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 cheapest airline that flies from London Stansted to Washington, D.C.?

Royal Air Maroc and Turkish Airlines are the most popular carriers operating from London Stansted to Washington, D.C.

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.

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.

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.

$440 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.

6:30 am - 3:24 pm

STN

IAD

37h 54m

3 stops

8:30 pm - 11:25 pm

IAD

STN

21h 55m

2 stops

$593Multiple Airlines

Wed, Aug 26 - Sun, Aug 30

5:35 pm - 7:20 pm

STN

IAD

30h 45m

2 stops

8:30 pm - 6:50 pm

IAD

STN

17h 20m

2 stops

$605Multiple Airlines

Thu, Oct 8 - Mon, Oct 12

6:30 am - 8:24 pm

STN

IAD

18h 54m

2 stops

8:30 pm - 11:25 pm

IAD

STN

21h 55m

2 stops

$614Multiple Airlines

Wed, Aug 26 - Sun, Aug 30

6:00 am - 8:35 pm

STN

IAD

19h 35m

2 stops

5:40 pm - 1:40 pm

IAD

STN

15h 00m

2 stops

$615Multiple Airlines

Thu, Sep 17 - Sun, Sep 27

6:30 am - 8:24 pm

STN

IAD

18h 54m

2 stops

8:30 pm - 9:20 pm

IAD

STN

19h 50m

2 stops

$619Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

6:20 pm - 8:35 pm

STN

IAD

31h 15m

2 stops

10:35 pm - 11:05 pm

IAD

STN

19h 30m

2 stops

$621Multiple Airlines

Wed, Sep 23 - Sun, Oct 4

6:30 am - 8:24 pm

STN

IAD

18h 54m

3 stops

8:30 pm - 9:20 pm

IAD

STN

19h 50m

2 stops

$623Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

10:00 pm - 8:24 pm

STN

IAD

27h 24m

3 stops

8:30 pm - 7:20 pm

IAD

STN

17h 50m

2 stops

$627Multiple Airlines

Tue, Aug 25 - Fri, Aug 28

6:30 am - 3:24 pm

STN

IAD

37h 54m

3 stops

8:30 pm - 9:20 pm

IAD

STN

19h 50m

2 stops

$628Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

10:45 pm - 8:24 pm

STN

IAD

26h 39m

3 stops

8:30 pm - 10:25 pm

IAD

STN

20h 55m

2 stops

$632Multiple Airlines

Wed, Aug 12 - Thu, Aug 27

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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

Jul 13

STN7:25 amLondon Stansted

16h 35m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

Jul 27

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

STN6:20 amLondon Stansted

$967

Royal Air Maroc

Jul 13

STN7:25 amLondon Stansted

16h 35m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

Jul 27

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

STN6:20 amLondon Stansted

$975

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

Wed 8/26

6:30 am-3:24 pm

3 stops37h 54m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-11:25 pm

2 stops21h 55m

$593

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 10/8

5:35 pm-7:20 pm

2 stops30h 45m

Washington, D.C. Dulles Intl

Mon 10/12

8:30 pm-6:50 pm

2 stops17h 20m

$605

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 8/26

6:30 am-8:24 pm

2 stops18h 54m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-11:25 pm

2 stops21h 55m

$614

Quickest round-trip

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 9/17

6:00 am-8:35 pm

2 stops19h 35m

Washington, D.C. Dulles Intl

Sun 9/27

5:40 pm-1:40 pm

2 stops15h 00m

$615

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 8/26

6:30 am-8:24 pm

2 stops18h 54m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-9:20 pm

2 stops19h 50m

$619

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 9/23

6:20 pm-8:35 pm

2 stops31h 15m

Washington, D.C. Dulles Intl

Sun 10/4

10:35 pm-11:05 pm

2 stops19h 30m

$621

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 8/26

6:30 am-8:24 pm

3 stops18h 54m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-9:20 pm

2 stops19h 50m

$623

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Tue 8/25

10:00 pm-8:24 pm

3 stops27h 24m

Washington, D.C. Dulles Intl

Fri 8/28

8:30 pm-7:20 pm

2 stops17h 50m

$627

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 8/27

6:30 am-3:24 pm

3 stops37h 54m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-9:20 pm

2 stops19h 50m

$628

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 8/12

10:45 pm-8:24 pm

3 stops26h 39m

Washington, D.C. Dulles Intl

Thu 8/27

8:30 pm-10:25 pm

2 stops20h 55m

$632

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

Airlines

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 $744. 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 $908.

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 $790. 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 $807. 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 20m
Direct flights	None

The fastest flight from London Stansted Airport to Washington, D.C. takes 12h 20m

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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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 12h 20m 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

Colonial Beach

Towson

Manassas

Silver Spring

Tysons

Springfield

Fairfax

Bethesda

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.?

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 $440

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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

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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.

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.?

What is the cheapest airline that flies from London Stansted 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

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

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

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

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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.

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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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