HEL - IAD

$373 Find Cheap Flights from Helsinki to Washington, D.C. - Compare and Save

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Everything you should know

Cheapest round-trip
$586
Typical prices: $543-$797
Icelandair
Mon 11/12Mon 11/26
HEL - IAD • 1 stop
Cheapest one-way
$373
Typical prices: $578-$985
Icelandair
Mon 11/12
HEL - IAD • 1 stop
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
13 weeks
in advance
Our data shows that travelers who book at least 13 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 23% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $602 (round-trip)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 11h 16m (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

Thu, Nov 12 - Thu, Nov 26
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
$586Icelandair
Thu, Nov 12 - Wed, Nov 25
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
$589Icelandair
Thu, Nov 12 - Wed, Nov 25
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
$597Icelandair
Thu, Nov 12 - Wed, Nov 25
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
$598Icelandair
Thu, Nov 12 - Wed, Nov 25
Multiple Airlines Logo
7:20 am - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
18h 10m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
36h 00m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Riga Intl
$615Multiple Airlines
Fri, Jan 15 - Sun, Jan 24
Finnair Logo
7:50 am - 3:40 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
14h 50m1 stop London Heathrow
Finnair Logo
6:05 pm - 11:05 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
22h 00m1 stop London Heathrow
$629Finnair
Wed, Nov 18 - Mon, Nov 30
Scandinavian Airlines Logo
11:10 am - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
13h 05m1 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
$636Scandinavian Airlines
Wed, Nov 18 - Mon, Nov 30
American Airlines Logo
12:30 pm - 1:43 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
32h 13m1 stop Dallas/Fort Worth
American Airlines Logo
2:41 pm - 10:45 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
37h 04m1 stop Dallas/Fort Worth
$640American Airlines
Wed, Nov 18 - Mon, Nov 30
Scandinavian Airlines Logo
7:00 am - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
17h 15m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
8:30 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
11h 55m1 stop Kastrup Copenhagen
$643Scandinavian Airlines
Wed, Nov 18 - Mon, Nov 30
Scandinavian Airlines Logo
11:10 am - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
13h 05m1 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
$644Scandinavian 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 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 typically range from $543 to $797. The lowest price found in the past 5 days was $586, on Icelandair.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Helsinki to Washington, D.C. Dulles Intl Airport. It’s 10% cheaper than the average day, while Tuesday is the most expensive, with prices 7% higher.

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

•February is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport at $521 round-trip.
•July ($820) and June ($768) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 57% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Helsinki to Washington, D.C. Dulles Intl Airport are cheapest 13 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

September

Cheapest flight

$373
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 41% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

  • 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 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.

  • 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 $543 to $797, with an average of $677 over the past 12 months. Anything below $543 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 10% above the $677 route average. Book 13 weeks before departure for the lowest fares.

  • 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 $586 to $1,876. 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 lower than usual. Average one-way flight prices are about $402, which is 44% below 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 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).

  • 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) - 40% of one-stop connections
    • Amsterdam Schiphol (AMS) - 29% of one-stop connections
    • Kastrup Copenhagen (CPH) - 24% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 3% of one-stop connections

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

    Yes. Flexible dates can save you up to 16% on flights from Helsinki to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $615 round-trip on average, while Tuesday is the most expensive at $728, a difference of $113.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 16m, compared with 13h 02m via Frankfurt am Main (FRA) and 13h 34m 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 6 hours behind Helsinki (Eastern Time vs Eastern European 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 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 are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average $615, about $113 less than Tuesday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 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 February. Fares historically average $521 round-trip in that month - typically $299 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

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
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