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Cheap flights from Washington, D.C. to London from $274

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
8:30 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
16h 20m1 stop Kastrup Copenhagen
Multiple Airlines Logo
6:45 am - 5:15 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Kastrup Copenhagen
$672Multiple Airlines
Mon, Feb 8 - Mon, Feb 22
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
$673Multiple Airlines
Wed, Mar 3 - Wed, Mar 10
Multiple Airlines Logo
5:25 pm - 6:20 amIAD  Washington, D.C. Dulles Intl-STN London Stansted
31h 55m3 stops Lisbon Humberto Delgado Madrid Barajas Casablanca Mohamed V
Multiple Airlines Logo
6:00 am - 8:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
19h 30m2 stops Madrid Barajas Lisbon Humberto Delgado
$674Multiple Airlines
Thu, Jan 14 - Fri, Jan 22
Multiple Airlines Logo
10:30 pm - 11:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
20h 20m2 stops Lisbon Humberto Delgado Madrid Barajas
Multiple Airlines Logo
9:15 am - 2:40 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
34h 25m2 stops Madrid Barajas Lisbon Humberto Delgado
$674Multiple Airlines
Fri, Dec 4 - Mon, Dec 7
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
$674Multiple Airlines
Wed, Jan 13 - Wed, Jan 20
Multiple Airlines Logo
5:25 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-STN London Stansted
34h 20m1 stop Lisbon Humberto Delgado
Multiple Airlines Logo
3:15 pm - 7:05 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
32h 50m2 stops Madrid Barajas Casablanca Mohamed V
$675Multiple Airlines
Sat, Nov 28 - Sat, Dec 5
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
$675Multiple Airlines
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
8:30 pm - 3:30 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
14h 00m1 stop Kastrup Copenhagen
Multiple Airlines Logo
7:20 am - 5:15 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
14h 55m1 stop Kastrup Copenhagen
$676Multiple Airlines
Sat, Jan 16 - Thu, Jan 21
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
7:15 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
16h 15m2 stops Dublin Reykjavik Keflavik Intl
$676Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
Multiple Airlines Logo
7:40 pm - 9:55 pmBWI  Baltimore/Washington-STN London Stansted
21h 15m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
10:35 pm - 6:40 pmSTN  London Stansted-BWI Baltimore/Washington
25h 05m2 stops Dublin Reykjavik Keflavik Intl
$694Multiple Airlines
Mon, Nov 23 - 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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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Mon 2/8

8:30 pm-5:50 pm

1 stop16h 20m

London Stansted

Mon 2/22

6:45 am-5:15 pm

1 stop15h 30m

$672
Quickest round-trip

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

$673

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Thu 1/14

5:25 pm-6:20 am

3 stops31h 55m

London Stansted

Fri 1/22

6:00 am-8:30 pm

2 stops19h 30m

$674

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Fri 12/4

10:30 pm-11:50 pm

2 stops20h 20m

London Stansted

Mon 12/7

9:15 am-2:40 pm

2 stops34h 25m

$674

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Wed 1/13

8:30 pm-3:40 pm

1 stop14h 10m

London Stansted

Wed 1/20

8:15 am-5:15 pm

1 stop14h 00m

$674

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Sat 11/28

5:25 pm-8:45 am

1 stop34h 20m

London Stansted

Sat 12/5

3:15 pm-7:05 pm

2 stops32h 50m

$675

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

$675

Washington, D.C.London

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

IADSTN

Washington, D.C. Dulles Intl

Sat 1/16

8:30 pm-3:30 pm

1 stop14h 00m

London Stansted

Thu 1/21

7:20 am-5:15 pm

1 stop14h 55m

$676

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

Tue 12/1

7:15 am-6:30 pm

2 stops16h 15m

$676

BaltimoreLondon

BWI Baltimore/Washington - STN London Stansted

BWISTN

Baltimore/Washington

Mon 11/23

7:40 pm-9:55 pm

2 stops21h 15m

London Stansted

Mon 11/30

10:35 pm-6:40 pm

2 stops25h 05m

$694

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 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 07m.

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

$274

Fastest flight time

9h 35m

Direct flights

None
The best one-way flight to London Stansted Airport from Washington, D.C. in the past 72 hours is $274. 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 9h 35m
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 9h 35m.

  • 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
Dover
Wembley
Watford
Richmond
Crawley
Worthing
Harrow
Brentford
Hook
Slough
Canterbury
Dunstable

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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