STN - IAD

$516 Find Cheap Flights from London Stansted Airport to Washington, D.C. - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$604
Typical prices: $700-$1,026
Multiple Airlines
Sun 11/25Thu 11/29
STN - IAD • 2 stops
Cheapest one-way
$516
Typical prices: $471-$572
Multiple Airlines
Sat 4/28
STN - IAD • 3 stops
When to travel
November
Cheapest • 35% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Casablanca Mohamed V (CMN)
Cheapest • Avg $699 (round-trip)
Dublin (DUB)
Shortest trip • 12h 38m (one-way)
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
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Flight Deals

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

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

Recent round-trip flight deals from Stansted to Dulles Intl

Wed, Nov 25 - Sun, Nov 29
Multiple Airlines Logo
8:30 am - 2:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
35h 00m2 stops Madrid Barajas Rome Fiumicino
Multiple Airlines Logo
4:30 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
25h 25m2 stops Rome Fiumicino Madrid Barajas
$604Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
8:20 pm - 2:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
23h 10m2 stops Madrid Barajas Rome Fiumicino
Multiple Airlines Logo
4:30 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
25h 25m2 stops Rome Fiumicino Madrid Barajas
$618Multiple Airlines
Sat, Nov 21 - Sun, Nov 29
Multiple Airlines Logo
8:50 pm - 2:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
22h 40m2 stops Madrid Barajas Rome Fiumicino
Multiple Airlines Logo
4:30 pm - 2:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
17h 20m2 stops Rome Fiumicino Madrid Barajas
$636Multiple Airlines
Wed, Dec 2 - Sun, Dec 6
Multiple Airlines Logo
12:30 pm - 3:15 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
31h 45m2 stops Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
10:30 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
19h 25m2 stops Lisbon Humberto Delgado Madrid Barajas
$651Multiple Airlines
Fri, Jan 15 - Wed, Jan 20
Multiple Airlines Logo
4:15 pm - 3:55 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
28h 40m2 stops Madrid Barajas Amsterdam Schiphol
Multiple Airlines Logo
6:40 pm - 11:45 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
24h 05m2 stops Paris Charles de Gaulle Madrid Barajas
$664Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Multiple Airlines Logo
8:10 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
15h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 6:00 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
17h 20m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
$670Multiple Airlines
Mon, Nov 23 - Sun, Dec 6
Multiple Airlines Logo
8:10 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
15h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 5:30 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
16h 50m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
$673Multiple Airlines
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
7:50 pm - 8:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
29h 40m2 stops Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
5:25 pm - 7:25 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 00m2 stops Lisbon Humberto Delgado Madrid Barajas
$675Multiple Airlines
Fri, Dec 4 - Mon, Dec 7
Multiple Airlines Logo
6:45 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
16h 45m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 3:10 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
14h 30m2 stops Reykjavik Keflavik Intl Dublin
$680Multiple Airlines
Thu, Dec 3 - Tue, Dec 8
Multiple Airlines Logo
6:45 am - 6:30 pmSTN  London Stansted-IAD Washington, D.C. Dulles Intl
16h 45m2 stops Dublin Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 9:50 pmIAD  Washington, D.C. Dulles Intl-STN London Stansted
21h 10m2 stops Reykjavik Keflavik Intl Dublin
$687Multiple Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from London Stansted Airport to Washington, D.C. Dulles Intl Airport. It’s 35% cheaper than the average day, while Thursday is the most expensive, with prices 21% higher.

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

Cheapest flight

$516
The most popular month to fly with an average 36% increase in travelers.
One-way flight from London Stansted Airport to Washington, D.C. Dulles Intl Airport

When to book flights from Stansted to Dulles Intl

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

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

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

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

    There are currently no nonstop flights available from London Stansted Airport to Washington, D.C. Dulles Intl Airport. Flights with 1 layover take between 12h 38m and 15h 17m in total, depending on the connection.

  • Do I need a passport to fly from London Stansted Airport to Washington, D.C. Dulles Intl 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 much should I expect to pay for a London Stansted Airport to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport range from $700 to $1,026, with an average of $865 over the past 12 months. Anything below $700 counts as a good deal.

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

    One-way fares from London Stansted Airport to Washington, D.C. Dulles Intl Airport are currently higher than usual. Average one-way flight prices are about $521, which is 6% above the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

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

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

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

    Connecting flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport most commonly pass through:

    • Dublin (DUB) - 95% of one-stop connections
    • Casablanca Mohamed V (CMN) - 5% of one-stop connections

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

    Yes. Flexible dates can save you up to 47% on flights from London Stansted Airport to Washington, D.C. Dulles Intl Airport. Saturday is the cheapest departure day at $563 round-trip on average, while Thursday is the most expensive at $1,053, a difference of $490.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 12h 38m, compared with 15h 17m via Casablanca Mohamed V (CMN).

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

    Washington, D.C. Dulles Intl Airport is 4 hours behind London Stansted Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Thursday. On this route, Saturday flights average $563, about $490 less than Thursday fares (47% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London Stansted Airport to Washington, D.C. Dulles Intl Airport trip for November. Fares historically average $563 round-trip in that month - typically $463 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Stansted to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

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Hotels in Washington, D.C.
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