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Cheap flights from Washington, D.C. to London from $321

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:10 pm - 2:35 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
13h 25m1 stop Kastrup Copenhagen
Multiple Airlines Logo
7:15 am - 5:00 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
14h 45m1 stop Kastrup Copenhagen
$672Multiple Airlines
Tue, Apr 20 - Tue, Apr 27
Multiple Airlines Logo
5:25 pm - 7:45 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 20m2 stops Lisbon Humberto Delgado Madrid Barajas
Multiple Airlines Logo
5:35 pm - 3:15 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
26h 40m2 stops Madrid Barajas Lisbon Humberto Delgado
$673Multiple Airlines
Tue, Dec 8 - Sun, Dec 13
Multiple Airlines Logo
8:30 pm - 3:40 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
14h 10m1 stop Kastrup Copenhagen
Multiple Airlines Logo
8:15 am - 5:15 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
14h 00m1 stop Kastrup Copenhagen
$675Multiple Airlines
Wed, Mar 3 - Wed, Mar 10
Multiple Airlines Logo
8:30 pm - 11:15 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 45m2 stops Kastrup Copenhagen Helsinki-Vantaa
Multiple Airlines Logo
6:15 pm - 6:50 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
29h 35m3 stops Helsinki-Vantaa Stockholm Arlanda Kastrup Copenhagen
$676Multiple Airlines
Wed, Dec 2 - Fri, Dec 4
Multiple Airlines Logo
5:25 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
14h 35m2 stops Lisbon Humberto Delgado Barcelona-El Prat
Multiple Airlines Logo
9:10 am - 2:40 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
34h 30m1 stop Lisbon Humberto Delgado
$677Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
5:25 pm - 4:00 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
17h 35m2 stops Lisbon Humberto Delgado Madrid Barajas
Multiple Airlines Logo
7:05 pm - 2:40 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
24h 35m2 stops Madrid Barajas Lisbon Humberto Delgado
$678Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
7:40 pm - 9:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 15m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
Multiple Airlines Logo
5:30 pm - 2:40 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
26h 10m2 stops Kastrup Copenhagen Lisbon Humberto Delgado
$679Multiple Airlines
Thu, Jan 14 - Mon, Jan 18
Multiple Airlines Logo
5:25 pm - 5:05 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
18h 40m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
5:45 pm - 7:05 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
30h 20m2 stops Alicante Casablanca Mohamed V
$680Multiple Airlines
Mon, Nov 30 - Sat, Dec 5
Multiple Airlines Logo
5:25 pm - 4:00 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
17h 35m2 stops Lisbon Humberto Delgado Madrid Barajas
Multiple Airlines Logo
8:40 pm - 2:40 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
23h 00m2 stops Madrid Barajas Lisbon Humberto Delgado
$682Multiple Airlines
Mon, Nov 30 - Mon, Dec 7
Multiple Airlines Logo
7:40 pm - 9:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 10m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
10:35 pm - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
24h 55m2 stops Dublin Reykjavik Keflavik Intl
$683Multiple Airlines
Tue, Nov 24 - Mon, Nov 30

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Use the filters below to find and compare flights from Washington, D.C. to London Stansted Airport that are best for you.

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Quickest round-trip

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Tue 4/20

8:10 pm-2:35 pm

1 stop13h 25m

London Stansted

Tue 4/27

7:15 am-5:00 pm

1 stop14h 45m

$672

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Tue 12/8

5:25 pm-7:45 pm

2 stops21h 20m

London Stansted

Sun 12/13

5:35 pm-3:15 pm

2 stops26h 40m

$673

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Wed 3/3

8:30 pm-3:40 pm

1 stop14h 10m

London Stansted

Wed 3/10

8:15 am-5:15 pm

1 stop14h 00m

$675

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Wed 12/2

8:30 pm-11:15 pm

2 stops21h 45m

London Stansted

Fri 12/4

6:15 pm-6:50 pm

3 stops29h 35m

$676

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-1:00 pm

2 stops14h 35m

London Stansted

Mon 12/7

9:10 am-2:40 pm

1 stop34h 30m

$677

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-4:00 pm

2 stops17h 35m

London Stansted

Mon 12/7

7:05 pm-2:40 pm

2 stops24h 35m

$678

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Thu 1/14

7:40 pm-9:55 pm

2 stops21h 15m

London Stansted

Mon 1/18

5:30 pm-2:40 pm

2 stops26h 10m

$679

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-5:05 pm

1 stop18h 40m

London Stansted

Sat 12/5

5:45 pm-7:05 pm

2 stops30h 20m

$680

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-4:00 pm

2 stops17h 35m

London Stansted

Mon 12/7

8:40 pm-2:40 pm

2 stops23h 00m

$682

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Tue 11/24

7:40 pm-9:50 pm

2 stops21h 10m

London Stansted

Mon 11/30

10:35 pm-6:30 pm

2 stops24h 55m

$683

Flights are sorted by cheapest round-trip flights 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?

The flight from Washington, D.C. to London Stansted Airport depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to London Heathrow Airport (the most popular airport in London Stansted Airport), then the flight time is 7h 10m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to London Heathrow Airport, then the average flight time is 8h 10m.

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 round-trip 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

Best Price Found

$321

Fastest flight time

12h 55m

Direct flights

None
The best one-way flight to London Stansted Airport from Washington, D.C. in the past 72 hours is $321. The best round-trip flight deal from Washington, D.C. to London Stansted Airport found on momondo in the last 72 hours is $672.
The fastest flight from Washington, D.C. to London Stansted Airport takes 12h 55m
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.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to London Stansted Airport

  • How far is Washington, D.C. to London Stansted by plane?

    A flight from Washington, D.C. to London Stansted will travel around 3668.5 mi. In terms of flight time, this usually takes a little over 12h 55m.

  • 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?

    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 Washington, D.C. to London Stansted Airport.

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

    The required travel and health documents for your London Stansted Airport 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 London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Hayes
Milton Keynes
Luton
Stansted
Kingston upon Thames
Watford
Richmond
Dover
Wembley
Crawley
Worthing
Harrow
Brentford
Canterbury
Hook
Dunstable
Eastbourne

Why use momondo?

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

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

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

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

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

Once all potential Washington, D.C. to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to London 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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