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 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.

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.

$286 Cheap Flights from London Stansted Airport to Washington, D.C. in 2026

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5:35 pm - 3:10 pm

STN

IAD

26h 35m

2 stops

10:35 pm - 9:00 pm

IAD

STN

17h 25m

2 stops

$552Multiple Airlines

Thu, Apr 16 - Thu, Apr 23

6:30 am - 7:20 pm

STN

IAD

17h 50m

2 stops

8:30 pm - 7:35 pm

IAD

STN

18h 05m

2 stops

$576Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

7:10 am - 7:20 pm

STN

IAD

17h 10m

2 stops

8:30 pm - 12:10 am

IAD

STN

22h 40m

2 stops

$577Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

6:00 am - 8:35 pm

STN

IAD

19h 35m

2 stops

8:30 pm - 12:50 am

IAD

STN

23h 20m

2 stops

$578Multiple Airlines

Thu, Apr 16 - Mon, Apr 20

8:15 am - 7:20 pm

STN

IAD

16h 05m

2 stops

8:30 pm - 6:50 pm

IAD

STN

17h 20m

2 stops

$580Multiple Airlines

Mon, Apr 20 - Mon, Apr 27

6:50 am - 7:25 pm

STN

BWI

17h 35m

2 stops

8:30 pm - 12:50 am

BWI

STN

23h 20m

2 stops

$589Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

6:50 am - 7:25 pm

STN

BWI

17h 35m

2 stops

8:30 pm - 4:05 pm

BWI

STN

14h 35m

2 stops

$590Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

8:15 am - 7:20 pm

STN

IAD

16h 05m

2 stops

8:30 pm - 6:50 pm

IAD

STN

17h 20m

2 stops

$592Multiple Airlines

Mon, Apr 20 - Mon, May 4

9:30 pm - 3:10 pm

STN

IAD

22h 40m

2 stops

8:30 pm - 12:20 am

IAD

STN

22h 50m

2 stops

$596Multiple Airlines

Wed, Apr 15 - Mon, Apr 20

6:30 am - 7:25 pm

STN

BWI

17h 55m

2 stops

8:30 pm - 5:35 pm

BWI

STN

16h 05m

2 stops

$598Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

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

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 4/16

5:35 pm-3:10 pm

2 stops26h 35m

Washington, D.C. Dulles Intl

Thu 4/23

10:35 pm-9:00 pm

2 stops17h 25m

$552

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Tue 4/21

6:30 am-7:20 pm

2 stops17h 50m

Washington, D.C. Dulles Intl

Tue 4/28

8:30 pm-7:35 pm

2 stops18h 05m

$576

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Tue 4/21

7:10 am-7:20 pm

2 stops17h 10m

Washington, D.C. Dulles Intl

Tue 4/28

8:30 pm-12:10 am

2 stops22h 40m

$577

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 4/16

6:00 am-8:35 pm

2 stops19h 35m

Washington, D.C. Dulles Intl

Mon 4/20

8:30 pm-12:50 am

2 stops23h 20m

$578

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 4/20

8:15 am-7:20 pm

2 stops16h 05m

Washington, D.C. Dulles Intl

Mon 4/27

8:30 pm-6:50 pm

2 stops17h 20m

$580

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 4/17

6:50 am-7:25 pm

2 stops17h 35m

Baltimore/Washington

Fri 4/24

8:30 pm-12:50 am

2 stops23h 20m

$589

Quickest round-trip

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 4/17

6:50 am-7:25 pm

2 stops17h 35m

Baltimore/Washington

Fri 4/24

8:30 pm-4:05 pm

2 stops14h 35m

$590

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Mon 4/20

8:15 am-7:20 pm

2 stops16h 05m

Washington, D.C. Dulles Intl

Mon 5/4

8:30 pm-6:50 pm

2 stops17h 20m

$592

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 4/15

9:30 pm-3:10 pm

2 stops22h 40m

Washington, D.C. Dulles Intl

Mon 4/20

8:30 pm-12:20 am

2 stops22h 50m

$596

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 4/21

6:30 am-7:25 pm

2 stops17h 55m

Baltimore/Washington

Tue 4/28

8:30 pm-5:35 pm

2 stops16h 05m

$598

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 $750. 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 $896.

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 $815. 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 $844. 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	16h 10m
Direct flights	None

The fastest flight from London Stansted Airport to Washington, D.C. takes 16h 10m

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 16h 10m 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

Colonial Beach

Laurel

Towson

Silver Spring

Gaithersburg

Fredericksburg

Rockville

Tysons

Manassas

Springfield

Bethesda

Fairfax

Linthicum Heights

Reston

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 $286

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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.

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Why use momondo?

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

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Get notified when prices go down

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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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