IAD - HEL

$336 Find Cheap Flights from Washington Dulles Airport to Helsinki - Compare and Save

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Everything you should know

Cheapest round-trip
$357
Typical prices: $497-$907
Scandinavian Airlines
Fri 10/12Sun 10/28
IAD - HEL • 1 stop
Cheapest one-way
$336
Typical prices: $365-$522
Multiple Airlines
Tue 11/13
IAD - HEL • 3 stops
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
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 36% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 29% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $481 (round-trip)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 11h 24m (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

Mon, Oct 12 - Wed, Oct 28
Scandinavian Airlines Logo
8:20 pm - 1:30 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
22h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
9:00 pm - 6:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Kastrup Copenhagen
$357Scandinavian Airlines
Fri, Feb 19 - Fri, Feb 26
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
$362Icelandair
Sun, Jan 24 - Sat, Feb 27
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
$363Icelandair
Mon, Oct 12 - Wed, Oct 28
Scandinavian Airlines Logo
8:20 pm - 1:30 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
22h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
9:00 pm - 6:15 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Kastrup Copenhagen
$363Scandinavian Airlines
Sun, Oct 25 - Tue, Nov 10
Multiple Airlines Logo
6:42 am - 11:40 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
22h 58m1 stop Dallas/Fort Worth
Multiple Airlines Logo
12:30 pm - 11:30 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
18h 00m1 stop Dallas/Fort Worth
$554Multiple Airlines
Wed, Oct 7 - Tue, Oct 20
Lufthansa Logo
10:20 pm - 1:35 amIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
20h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 7:25 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
20h 25m1 stop Munich Franz Josef Strauss
$585Lufthansa
Mon, Oct 12 - Wed, Oct 28
Air France Logo
6:15 pm - 4:40 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
15h 25m1 stop Paris Charles de Gaulle
Air France Logo
6:40 am - 4:55 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
16h 15m1 stop Amsterdam Schiphol
$588Air France
Tue, Dec 1 - Tue, Dec 8
Lufthansa Logo
10:55 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
12h 50m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:05 am - 3:55 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
15h 50m1 stop Frankfurt am Main
$593Lufthansa
Thu, Oct 8 - Tue, Oct 20
United Airlines Logo
10:20 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
13h 35m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 7:25 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
20h 25m1 stop Munich Franz Josef Strauss
$638United Airlines
Sun, Feb 21 - Mon, Mar 1
United Airlines Logo
10:20 am - 6:45 pmIAD  Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa
25h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
12:35 pm - 8:05 pmHEL  Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl
14h 30m1 stop Munich Franz Josef Strauss
$647United 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 from Washington, D.C. Dulles Intl Airport to Helsinki 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 start at $357. Prices are below average for this route right now, with typical round-trip fares ranging from $497 to $907. The lowest price found in the past 5 days was $357 on Scandinavian Airlines.

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

Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Helsinki, it is 19% cheaper than the average day. Wednesday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • March is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Helsinki at $486 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 107% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Washington, D.C. Dulles Intl Airport to Helsinki are cheapest 16 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

May

Cheapest flight

$336
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 28% lower on average.
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 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 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).

  • 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

  • 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) - 47% of one-stop connections
    • Kastrup Copenhagen (CPH) - 24% of one-stop connections
    • Frankfurt am Main (FRA) - 11% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 7% 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 Washington, D.C. Dulles Intl Airport to Helsinki?

    Yes. Being flexible with your travel dates can save you up to 23% on the Washington, D.C. Dulles Intl Airport to Helsinki route. Monday is the cheapest departure day at $560 round-trip on average, while Wednesday is the most expensive at $727, a difference of $167. 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 Helsinki?

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

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 9% above the route average of $687. Book 16 weeks before departure for the lowest fares.

  • 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 0h 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 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 $461, which is 5% above 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 Helsinki?

    Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 11h 24m, compared with 13h 25m via Frankfurt am Main (FRA) and 13h 47m via Munich Franz Josef Strauss (MUC).

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

    Helsinki is 7 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 car rental options are available at Helsinki-Vantaa Airport (HEL)?

    Helsinki-Vantaa Airport (HEL) hosts 5 major car rental companies, with daily rates starting from around $3 for economy cars. Top options include:
    • ADDCAR RENTAL
    • GREEN MOTION
    • Alamo
    • Sixt
    • Europcar

  • 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 $497 to $907, with an average of $687 over the past 12 months. Anything below $497 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Wednesday. On this route, Monday flights average $560 - about $167 less than Wednesday (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 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 March. Fares historically average $486 round-trip in that month - typically $523 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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