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

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

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.

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. Friday has historically seen more delays on average compared to the rest of the week.

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.

$363 Cheap Flights from London Stansted Airport to Washington, D.C. in 2026

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6:30 am - 6:30 pm

STN

IAD

17h 00m

2 stops

7:40 pm - 10:50 pm

IAD

STN

22h 10m

2 stops

$554Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

8:10 am - 3:10 pm

STN

IAD

36h 00m

2 stops

10:35 pm - 11:55 pm

IAD

STN

20h 20m

2 stops

$569Multiple Airlines

Mon, Apr 13 - Thu, Apr 23

6:30 am - 8:29 pm

STN

IAD

18h 59m

2 stops

8:30 pm - 12:30 am

IAD

STN

23h 00m

2 stops

$589Multiple Airlines

Mon, Apr 13 - Thu, Apr 16

8:30 am - 9:18 pm

STN

IAD

17h 48m

3 stops

8:30 pm - 4:00 pm

IAD

STN

14h 30m

2 stops

$602Multiple Airlines

Mon, Apr 13 - Thu, Apr 16

8:30 am - 8:29 pm

STN

IAD

16h 59m

2 stops

8:30 pm - 10:05 pm

IAD

STN

20h 35m

2 stops

$610Multiple Airlines

Mon, Apr 13 - Wed, Apr 15

5:55 am - 10:00 pm

STN

IAD

20h 05m

2 stops

10:35 pm - 12:20 am

IAD

STN

20h 45m

2 stops

$612Multiple Airlines

Wed, Mar 11 - Mon, Mar 30

7:10 am - 10:15 pm

STN

BWI

20h 05m

2 stops

11:20 pm - 12:10 am

BWI

STN

19h 50m

2 stops

$617Multiple Airlines

Tue, Mar 31 - Tue, Apr 7

7:10 am - 10:15 pm

STN

BWI

20h 05m

2 stops

11:20 pm - 12:10 am

BWI

STN

19h 50m

2 stops

$618Multiple Airlines

Tue, Mar 31 - Tue, Apr 7

1:10 pm - 7:25 pm

STN

BWI

35h 15m

2 stops

8:30 pm - 11:20 pm

BWI

STN

21h 50m

2 stops

$619Multiple Airlines

Mon, Apr 13 - Sun, Apr 19

5:55 am - 9:00 pm

STN

IAD

20h 05m

2 stops

8:40 pm - 11:50 pm

IAD

STN

23h 10m

2 stops

$623Multiple Airlines

Wed, Mar 4 - Tue, Mar 10

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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

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 2/25

6:30 am-6:30 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Wed 3/4

7:40 pm-10:50 pm

2 stops22h 10m

$554

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 4/13

8:10 am-3:10 pm

2 stops36h 00m

Washington, D.C. Dulles Intl

Thu 4/23

10:35 pm-11:55 pm

2 stops20h 20m

$569

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 4/13

6:30 am-8:29 pm

2 stops18h 59m

Washington, D.C. Dulles Intl

Thu 4/16

8:30 pm-12:30 am

2 stops23h 00m

$589

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 4/13

8:30 am-9:18 pm

3 stops17h 48m

Washington, D.C. Dulles Intl

Thu 4/16

8:30 pm-4:00 pm

2 stops14h 30m

$602

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 4/13

8:30 am-8:29 pm

2 stops16h 59m

Washington, D.C. Dulles Intl

Wed 4/15

8:30 pm-10:05 pm

2 stops20h 35m

$610

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 3/11

5:55 am-10:00 pm

2 stops20h 05m

Washington, D.C. Dulles Intl

Mon 3/30

10:35 pm-12:20 am

2 stops20h 45m

$612

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 3/31

7:10 am-10:15 pm

2 stops20h 05m

Baltimore/Washington

Tue 4/7

11:20 pm-12:10 am

2 stops19h 50m

$617

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 3/31

7:10 am-10:15 pm

2 stops20h 05m

Baltimore/Washington

Tue 4/7

11:20 pm-12:10 am

2 stops19h 50m

$618

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Mon 4/13

1:10 pm-7:25 pm

2 stops35h 15m

Baltimore/Washington

Sun 4/19

8:30 pm-11:20 pm

2 stops21h 50m

$619

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 3/4

5:55 am-9:00 pm

2 stops20h 05m

Washington, D.C. Dulles Intl

Tue 3/10

8:40 pm-11:50 pm

2 stops23h 10m

$623

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 $749. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, 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 $883.

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 $818. 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 $849. 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.

Fastest flight time	12h 05m
Direct flights	None

The fastest flight from London Stansted Airport to Washington, D.C. takes 12h 05m

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..

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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 12h 05m 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

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Tysons

Silver Spring

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Fairfax

Linthicum Heights

Bethesda

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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Cheap flights from London Stansted Airport to Washington, D.C. from $363

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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

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

Fastest flight time

Direct flights

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

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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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