IAD - HEL

$271 Find Cheap Flights from Washington Dulles Airport to Helsinki - Compare and Save

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Everything you should know

Cheapest round-trip
$381
Typical prices: $493-$902
Scandinavian Airlines
Sat 1/27Fri 2/2
IAD - HEL • 1 stop
Cheapest one-way
$271
Typical prices: $361-$527
Icelandair
Sat 12/8
IAD - HEL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Helsinki. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
18 weeks
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 36% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 28% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Reykjavik Keflavik Intl (KEF)
Cheapest • Avg $686 (round-trip)
Frankfurt am Main (FRA)
Shortest trip • 13h 30m (one-way)
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Insights
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Flight Deals

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

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

Recent round-trip flight deals from Dulles Intl to Helsinki

Wed, Jan 27 - Tue, Feb 2
Scandinavian Airlines Logo
4:45 pm - 8:20 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
20h 35m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
9:00 pm - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Kastrup Copenhagen
$381Scandinavian Airlines
Thu, Jan 21 - Tue, Jan 26
Scandinavian Airlines Logo
8:30 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
31h 05m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
4:05 pm - 3:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
30h 10m1 stop Kastrup Copenhagen
$381Scandinavian Airlines
Tue, Feb 23 - Wed, Mar 3
Icelandair Logo
7:40 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
10h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:00 pm - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Reykjavik Keflavik Intl
$581Icelandair
Thu, Nov 26 - Thu, Dec 3
Icelandair Logo
7:40 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
10h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:00 pm - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Reykjavik Keflavik Intl
$583Icelandair
Wed, Jan 13 - Mon, Jan 18
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
Multiple Airlines Logo
9:20 am - 6:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
16h 10m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
$623Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
8:30 pm - 10:25 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
18h 55m2 stops Kastrup Copenhagen Stockholm Arlanda
Multiple Airlines Logo
7:50 pm - 5:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
28h 25m2 stops Stockholm Arlanda Kastrup Copenhagen
$628Multiple Airlines
Sun, Mar 21 - Tue, Mar 30
Lufthansa Logo
11:55 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
12h 50m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:55 am - 3:55 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
16h 00m1 stop Frankfurt am Main
$717Lufthansa
Sun, Mar 21 - Fri, Mar 26
Lufthansa Logo
11:55 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
12h 50m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:05 am - 4:55 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
15h 50m1 stop Frankfurt am Main
$722Lufthansa
Tue, Jan 26 - Mon, Feb 1
United Airlines Logo
5:35 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
18h 10m1 stop Munich Franz Josef Strauss
United Airlines Logo
12:35 pm - 3:35 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
34h 00m1 stop Munich Franz Josef Strauss
$729United Airlines
Tue, Feb 9 - Thu, Feb 18
United Airlines Logo
5:35 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
18h 10m1 stop Munich Franz Josef Strauss
United Airlines Logo
12:35 pm - 10:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
16h 55m2 stops Munich Franz Josef Strauss Newark
$729United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Helsinki 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 Washington, D.C. Dulles Intl Airport to Helsinki?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Helsinki typically range from $493 to $902. The lowest price found in the past 5 days was $381, on Scandinavian Airlines.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Helsinki. It’s 9% cheaper than the average day, while Saturday is the most expensive, with prices 12% higher.

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

•January and March are the cheapest months to fly from Washington, D.C. Dulles Intl Airport to Helsinki at $492 round-trip.
•June ($1,009) and July ($1,002) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 105% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Washington, D.C. Dulles Intl Airport to Helsinki are cheapest 18 weeks before departure. Booking in this window typically costs about 36% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

September

Cheapest flight

$271
Beat the crowds with an average 27% drop in travelers.
The most popular month to fly with an average 23% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Helsinki

When to book flights from Dulles Intl to Helsinki

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

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

    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 Washington, D.C. Dulles Intl Airport to Helsinki flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Helsinki range from $493 to $902, with an average of $683 over the past 12 months. Anything below $493 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 8% above the $683 route average. Book 18 weeks before departure for the lowest fares.

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

    One-way fares from Washington, D.C. Dulles Intl Airport to Helsinki are currently higher than usual. Average one-way flight prices are about $499, which is 11% above the typical average for this route.

  • What car rental options are available at Helsinki-Vantaa Airport (HEL)?

    Helsinki-Vantaa Airport (HEL) hosts 5 major car rental companies, with daily rates averaging $51 for economy cars. Top options include:

    • ADDCAR RENTAL
    • GREEN MOTION
    • Alamo
    • Sixt
    • Europcar

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

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

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

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

    • Reykjavik Keflavik Intl (KEF) - 51% of one-stop connections
    • Kastrup Copenhagen (CPH) - 24% of one-stop connections
    • Frankfurt am Main (FRA) - 9% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 7% of one-stop connections

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

    Yes. Flexible dates can save you up to 19% on flights from Washington, D.C. Dulles Intl Airport to Helsinki. Monday is the cheapest departure day at $627 round-trip on average, while Saturday is the most expensive at $767, a difference of $140.

    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 Washington, D.C. Dulles Intl Airport to Helsinki?

    Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 11h 19m, compared with 13h 30m via Frankfurt am Main (FRA) and 13h 48m via Munich Franz Josef Strauss (MUC).

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

    Helsinki is 6 hours ahead of Washington, D.C. Dulles Intl Airport (Eastern European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Helsinki?

    Some of the most popular sights in Helsinki are Helsinki Central Station Square, Helsingin päärautatieasema and Esplanadi park. These are among the most viewed places in Helsinki on KAYAK.

Your guide to booking Washington, D.C. Dulles Intl Airport to Helsinki 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 Monday departure and avoid flying on Saturday. On this route, Monday flights average $627, about $140 less than Saturday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 36% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Helsinki trip for January. Fares historically average $492 round-trip in that month - typically $517 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Dulles Intl to Helsinki

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