IAD - STN

$330 Find Cheap Flights from Washington Dulles Airport to London Stansted Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$535
Typical prices: $623-$1,038
Multiple Airlines
Sat 9/29Fri 10/5
IAD - STN • 2 stops
Cheapest one-way
$330
Typical prices: $370-$576
Multiple Airlines
Wed 10/3
IAD - STN • 3 stops
When to travel
February
Cheapest • 32% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dublin (DUB)
Cheapest • Avg $919 (round-trip)
Lisbon Humberto Delgado (LIS)
Shortest trip • 13h 57m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to London Stansted Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Stansted (IAD-STN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Stansted

Tue, Sep 29 - Mon, Oct 5
Multiple Airlines Logo
9:45 am - 4:00 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
25h 15m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas
Multiple Airlines Logo
8:45 pm - 7:25 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
27h 40m2 stops Madrid Barajas Munich Franz Josef Strauss
$535Multiple Airlines
Fri, Oct 23 - Fri, Oct 30
Multiple Airlines Logo
9:55 am - 4:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
26h 00m2 stops Toronto Pearson Intl Madrid Barajas
Multiple Airlines Logo
8:45 pm - 6:00 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
25h 15m2 stops Madrid Barajas Zurich
$610Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
9:45 am - 11:40 amIAD  Washington, D.C. Dulles Intl-STN London Stansted
20h 55m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas
Multiple Airlines Logo
10:25 am - 6:00 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
35h 35m2 stops Madrid Barajas Zurich
$633Multiple Airlines
Mon, Oct 12 - Sun, Oct 18
Multiple Airlines Logo
4:00 pm - 3:30 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
18h 30m2 stops Toronto Pearson Intl Madrid Barajas
Multiple Airlines Logo
3:40 pm - 4:05 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
29h 25m2 stops Madrid Barajas Frankfurt am Main
$636Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
9:05 pm - 7:35 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
17h 30m1 stop Dublin
Multiple Airlines Logo
7:15 am - 4:45 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
13h 30m1 stop Dublin
$661Multiple Airlines
Sat, Dec 5 - Fri, Dec 11
Multiple Airlines Logo
5:25 pm - 8:20 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 55m2 stops Lisbon Humberto Delgado Madrid Barajas
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
$684Multiple Airlines
Sat, Nov 28 - Thu, Dec 3
Multiple Airlines Logo
5:15 pm - 7:40 amIAD  Washington, D.C. Dulles Intl-STN London Stansted
9h 25m1 stop Dublin
Multiple Airlines Logo
6:45 am - 3:45 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
14h 00m1 stop Dublin
$684Multiple Airlines
Thu, Oct 22 - Sun, Nov 1
Multiple Airlines Logo
5:45 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
19h 05m2 stops Lisbon Humberto Delgado Malaga
Multiple Airlines Logo
10:35 am - 3:15 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
33h 40m2 stops Malaga Lisbon Humberto Delgado
$684Multiple Airlines
Wed, Nov 11 - Sun, Nov 15
Multiple Airlines Logo
8:50 pm - 5:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
16h 00m1 stop Dublin
Multiple Airlines Logo
6:30 am - 3:45 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
14h 15m1 stop Dublin
$684Multiple Airlines
Fri, Oct 16 - Mon, Oct 19
Multiple Airlines Logo
9:45 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 45m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas
Multiple Airlines Logo
8:45 pm - 7:25 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
27h 40m2 stops Madrid Barajas Munich Franz Josef Strauss
$685Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to London Stansted Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport with more confidence.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

Sunday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to London Stansted Airport, it is 24% cheaper than the average day. Tuesday is the most expensive day with flight prices 53% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to London Stansted Airport flights

Low season

October

Cheapest flight

$330
Most popular time to fly and prices are also 23% lower on average.
Flight from Washington, D.C. Dulles Intl Airport to London Stansted Airport

When to book flights from Dulles Intl to Stansted

Are your dates flexible? Find out the best times to travel from Dulles Intl to Stansted based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to London Stansted Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

    Flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at London Stansted (STN).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

    Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport most commonly connect through:

    • Dublin (DUB) - 58% of one-stop connections
    • Kastrup Copenhagen (CPH) - 21% of one-stop connections
    • Istanbul (IST) - 17% of one-stop connections
    • Lisbon Humberto Delgado (LIS) - 4% of one-stop connections

    Dublin (DUB) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

    On the Washington, D.C. Dulles Intl Airport to London Stansted Airport route, being flexible with your departure day can save you up to 50%. Sunday is the cheapest day at $678 round-trip on average, while Tuesday is the most expensive at $1,356: a $678 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in London Stansted Airport?

    Some of the most popular sights in London Stansted Airport are Hyde Park, Buckingham Palace and Trafalgar Square. These are among the most viewed places in London Stansted Airport on KAYAK.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

    There are currently no nonstop flights available from Washington, D.C. Dulles Intl Airport to London Stansted Airport. Flights with 1 layover take between 11h 32m and 21h 11m in total, depending on the connection.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to London Stansted Airport looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to London Stansted Airport are currently lower than usual. Average one-way flight prices are about $336, which is 25% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to London Stansted Airport?

    Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 11h 32m, compared with 13h 57m via Lisbon Humberto Delgado (LIS) and 13h 58m via Kastrup Copenhagen (CPH).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and London Stansted Airport?

    London Stansted Airport is 5 hours ahead of Washington, D.C. Dulles Intl Airport (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at London Stansted Airport (STN)?

    London Stansted Airport (STN) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to London Stansted Airport flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to London Stansted Airport range from $623 to $1,038, with an average of $882 over the past 12 months. Anything below $623 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to London Stansted Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Tuesday. On this route, Sunday flights average $678 - about $678 less than Tuesday (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to London Stansted Airport trip for February. Fares historically average $597 round-trip in that month - typically $552 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Dulles Intl to Stansted

Complete your trip to Stansted with a hotel stay or car rental

Car rentals in London
Hotels in London
Vacations in London