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

Friday is statistically the day of the week that experiences the fewest 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.

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 departing at night have, in the past, seen delays more frequently in comparison.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£287 Cheap Flights from London Stansted Airport to Washington, D.C. in 2026

Find the cheapest flights from London Stansted Airport to Washington, D.C.

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:00 - 19:25STN London Stansted-IAD Washington, D.C. Dulles Intl

13h 25m1 stop Munich Franz Josef Strauss

17:35 - 10:10IAD Washington, D.C. Dulles Intl-STN London Stansted

11h 35m1 stop Munich Franz Josef Strauss

£430Lufthansa

Mon, 5 Oct - Tue, 6 Oct

08:15 - 18:30STN London Stansted-IAD Washington, D.C. Dulles Intl

15h 15m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

19:40 - 23:45IAD Washington, D.C. Dulles Intl-STN London Stansted

23h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£434Multiple Airlines

Wed, 18 Nov - Wed, 2 Dec

10:45 - 22:15STN London Stansted-IAD Washington, D.C. Dulles Intl

16h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

20:30 - 00:10IAD Washington, D.C. Dulles Intl-STN London Stansted

22h 40m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£435Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

05:55 - 22:15STN London Stansted-IAD Washington, D.C. Dulles Intl

21h 20m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

20:30 - 00:10IAD Washington, D.C. Dulles Intl-STN London Stansted

22h 40m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£453Multiple Airlines

Sat, 5 Sep - Tue, 8 Sep

17:35 - 22:15STN London Stansted-IAD Washington, D.C. Dulles Intl

33h 40m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

20:30 - 16:50IAD Washington, D.C. Dulles Intl-STN London Stansted

15h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£463Multiple Airlines

Thu, 3 Sep - Mon, 7 Sep

11:50 - 18:30STN London Stansted-IAD Washington, D.C. Dulles Intl

35h 40m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

19:40 - 22:50IAD Washington, D.C. Dulles Intl-STN London Stansted

22h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£466Multiple Airlines

Sat, 14 Nov - Sat, 28 Nov

17:35 - 19:20STN London Stansted-IAD Washington, D.C. Dulles Intl

30h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

23:20 - 23:20IAD Washington, D.C. Dulles Intl-STN London Stansted

19h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£468Multiple Airlines

Thu, 15 Oct - Sun, 18 Oct

05:55 - 22:15STN London Stansted-IAD Washington, D.C. Dulles Intl

21h 20m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

20:40 - 22:00IAD Washington, D.C. Dulles Intl-STN London Stansted

21h 20m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

£468Multiple Airlines

Sun, 18 Oct - Sun, 25 Oct

09:10 - 15:10STN London Stansted-IAD Washington, D.C. Dulles Intl

35h 00m2 stops Madrid Barajas Lisbon Humberto Delgado

17:25 - 19:35IAD Washington, D.C. Dulles Intl-STN London Stansted

21h 10m2 stops Lisbon Humberto Delgado Madrid Barajas

£473Multiple Airlines

Tue, 20 Oct - Tue, 3 Nov

12:55 - 18:30STN London Stansted-IAD Washington, D.C. Dulles Intl

34h 35m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

19:40 - 22:50IAD Washington, D.C. Dulles Intl-STN London Stansted

22h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£474Multiple Airlines

Sat, 21 Nov - Sat, 28 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:00 - 15:35STN London Stansted-IAD Washington, D.C. Dulles Intl

22h 35m2 stops Dublin Amsterdam Schiphol

18:15 - 23:20IAD Washington, D.C. Dulles Intl-STN London Stansted

24h 05m2 stops Paris Charles de Gaulle Dublin

£749Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

08:25 - 21:14STN London Stansted-IAD Washington, D.C. Dulles Intl

17h 49m3 stops Edinburgh Turnhouse Toronto Pearson Intl Ottawa

20:30 - 23:20IAD Washington, D.C. Dulles Intl-STN London Stansted

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

£788Multiple Airlines

Thu, 20 Aug - Mon, 31 Aug

08:15 - 15:01STN London Stansted-IAD Washington, D.C. Dulles Intl

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

15:45 - 21:10IAD Washington, D.C. Dulles Intl-STN London Stansted

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

£800Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

08:25 - 21:14STN London Stansted-IAD Washington, D.C. Dulles Intl

17h 49m3 stops Edinburgh Turnhouse Toronto Pearson Intl Ottawa

20:30 - 18:50IAD Washington, D.C. Dulles Intl-STN London Stansted

17h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£805Multiple Airlines

Thu, 20 Aug - Mon, 31 Aug

11:55 - 14:30STN London Stansted-IAD Washington, D.C. Dulles Intl

31h 35m2 stops Venice Marco Polo Rome Fiumicino

19:40 - 23:45IAD Washington, D.C. Dulles Intl-STN London Stansted

23h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£807Multiple Airlines

Sat, 22 Aug - Wed, 2 Dec

08:25 - 21:14STN London Stansted-IAD Washington, D.C. Dulles Intl

17h 49m3 stops Edinburgh Turnhouse Toronto Pearson Intl Ottawa

20:30 - 23:40IAD Washington, D.C. Dulles Intl-STN London Stansted

22h 10m2 stops Reykjavik Keflavik Intl Glasgow Intl

£826Multiple Airlines

Thu, 20 Aug - Sun, 23 Aug

08:15 - 17:00STN London Stansted-IAD Washington, D.C. Dulles Intl

13h 45m1 stop Kastrup Copenhagen

20:20 - 21:10IAD Washington, D.C. Dulles Intl-STN London Stansted

19h 50m1 stop Kastrup Copenhagen

£872Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

08:30 - 14:30STN London Stansted-IAD Washington, D.C. Dulles Intl

35h 00m2 stops Milan Malpensa Rome Fiumicino

20:30 - 00:20IAD Washington, D.C. Dulles Intl-STN London Stansted

22h 50m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

£883Multiple Airlines

Sat, 22 Aug - Mon, 24 Aug

20:35 - 15:10STN London Stansted-IAD Washington, D.C. Dulles Intl

23h 35m2 stops Faro Lisbon Humberto Delgado

17:05 - 07:50IAD Washington, D.C. Dulles Intl-STN London Stansted

9h 45m1 stop Dublin

£890Multiple Airlines

Sat, 22 Aug - Sun, 8 Nov

05:55 - 20:35STN London Stansted-IAD Washington, D.C. Dulles Intl

19h 40m2 stops Faro Lisbon Humberto Delgado

17:15 - 07:50IAD Washington, D.C. Dulles Intl-STN London Stansted

9h 35m1 stop Dublin

£893Multiple Airlines

Thu, 20 Aug - Thu, 8 Oct

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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

1 Sept

STN07:25London Stansted

16h 35m

1 stop

IAD19:00Washington, D.C. Dulles Intl

7 Sept

IAD21:00Washington, D.C. Dulles Intl

28h 20m

1 stop

STN06:20London Stansted

£754

Royal Air Maroc

1 Sept

STN07:25London Stansted

16h 35m

1 stop

IAD19:00Washington, D.C. Dulles Intl

8 Sept

IAD21:00Washington, D.C. Dulles Intl

28h 20m

1 stop

STN06:20London Stansted

£757

Royal Air Maroc

1 Sept

STN07:25London Stansted

16h 35m

1 stop

IAD19:00Washington, D.C. Dulles Intl

8 Sept

IAD21:00Washington, D.C. Dulles Intl

28h 20m

1 stop

STN06:20London Stansted

£759

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

5 Oct

STN11:00London Stansted

13h 25m

1 stop

IAD19:25Washington, D.C. Dulles Intl

6 Oct

IAD17:35Washington, D.C. Dulles Intl

11h 35m

1 stop

STN10:10London Stansted

£430

Lufthansa

21 Sept

STN16:25London Stansted

32h 00m

1 stop

IAD19:25Washington, D.C. Dulles Intl

6 Oct

IAD17:35Washington, D.C. Dulles Intl

11h 35m

1 stop

STN10:10London Stansted

£458

Lufthansa

29 Sept

STN11:00London Stansted

13h 25m

1 stop

IAD19:25Washington, D.C. Dulles Intl

6 Oct

IAD22:20Washington, D.C. Dulles Intl

12h 15m

1 stop

STN15:35London Stansted

£491

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 return flight

Fastest return journey

LondonWashington, D.C.

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

STNIAD

London Stansted

Mon 5/10

11:00-19:25

1 stop13h 25m

Washington, D.C. Dulles Intl

Tue 6/10

17:35-10:10

1 stop11h 35m

£430

LondonWashington, D.C.

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

STNIAD

London Stansted

Wed 18/11

08:15-18:30

2 stops15h 15m

Washington, D.C. Dulles Intl

Wed 2/12

19:40-23:45

2 stops23h 05m

£434

LondonWashington, D.C.

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

STNIAD

London Stansted

Tue 1/9

10:45-22:15

2 stops16h 30m

Washington, D.C. Dulles Intl

Tue 8/9

20:30-00:10

2 stops22h 40m

£435

LondonWashington, D.C.

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

STNIAD

London Stansted

Sat 5/9

05:55-22:15

2 stops21h 20m

Washington, D.C. Dulles Intl

Tue 8/9

20:30-00:10

2 stops22h 40m

£453

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 3/9

17:35-22:15

2 stops33h 40m

Washington, D.C. Dulles Intl

Mon 7/9

20:30-16:50

2 stops15h 20m

£463

LondonWashington, D.C.

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

STNIAD

London Stansted

Sat 14/11

11:50-18:30

2 stops35h 40m

Washington, D.C. Dulles Intl

Sat 28/11

19:40-22:50

2 stops22h 10m

£466

LondonWashington, D.C.

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

STNIAD

London Stansted

Thu 15/10

17:35-19:20

2 stops30h 45m

Washington, D.C. Dulles Intl

Sun 18/10

23:20-23:20

2 stops19h 00m

£468

LondonWashington, D.C.

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

STNIAD

London Stansted

Sun 18/10

05:55-22:15

2 stops21h 20m

Washington, D.C. Dulles Intl

Sun 25/10

20:40-22:00

2 stops21h 20m

£468

LondonWashington, D.C.

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

STNIAD

London Stansted

Tue 20/10

09:10-15:10

2 stops35h 00m

Washington, D.C. Dulles Intl

Tue 3/11

17:25-19:35

2 stops21h 10m

£473

LondonWashington, D.C.

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

STNIAD

London Stansted

Sat 21/11

12:55-18:30

2 stops34h 35m

Washington, D.C. Dulles Intl

Sat 28/11

19:40-22:50

2 stops22h 10m

£474

Flights are sorted by cheapest return 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 Friday. momondo users have found tickets for Friday departures for as low as £559. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from London Stansted Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £602.

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 £567. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £578. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 return 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	£287
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 £287. The best return flight deal from London Stansted Airport to Washington, D.C. found on momondo in the last 72 hours is £430.

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?
A flight from London Stansted to Washington, D.C. will travel around 3668.5 mi. By plane, this route typically takes 15h 25m.
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. refresh daily.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Alexandria

College Park

Arlington

Springfield

Fairfax

Gettysburg

Linthicum Heights

National Harbor

Ellicott City

Cambridge

Glen Burnie

Westminster

Laurel

Lutherville Timonium

Lexington Park

Woodbridge

Bethesda

Silver Spring

Rockville

Landover

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington, D.C. from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Of course. momondo tracks the price of London to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Complete your trip

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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 £287

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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.

Travelling 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, organise 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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