Cheap flights from London Stansted Airport to Washington, D.C. from $382

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 5/5. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 pm - 7:20 pm
STN
-
IAD
28h 20m
2 stops
Multiple Airlines Logo
8:30 pm - 12:10 am
IAD
-
STN
22h 40m
2 stops
$596Multiple Airlines
Τετ, Μαϊ 20 - Τρι, Μαϊ 26
Multiple Airlines Logo
7:10 am - 7:20 pm
STN
-
IAD
17h 10m
2 stops
Multiple Airlines Logo
8:30 pm - 12:10 am
IAD
-
STN
22h 40m
2 stops
$600Multiple Airlines
Τρι, Μαϊ 19 - Τρι, Μαϊ 26
Multiple Airlines Logo
6:30 am - 7:20 pm
STN
-
IAD
17h 50m
2 stops
Multiple Airlines Logo
8:30 pm - 7:30 pm
IAD
-
STN
18h 00m
2 stops
$610Multiple Airlines
Πεμ, Μαϊ 7 - Κυρ, Μαϊ 10
Multiple Airlines Logo
6:35 am - 7:20 pm
STN
-
IAD
17h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 9:20 pm
IAD
-
STN
19h 50m
2 stops
$616Multiple Airlines
Παρ, Μαϊ 8 - Δευ, Μαϊ 11
Multiple Airlines Logo
6:35 am - 7:20 pm
STN
-
IAD
17h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 11:20 pm
IAD
-
STN
21h 50m
2 stops
$620Multiple Airlines
Παρ, Μαϊ 8 - Δευ, Μαϊ 11
Multiple Airlines Logo
6:30 am - 7:20 pm
STN
-
IAD
17h 50m
2 stops
Multiple Airlines Logo
8:30 pm - 9:20 pm
IAD
-
STN
19h 50m
2 stops
$624Multiple Airlines
Δευ, Μαϊ 4 - Δευ, Μαϊ 11
Multiple Airlines Logo
1:45 pm - 7:20 pm
STN
-
IAD
34h 35m
2 stops
Multiple Airlines Logo
8:30 pm - 12:40 am
IAD
-
STN
23h 10m
2 stops
$639Multiple Airlines
Παρ, Ιουν 12 - Σαβ, Ιουν 20
Multiple Airlines Logo
7:20 am - 7:20 pm
STN
-
IAD
17h 00m
2 stops
Multiple Airlines Logo
8:30 pm - 12:30 am
IAD
-
STN
23h 00m
2 stops
$641Multiple Airlines
Πεμ, Μαϊ 21 - Πεμ, Μαϊ 28
Multiple Airlines Logo
8:30 am - 10:15 pm
STN
-
BWI
18h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 5:35 pm
BWI
-
STN
16h 05m
2 stops
$656Multiple Airlines
Πεμ, Ιουν 4 - Τρι, Ιουν 9
Multiple Airlines Logo
6:30 am - 8:29 pm
STN
-
IAD
18h 59m
3 stops
Multiple Airlines Logo
8:30 pm - 10:55 pm
IAD
-
STN
21h 25m
2 stops
$666Multiple Airlines
Πεμ, Μαϊ 28 - Πεμ, Οκτ 8

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated Απρίλιος 22, 2026.
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

Τετ 5/20

8:00 pm-7:20 pm

2 stops28h 20m

Washington, D.C. Dulles Intl

Τρι 5/26

8:30 pm-12:10 am

2 stops22h 40m

$596

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Τρι 5/19

7:10 am-7:20 pm

2 stops17h 10m

Washington, D.C. Dulles Intl

Τρι 5/26

8:30 pm-12:10 am

2 stops22h 40m

$600

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Πεμ 5/7

6:30 am-7:20 pm

2 stops17h 50m

Washington, D.C. Dulles Intl

Κυρ 5/10

8:30 pm-7:30 pm

2 stops18h 00m

$610

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Παρ 5/8

6:35 am-7:20 pm

2 stops17h 45m

Washington, D.C. Dulles Intl

Δευ 5/11

8:30 pm-9:20 pm

2 stops19h 50m

$616

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Παρ 5/8

6:35 am-7:20 pm

2 stops17h 45m

Washington, D.C. Dulles Intl

Δευ 5/11

8:30 pm-11:20 pm

2 stops21h 50m

$620

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Δευ 5/4

6:30 am-7:20 pm

2 stops17h 50m

Washington, D.C. Dulles Intl

Δευ 5/11

8:30 pm-9:20 pm

2 stops19h 50m

$624

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Παρ 6/12

1:45 pm-7:20 pm

2 stops34h 35m

Washington, D.C. Dulles Intl

Σαβ 6/20

8:30 pm-12:40 am

2 stops23h 10m

$639

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Πεμ 5/21

7:20 am-7:20 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Πεμ 5/28

8:30 pm-12:30 am

2 stops23h 00m

$641
Quickest round-trip

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Πεμ 6/4

8:30 am-10:15 pm

2 stops18h 45m

Baltimore/Washington

Τρι 6/9

8:30 pm-5:35 pm

2 stops16h 05m

$656

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Πεμ 5/28

6:30 am-8:29 pm

3 stops18h 59m

Washington, D.C. Dulles Intl

Πεμ 10/8

8:30 pm-10:55 pm

2 stops21h 25m

$666

Flights are sorted by cheapest round-trip 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 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 $756. 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 $893.

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

At noon 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 $800. Flying to Washington, D.C. at noon 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 $816. 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 10m

Direct flights

None
The fastest flight from London Stansted Airport to Washington, D.C. takes 12h 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..

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 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.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

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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1 adult
Παρ 5/22
Παρ 5/29

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.