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.

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. 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.

$438 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

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10:45 am - 10:15 pm

STN

IAD

16h 30m

2 stops

8:30 pm - 12:10 am

IAD

STN

22h 40m

2 stops

$592Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

10:50 pm - 8:24 pm

STN

IAD

26h 34m

2 stops

8:30 pm - 7:35 pm

IAD

STN

18h 05m

2 stops

$593Multiple Airlines

Fri, Aug 28 - Tue, Sep 1

6:30 am - 8:24 pm

STN

IAD

18h 54m

3 stops

8:30 pm - 11:20 pm

IAD

STN

21h 50m

2 stops

$596Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

6:30 am - 8:24 pm

STN

IAD

18h 54m

2 stops

8:30 pm - 11:20 pm

IAD

STN

21h 50m

2 stops

$599Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

6:30 am - 9:24 pm

STN

IAD

19h 54m

3 stops

8:30 pm - 11:05 pm

IAD

STN

21h 35m

3 stops

$603Multiple Airlines

Wed, Aug 19 - Sat, Aug 29

6:30 am - 9:24 pm

STN

IAD

19h 54m

3 stops

8:30 pm - 11:20 pm

IAD

STN

21h 50m

2 stops

$604Multiple Airlines

Wed, Aug 19 - Sat, Aug 29

6:30 am - 8:24 pm

STN

IAD

18h 54m

2 stops

8:30 pm - 10:50 pm

IAD

STN

21h 20m

3 stops

$607Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

10:00 pm - 9:14 pm

STN

IAD

28h 14m

3 stops

8:30 pm - 11:25 pm

IAD

STN

21h 55m

2 stops

$615Multiple Airlines

Thu, Aug 27 - Sun, Aug 30

3:10 pm - 7:20 pm

STN

IAD

33h 10m

2 stops

8:30 pm - 12:05 am

IAD

STN

22h 35m

2 stops

$620Multiple Airlines

Fri, Oct 9 - Sat, Oct 17

10:00 pm - 8:24 pm

STN

IAD

27h 24m

2 stops

8:30 pm - 11:25 pm

IAD

STN

21h 55m

2 stops

$621Multiple Airlines

Thu, Aug 27 - Sun, Aug 30

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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 3

STN7:25 amLondon Stansted

16h 35m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

Sep 30

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

STN6:20 amLondon Stansted

$865

Royal Air Maroc

Jul 14

STN7:25 amLondon Stansted

16h 35m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

Jul 29

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

STN6:20 amLondon Stansted

$883

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 - IAD

STNIAD

London Stansted

Tue 9/8

10:45 am-10:15 pm

2 stops16h 30m

Washington, D.C. Dulles Intl

Tue 9/15

8:30 pm-12:10 am

2 stops22h 40m

$592

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Fri 8/28

10:50 pm-8:24 pm

2 stops26h 34m

Washington, D.C. Dulles Intl

Tue 9/1

8:30 pm-7:35 pm

2 stops18h 05m

$593

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 8/27

6:30 am-8:24 pm

3 stops18h 54m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-11:20 pm

2 stops21h 50m

$596

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 8/27

6:30 am-8:24 pm

2 stops18h 54m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-11:20 pm

2 stops21h 50m

$599

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 8/19

6:30 am-9:24 pm

3 stops19h 54m

Washington, D.C. Dulles Intl

Sat 8/29

8:30 pm-11:05 pm

3 stops21h 35m

$603

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Wed 8/19

6:30 am-9:24 pm

3 stops19h 54m

Washington, D.C. Dulles Intl

Sat 8/29

8:30 pm-11:20 pm

2 stops21h 50m

$604

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 8/27

6:30 am-8:24 pm

2 stops18h 54m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-10:50 pm

3 stops21h 20m

$607

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 8/27

10:00 pm-9:14 pm

3 stops28h 14m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-11:25 pm

2 stops21h 55m

$615

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Fri 10/9

3:10 pm-7:20 pm

2 stops33h 10m

Washington, D.C. Dulles Intl

Sat 10/17

8:30 pm-12:05 am

2 stops22h 35m

$620

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 8/27

10:00 pm-8:24 pm

2 stops27h 24m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-11:25 pm

2 stops21h 55m

$621

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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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $753. 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 $897.

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 $792. 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 in the morning because they tend to be around $810. 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	13h 25m
Direct flights	None

The fastest flight from London Stansted Airport to Washington, D.C. takes 13h 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..

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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 13h 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

Colonial Beach

Towson

Manassas

Silver Spring

Tysons

Springfield

Bethesda

Fairfax

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

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Cheap flights from London Stansted Airport to Washington, D.C. from $438

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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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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

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

Fastest flight time

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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

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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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