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Cheap flights from London Stansted Airport to Washington, D.C. from £325

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to Washington, D.C. departing on 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Stansted Airport to Washington, D.C. (STN-WAS)

Cheap return flights

PLAY Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
PLAY Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£404PLAY
Find Deal
Tue, 14 Oct - Fri, 17 Oct
PLAY Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
PLAY Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£406PLAY
Find Deal
Thu, 9 Oct - Wed, 15 Oct
PLAY Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
PLAY Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£409PLAY
Find Deal
Thu, 18 Sep - Wed, 24 Sep
PLAY Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
PLAY Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£410PLAY
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Logo
07:15 - 22:10STN-IAD
19h 55m2 stops
Logo
20:30 - 16:05IAD-STN
14h 35m2 stops
£410
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Logo
07:15 - 22:10STN-IAD
19h 55m2 stops
Logo
20:30 - 16:05IAD-STN
14h 35m2 stops
£411
Find Deal
Fri, 10 Oct - Mon, 13 Oct
PLAY Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
PLAY Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£412PLAY
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Logo
09:20 - 16:15STN-IAD
35h 55m2 stops
Logo
09:45 - 21:00IAD-STN
30h 15m2 stops
£412
Find Deal
Thu, 18 Sep - Mon, 22 Sep
WorldTicket Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
WorldTicket Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£444WorldTicket
Find Deal
Thu, 9 Oct - Mon, 13 Oct
WorldTicket Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
WorldTicket Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£446WorldTicket
Find Deal
Thu, 9 Oct - Mon, 13 Oct

WorldTicket flights from London Stansted Airport to Washington, D.C.

Our best WorldTicket deals on London Stansted Airport to Washington, D.C. flight tickets
WorldTicket
9 Oct
STN11:40London Stansted
11h 00m
1 stop
BWI17:40Baltimore/Washington
13 Oct
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
£444
Find similar
WorldTicket
9 Oct
STN11:40London Stansted
11h 00m
1 stop
BWI17:40Baltimore/Washington
13 Oct
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
£446
Find similar
WorldTicket
12 Sept
STN11:40London Stansted
11h 00m
1 stop
BWI17:40Baltimore/Washington
15 Oct
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
£512
Find similar

PLAY flights from London Stansted Airport to Washington, D.C.

Our best PLAY deals on London Stansted Airport to Washington, D.C. flight tickets
PLAY
14 Oct
STN11:40London Stansted
11h 00m
1 stop
BWI17:40Baltimore/Washington
17 Oct
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
£404
Find similar
PLAY
9 Oct
STN11:40London Stansted
11h 00m
1 stop
BWI17:40Baltimore/Washington
15 Oct
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
£406
Find similar
PLAY
18 Sept
STN11:40London Stansted
11h 00m
1 stop
BWI17:40Baltimore/Washington
24 Sept
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
£409
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 5 September 2025.
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

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 14/10

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Fri 17/10

18:50-10:40

1 stop10h 50m

£404

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 9/10

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Wed 15/10

18:50-10:40

1 stop10h 50m

£406

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 18/9

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Wed 24/9

18:50-10:40

1 stop10h 50m

£409

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 10/10

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Mon 13/10

18:50-10:40

1 stop10h 50m

£410

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Fri 10/10

07:15-22:10

2 stops19h 55m

Washington, D.C. Dulles Intl

Mon 13/10

20:30-16:05

2 stops14h 35m

£410

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Fri 10/10

07:15-22:10

2 stops19h 55m

Washington, D.C. Dulles Intl

Mon 13/10

20:30-16:05

2 stops14h 35m

£411

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 9/10

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Mon 13/10

18:50-10:40

1 stop10h 50m

£412

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 18/9

09:20-16:15

2 stops35h 55m

Washington, D.C. Dulles Intl

Mon 22/9

09:45-21:00

2 stops30h 15m

£412

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 9/10

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Mon 13/10

18:50-10:40

1 stop10h 50m

£444

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 9/10

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Mon 13/10

18:50-10:40

1 stop10h 50m

£446

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.

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

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from London Stansted Airport is in February. Flight prices, which tend to average around £236, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until April to fly from London Stansted Airport, when ticket prices are also cheap, with an average price of £274.

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 £600. 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 £682.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening 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 £511. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the afternoon, with an average ticket price of £632. Departure times in the afternoon 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.

Direct flights

None
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

  • 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 11h 00m.

  • 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 many operators does momondo search for flights from London Stansted Airport to Washington, D.C.?

  • 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.

  • What is the most popular airline from London Stansted Airport to Washington, D.C.?

Best airlines flying from London Stansted Airport to Washington, D.C.

Compare and see reviews for airlines that fly from London Stansted Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £249Free CancellationRating
7.0
103 reviews
Search PLAY flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
Gettysburg
Cambridge
Ellicott City
Arlington
Westminster
Woodbridge
Owings Mills
Silver Spring
National Harbor

Why use momondo?

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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport