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Cheap flights from Washington, D.C. to London from £179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:30 - 20:55IAD-STN
17h 25m2 stops
Multiple Airlines Logo
07:40 - 21:00STN-IAD
18h 20m2 stops
£419Multiple Airlines
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Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
22:55 - 20:45IAD-STN
16h 50m2 stops
Multiple Airlines Logo
06:10 - 20:05STN-IAD
18h 55m2 stops
£420Multiple Airlines
Find Deal
Fri, 7 Nov - Mon, 10 Nov
Multiple Airlines Logo
09:45 - 23:20IAD-STN
32h 35m3 stops
Multiple Airlines Logo
06:10 - 20:05STN-IAD
18h 55m2 stops
£421Multiple Airlines
Find Deal
Sun, 16 Nov - Sun, 23 Nov
Multiple Airlines Logo
09:00 - 20:55IAD-STN
30h 55m3 stops
Multiple Airlines Logo
12:00 - 16:40STN-IAD
33h 40m2 stops
£421Multiple Airlines
Find Deal
Wed, 26 Nov - Mon, 1 Dec
Multiple Airlines Logo
22:55 - 21:20IAD-STN
17h 25m2 stops
Multiple Airlines Logo
17:00 - 15:50STN-IAD
27h 50m2 stops
£423Multiple Airlines
Find Deal
Mon, 3 Nov - Mon, 10 Nov
Multiple Airlines Logo
11:05 - 20:30DCA-STN
28h 25m3 stops
Multiple Airlines Logo
07:40 - 22:35STN-DCA
19h 55m3 stops
£423Multiple Airlines
Find Deal
Tue, 18 Nov - Tue, 25 Nov
Multiple Airlines Logo
18:00 - 20:30IAD-STN
21h 30m2 stops
Multiple Airlines Logo
08:30 - 20:59STN-IAD
17h 29m2 stops
£424Multiple Airlines
Find Deal
Tue, 25 Nov - Thu, 11 Dec
Multiple Airlines Logo
11:05 - 20:30DCA-STN
28h 25m3 stops
Multiple Airlines Logo
08:30 - 21:56STN-DCA
18h 26m2 stops
£424Multiple Airlines
Find Deal
Tue, 25 Nov - Thu, 11 Dec
Multiple Airlines Logo
11:05 - 20:30DCA-STN
28h 25m2 stops
Multiple Airlines Logo
07:40 - 21:56STN-DCA
19h 16m2 stops
£424Multiple Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Multiple Airlines Logo
09:00 - 23:20IAD-STN
33h 20m3 stops
Multiple Airlines Logo
19:25 - 20:26STN-IAD
30h 01m3 stops
£425Multiple Airlines
Find Deal
Sun, 16 Nov - Wed, 19 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to London Stansted Airport 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 20 October 2025.
Use the filters below to find and compare flights from Washington, D.C. to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Wed 3/12

22:30-20:55

2 stops17h 25m

London Stansted

Wed 10/12

07:40-21:00

2 stops18h 20m

£419

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 7/11

22:55-20:45

2 stops16h 50m

London Stansted

Mon 10/11

06:10-20:05

2 stops18h 55m

£420

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 16/11

09:45-23:20

3 stops32h 35m

London Stansted

Sun 23/11

06:10-20:05

2 stops18h 55m

£421

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Wed 26/11

09:00-20:55

3 stops30h 55m

London Stansted

Mon 1/12

12:00-16:40

2 stops33h 40m

£421

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 3/11

22:55-21:20

2 stops17h 25m

London Stansted

Mon 10/11

17:00-15:50

2 stops27h 50m

£423

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Tue 18/11

11:05-20:30

3 stops28h 25m

London Stansted

Tue 25/11

07:40-22:35

3 stops19h 55m

£423

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 25/11

18:00-20:30

2 stops21h 30m

London Stansted

Thu 11/12

08:30-20:59

2 stops17h 29m

£424

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Tue 25/11

11:05-20:30

3 stops28h 25m

London Stansted

Thu 11/12

08:30-21:56

2 stops18h 26m

£424

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Tue 11/11

11:05-20:30

2 stops28h 25m

London Stansted

Tue 18/11

07:40-21:56

2 stops19h 16m

£424

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 16/11

09:00-23:20

3 stops33h 20m

London Stansted

Wed 19/11

19:25-20:26

3 stops30h 01m

£425

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 London from

How to get the cheapest flight ticket from Washington, D.C. to London Stansted Airport

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

How long does it take to fly to London Stansted Airport?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in London Stansted Airport you fly into. For example, flying from Baltimore to London Heathrow Airport takes 7h 05m on average. On the other hand, flying from Washington, D.C. to London Heathrow Airport takes 8h 12m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

When to book flights from Washington, D.C. to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to London Stansted Airport (WAS to STN) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. to London Stansted Airport. There are no popular flight routes from Washington, D.C. to London Stansted Airport.
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  • How far is Washington, D.C. to London Stansted by plane?

    London Stansted is 3668.5 mi away from Washington, D.C.. 11h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to London Stansted Airport?

    Prices for flights from Washington, D.C. to London Stansted Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to London Stansted Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The travel and health documents you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Bedford
Ramsgate
Stansted

Why use momondo?

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

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 London from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to London from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to London.

I’m not ready to book a flight from Washington, D.C. to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Stansted Airport trip

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