2 stops Madrid Barajas Lisbon Humberto Delgado

10:30 pm - 11:45 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

20h 15m2 stops Lisbon Humberto Delgado Madrid Barajas

$608Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

6:45 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

14h 00m1 stop Dublin

5:15 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

18h 30m1 stop Dublin

$609Multiple Airlines

Thu, Nov 12 - Sun, Nov 15

6:20 am - 5:20 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

15h 00m1 stop Madrid Barajas

5:50 pm - 4:00 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

17h 10m1 stop Madrid Barajas

$612Multiple Airlines

Thu, Oct 29 - Wed, Nov 4

8:45 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

12h 00m1 stop Dublin

5:15 pm - 8:30 amIAD Washington, D.C. Dulles Intl-STN London Stansted

10h 15m1 stop Dublin

$618Multiple Airlines

Thu, Nov 5 - Mon, Nov 16

8:15 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

12h 30m1 stop Dublin

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

$618Multiple Airlines

Mon, Nov 16 - Sun, Nov 22

8:15 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

12h 30m1 stop Dublin

5:15 pm - 8:30 amIAD Washington, D.C. Dulles Intl-STN London Stansted

10h 15m1 stop Dublin

$619Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

8:15 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

12h 30m1 stop Dublin

8:50 pm - 2:05 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

12h 15m1 stop Dublin

$621Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

7:15 am - 7:20 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

17h 05m1 stop Dublin

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

$622Multiple Airlines

Wed, Nov 25 - Sun, Nov 29

6:45 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

14h 00m1 stop Dublin

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

$624Multiple Airlines

Thu, Nov 19 - Sun, Nov 22

Cheap last minute flights

Enter your travel dates to find the best prices.

1:15 pm - 7:10 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

10h 55m1 stop Dublin

5:15 pm - 9:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

11h 35m1 stop Dublin

$659Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

12:00 pm - 7:10 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

12h 10m1 stop Dublin

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

$662Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

8:30 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

12h 15m1 stop Dublin

5:15 pm - 9:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

11h 35m1 stop Dublin

$668Multiple Airlines

Mon, Sep 14 - Sun, Sep 20

1:15 pm - 7:10 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

10h 55m1 stop Dublin

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

$670Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

12:00 pm - 4:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

33h 45m2 stops Dublin Zurich

8:20 pm - 11:20 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 00m2 stops Zurich Dublin

$677Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

12:00 pm - 4:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

33h 45m2 stops Dublin Zurich

8:20 pm - 11:20 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 00m2 stops Zurich Dublin

$679Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

1:15 pm - 7:10 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

10h 55m1 stop Dublin

5:15 pm - 9:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

11h 35m1 stop Dublin

$686Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

1:15 pm - 7:10 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

10h 55m1 stop Dublin

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

$687Multiple Airlines

Thu, Sep 17 - Sat, Oct 3

6:35 am - 3:45 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

14h 10m1 stop Dublin

5:15 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

$688Multiple Airlines

Fri, Sep 18 - Tue, Sep 22

5:00 pm - 7:25 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

31h 25m1 stop Munich Franz Josef Strauss

10:20 pm - 3:35 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

12h 15m1 stop Munich Franz Josef Strauss

$5,152Lufthansa

Fri, Sep 18 - Sun, Sep 27

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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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

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

STNIAD

London Stansted

Sat 11/7

6:35 am-3:45 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Sun 11/15

5:15 pm-4:45 pm

1 stop18h 30m

$601

LondonWashington, D.C.

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

STNIAD

London Stansted

Wed 11/18

12:30 pm-3:15 pm

2 stops31h 45m

Washington, D.C. Dulles Intl

Wed 11/25

10:30 pm-11:45 pm

2 stops20h 15m

$608

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 11/12

6:45 am-3:45 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Sun 11/15

5:15 pm-4:45 pm

1 stop18h 30m

$609

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 10/29

6:20 am-5:20 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Wed 11/4

5:50 pm-4:00 pm

1 stop17h 10m

$612

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 11/5

8:45 am-3:45 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 11/16

5:15 pm-8:30 am

1 stop10h 15m

$618

Quickest round-trip

LondonWashington, D.C.

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

STNIAD

London Stansted

Mon 11/16

8:15 am-3:45 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Sun 11/22

5:15 pm-7:50 am

1 stop9h 35m

$618

LondonWashington, D.C.

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

STNIAD

London Stansted

Mon 11/2

8:15 am-3:45 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 11/9

5:15 pm-8:30 am

1 stop10h 15m

$619

LondonWashington, D.C.

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

STNIAD

London Stansted

Mon 11/23

8:15 am-3:45 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 11/30

8:50 pm-2:05 pm

1 stop12h 15m

$621

LondonWashington, D.C.

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

STNIAD

London Stansted

Wed 11/25

7:15 am-7:20 pm

1 stop17h 05m

Washington, D.C. Dulles Intl

Sun 11/29

5:15 pm-7:50 am

1 stop9h 35m

$622

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 11/19

6:45 am-3:45 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Sun 11/22

5:15 pm-7:50 am

1 stop9h 35m

$624

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $746. 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 $842.

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 $773 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 $805 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	$481
Fastest flight time	11h 55m
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 $481. 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 $601.

The fastest flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport takes 11h 55m

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 11h 55m, 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.

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Laurel

Waldorf

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Sterling

Fairfax

Springfield

Colonial Beach

Glen Burnie

Edgewood

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.