HEL - IAD

$484 Find Cheap Flights from Helsinki 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
$484
Typical prices: $519-$770
Icelandair
Sat 11/24Sat 12/8
HEL - IAD • 1 stop
Cheapest one-way
$503
Typical prices: $617-$1,037
Multiple Airlines
Tue 10/30
HEL - IAD • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Helsinki and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
9 weeks
in advance
Our data shows that travelers who book at least 9 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 24% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $614 (round-trip)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 11h 14m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Helsinki to Dulles Intl (HEL-IAD)

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

Recent round-trip flight deals from Helsinki to Dulles Intl

Tue, Nov 24 - Tue, Dec 8
Icelandair Logo
2:00 pm - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
10h 20m1 stop Reykjavik Keflavik Intl
$484Icelandair
Thu, Oct 15 - Wed, Oct 28
Multiple Airlines Logo
12:20 pm - 11:23 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
18h 03m1 stop Dallas/Fort Worth
Multiple Airlines Logo
6:42 am - 11:40 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
22h 58m1 stop Dallas/Fort Worth
$496Multiple Airlines
Sun, Oct 25 - Sat, Nov 7
Multiple Airlines Logo
12:30 pm - 11:23 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
16h 53m1 stop Dallas/Fort Worth
Multiple Airlines Logo
7:18 am - 11:40 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
21h 22m1 stop Dallas/Fort Worth
$496Multiple Airlines
Wed, Oct 28 - Mon, Nov 9
Multiple Airlines Logo
12:30 pm - 11:23 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
16h 53m1 stop Dallas/Fort Worth
Multiple Airlines Logo
7:14 am - 11:40 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
21h 26m1 stop Dallas/Fort Worth
$496Multiple Airlines
Wed, Nov 18 - Mon, Nov 30
Icelandair Logo
2:00 pm - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
10h 20m1 stop Reykjavik Keflavik Intl
$546Icelandair
Wed, Nov 18 - Mon, Nov 30
Icelandair Logo
2:00 pm - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
10h 20m1 stop Reykjavik Keflavik Intl
$559Icelandair
Wed, Nov 18 - Mon, Nov 30
Icelandair Logo
2:00 pm - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
10h 20m1 stop Reykjavik Keflavik Intl
$596Icelandair
Wed, Nov 18 - Mon, Nov 30
Scandinavian Airlines Logo
6:15 am - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
18h 00m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:30 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
11h 55m1 stop Kastrup Copenhagen
$649Scandinavian Airlines
Wed, Nov 18 - Wed, Dec 2
Scandinavian Airlines Logo
4:05 pm - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
32h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:30 pm - 1:35 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
22h 05m1 stop Kastrup Copenhagen
$654Scandinavian Airlines
Wed, Nov 18 - Wed, Dec 2
Scandinavian Airlines Logo
4:05 pm - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
32h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:30 pm - 11:50 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
20h 20m2 stops Kastrup Copenhagen Stockholm Arlanda
$657Scandinavian Airlines
Booking Insights

Price, demand and travel trends for Helsinki 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 from Helsinki to Washington, D.C. Dulles Intl Airport with more confidence.

How much is a round-trip flight from Helsinki to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Helsinki to Washington, D.C. Dulles Intl Airport start at $484. Prices are below average for this route right now, with typical round-trip fares ranging from $519 to $770. The lowest price found in the past 5 days was $484 on Icelandair.

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

Friday is the cheapest day of the week to fly from Helsinki to Washington, D.C. Dulles Intl Airport, it is 9% cheaper than the average day. Tuesday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport?

  • November is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport at $494 round-trip.
  • July ($820) and June ($736) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Helsinki to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Helsinki to Washington, D.C. Dulles Intl Airport are cheapest 9 weeks before departure. Booking in this window typically costs about 27% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

April

Cheapest flight

$503
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 24% lower on average.
Flight from Helsinki to Washington, D.C. Dulles Intl Airport

When to book flights from Helsinki to Dulles Intl

Are your dates flexible? Find out the best times to travel from Helsinki 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 Helsinki to Washington, D.C. Dulles Intl 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 Helsinki to Washington, D.C. Dulles Intl Airport?

    Flights from Helsinki to Washington, D.C. Dulles Intl Airport usually depart from Helsinki-Vantaa (HEL) and arrive at Washington, D.C. Dulles Intl (IAD).

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

    Two cabin classes are available on flights from Helsinki to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • Premium Economy Class

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

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

    • Reykjavik Keflavik Intl (KEF) - 38% of one-stop connections
    • Amsterdam Schiphol (AMS) - 26% of one-stop connections
    • Kastrup Copenhagen (CPH) - 26% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 3% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 19% on the Helsinki to Washington, D.C. Dulles Intl Airport route. Friday is the cheapest departure day at $594 round-trip on average, while Tuesday is the most expensive at $725, a difference of $131. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

  • How expensive are last-minute Helsinki to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 13% above the route average of $650. Book 9 weeks before departure for the lowest fares.

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

    A nonstop flight from Helsinki to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 4,308 miles.

  • Do I need a passport to fly from Helsinki 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.

  • Have flight prices from Helsinki to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $484 to $1,630. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Helsinki to Washington, D.C. Dulles Intl Airport are currently higher than usual. Average one-way flight prices are about $1,033, which is 34% above the typical average for this route.

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

    Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 11h 14m, compared with 13h 14m via Kastrup Copenhagen (CPH) and 13h 52m via Munich Franz Josef Strauss (MUC).

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

    Washington, D.C. Dulles Intl Airport is 7 hours behind Helsinki (Eastern Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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 starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

    Round-trip flights from Helsinki to Washington, D.C. Dulles Intl Airport range from $519 to $770, with an average of $650 over the past 12 months. Anything below $519 counts as a good deal.

Your guide to booking Helsinki 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 can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $594 - about $131 less than Tuesday (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 27% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Helsinki to Washington, D.C. Dulles Intl Airport trip for November. Fares historically average $494 round-trip in that month - typically $326 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Helsinki to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

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