What is the most punctual flight time for London to Washington, D.C. flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How often are flights from London to Washington, D.C. delayed?

Historically, on average around 0% of flights between London and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

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

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

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

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..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. 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.

$388 Cheap Flights from London Stansted Airport to Washington, D.C. 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.

11:00 am - 7:25 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

13h 25m1 stop Munich Franz Josef Strauss

5:35 pm - 10:10 amIAD Washington, D.C. Dulles Intl-STN London Stansted

11h 35m1 stop Munich Franz Josef Strauss

$582Lufthansa

Mon, Oct 5 - Tue, Oct 6

8:15 am - 6:30 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

15h 15m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

7:40 pm - 11:45 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

23h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$588Multiple Airlines

Wed, Nov 18 - Wed, Dec 2

10:45 am - 10:15 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

16h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

8:30 pm - 12:10 amIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 40m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$589Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

5:55 am - 10:15 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

21h 20m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

8:30 pm - 12:10 amIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 40m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$613Multiple Airlines

Sat, Sep 5 - Tue, Sep 8

5:35 pm - 10:15 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

33h 40m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

8:30 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

15h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$627Multiple Airlines

Thu, Sep 3 - Mon, Sep 7

11:50 am - 6:30 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

35h 40m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

7:40 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$631Multiple Airlines

Sat, Nov 14 - Sat, Nov 28

5:35 pm - 7:20 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

30h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

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

19h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$633Multiple Airlines

Thu, Oct 15 - Sun, Oct 18

5:55 am - 10:15 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

21h 20m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

8:40 pm - 10:00 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

21h 20m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

$633Multiple Airlines

Sun, Oct 18 - Sun, Oct 25

9:10 am - 3:10 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

35h 00m2 stops Madrid Barajas Lisbon Humberto Delgado

5:25 pm - 7:35 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

21h 10m2 stops Lisbon Humberto Delgado Madrid Barajas

$640Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

12:55 pm - 6:30 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

34h 35m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

7:40 pm - 10:50 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$641Multiple Airlines

Sat, Nov 21 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

10:00 pm - 3:35 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

22h 35m2 stops Dublin Amsterdam Schiphol

6:15 pm - 11:20 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

24h 05m2 stops Paris Charles de Gaulle Dublin

$1,014Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

8:25 am - 9:14 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

17h 49m3 stops Edinburgh Turnhouse Toronto Pearson Intl Ottawa

8:30 pm - 11:20 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

21h 50m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Dublin

$1,066Multiple Airlines

Thu, Aug 20 - Mon, Aug 31

8:15 am - 3:01 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

35h 46m2 stops Kastrup Copenhagen Montreal Pierre Elliott Trudeau Intl

3:45 pm - 9:10 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

24h 25m2 stops Montreal Pierre Elliott Trudeau Intl Kastrup Copenhagen

$1,083Multiple Airlines

Mon, Aug 24 - Fri, Aug 28

8:25 am - 9:14 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

17h 49m3 stops Edinburgh Turnhouse Toronto Pearson Intl Ottawa

8:30 pm - 6:50 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

17h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$1,089Multiple Airlines

Thu, Aug 20 - Mon, Aug 31

11:55 am - 2:30 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

31h 35m2 stops Venice Marco Polo Rome Fiumicino

7:40 pm - 11:45 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

23h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$1,092Multiple Airlines

Sat, Aug 22 - Wed, Dec 2

8:25 am - 9:14 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

17h 49m3 stops Edinburgh Turnhouse Toronto Pearson Intl Ottawa

8:30 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 10m2 stops Reykjavik Keflavik Intl Glasgow Intl

$1,118Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

8:15 am - 5:00 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

13h 45m1 stop Kastrup Copenhagen

8:20 pm - 9:10 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

19h 50m1 stop Kastrup Copenhagen

$1,181Multiple Airlines

Mon, Aug 24 - Fri, Aug 28

8:30 am - 2:30 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

35h 00m2 stops Milan Malpensa Rome Fiumicino

8:30 pm - 12:20 amIAD Washington, D.C. Dulles Intl-STN London Stansted

22h 50m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

$1,195Multiple Airlines

Sat, Aug 22 - Mon, Aug 24

9:00 am - 3:35 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

35h 35m2 stops Berlin Brandenburg Amsterdam Schiphol

9:45 pm - 10:05 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

19h 20m2 stops Paris Charles de Gaulle Berlin Brandenburg

$1,205Multiple Airlines

Fri, Aug 21 - Wed, Aug 26

8:35 pm - 3:10 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

23h 35m2 stops Faro Lisbon Humberto Delgado

5:05 pm - 7:50 amIAD Washington, D.C. Dulles Intl-STN London Stansted

9h 45m1 stop Dublin

$1,205Multiple Airlines

Sat, Aug 22 - Sun, Nov 8

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

Our best Royal Air Maroc deals on London Stansted Airport to Washington, D.C. flight tickets

Royal Air Maroc

Sep 1

STN7:25 amLondon Stansted

16h 35m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

Sep 7

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

STN6:20 amLondon Stansted

$1,021

Royal Air Maroc

Sep 1

STN7:25 amLondon Stansted

16h 35m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

Sep 8

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

STN6:20 amLondon Stansted

$1,027

Royal Air Maroc

Sep 1

STN7:25 amLondon Stansted

16h 35m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

Sep 7

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

STN6:20 amLondon Stansted

$1,059

Lufthansa flights from London Stansted Airport to Washington, D.C.

Our best Lufthansa deals on London Stansted Airport to Washington, D.C. flight tickets

Lufthansa

Oct 5

STN11:00 amLondon Stansted

13h 25m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Oct 6

IAD5:35 pmWashington, D.C. Dulles Intl

11h 35m

1 stop

STN10:10 amLondon Stansted

$582

Lufthansa

Sep 29

STN11:00 amLondon Stansted

13h 25m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Oct 6

IAD10:20 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

STN3:35 pmLondon Stansted

$665

Lufthansa

Sep 29

STN11:00 amLondon Stansted

13h 25m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Oct 6

IAD10:20 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

STN3:35 pmLondon Stansted

$666

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonWashington, D.C.

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

STNIAD

London Stansted

Mon 10/5

11:00 am-7:25 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Tue 10/6

5:35 pm-10:10 am

1 stop11h 35m

$582

LondonWashington, D.C.

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

STNIAD

London Stansted

Wed 11/18

8:15 am-6:30 pm

2 stops15h 15m

Washington, D.C. Dulles Intl

Wed 12/2

7:40 pm-11:45 pm

2 stops23h 05m

$588

LondonWashington, D.C.

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

STNIAD

London Stansted

Tue 9/1

10:45 am-10:15 pm

2 stops16h 30m

Washington, D.C. Dulles Intl

Tue 9/8

8:30 pm-12:10 am

2 stops22h 40m

$589

LondonWashington, D.C.

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

STNIAD

London Stansted

Sat 9/5

5:55 am-10:15 pm

2 stops21h 20m

Washington, D.C. Dulles Intl

Tue 9/8

8:30 pm-12:10 am

2 stops22h 40m

$613

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 9/3

5:35 pm-10:15 pm

2 stops33h 40m

Washington, D.C. Dulles Intl

Mon 9/7

8:30 pm-4:50 pm

2 stops15h 20m

$627

LondonWashington, D.C.

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

STNIAD

London Stansted

Sat 11/14

11:50 am-6:30 pm

2 stops35h 40m

Washington, D.C. Dulles Intl

Sat 11/28

7:40 pm-10:50 pm

2 stops22h 10m

$631

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 10/15

5:35 pm-7:20 pm

2 stops30h 45m

Washington, D.C. Dulles Intl

Sun 10/18

11:20 pm-11:20 pm

2 stops19h 00m

$633

LondonWashington, D.C.

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

STNIAD

London Stansted

Sun 10/18

5:55 am-10:15 pm

2 stops21h 20m

Washington, D.C. Dulles Intl

Sun 10/25

8:40 pm-10:00 pm

2 stops21h 20m

$633

LondonWashington, D.C.

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

STNIAD

London Stansted

Tue 10/20

9:10 am-3:10 pm

2 stops35h 00m

Washington, D.C. Dulles Intl

Tue 11/3

5:25 pm-7:35 pm

2 stops21h 10m

$640

LondonWashington, D.C.

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

STNIAD

London Stansted

Sat 11/21

12:55 pm-6:30 pm

2 stops34h 35m

Washington, D.C. Dulles Intl

Sat 11/28

7:40 pm-10:50 pm

2 stops22h 10m

$641

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.

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

Prices

Delays

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from London Stansted Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $739. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $836.

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

In the afternoon is the cheapest time of day to fly from London Stansted Airport to Washington, D.C. when you can find flight prices for as low as $774. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $802. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Washington, D.C. 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. (STN to WAS) flight deals and tips

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

Best Price Found	$388
Fastest flight time	15h 25m
Direct flights	None

The best one-way flight to Washington, D.C. from London Stansted Airport in the past 72 hours is $388. The best round-trip flight deal from London Stansted Airport to Washington, D.C. found on momondo in the last 72 hours is $582.

The fastest flight from London Stansted Airport to Washington, D.C. takes 15h 25m

There are no direct flights from London Stansted Airport to Washington, D.C.. There are no popular flight routes from London Stansted Airport to Washington, D.C..

Search flight deals

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

How far is London Stansted to Washington, D.C. by plane?
Washington, D.C. is 3668.5 mi away from London Stansted. Typically, this will take 15h 25m by plane in normal conditions.
When did momondo last update prices for flights from London Stansted Airport to Washington, D.C.?
Prices for flights from London Stansted Airport to Washington, D.C. were last updated today.
How old do you have to be to fly from London Stansted Airport to Washington, D.C.?
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..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. 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

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Springfield

Colonial Beach

Fairfax

Edgewood

Tysons

College Park

Glen Burnie

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.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Nearby airports

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Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from London Stansted Airport to Washington, D.C. from $388

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

Our best Royal Air Maroc deals on London Stansted Airport to Washington, D.C. flight tickets

Lufthansa flights from London Stansted Airport to Washington, D.C.

Our best Lufthansa deals on London Stansted Airport to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from London Stansted Airport to Washington, D.C.

What is the cheapest day to depart on your flight to Washington, D.C.?

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

How often are flights from London to Washington, D.C. delayed?

What is the most punctual flight time for London to Washington, D.C. flights?

What day of the week experiences the fewest flight delays on this route?

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

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

Best Price Found

Fastest flight time

Direct flights

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

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

Why use momondo?

An easier way to manage your Washington, D.C. 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.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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