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Helsinki

$283+ Cheap flights from Dulles Intl (IAD) to Helsinki (HEL)

IAD — HEL
Oct 21 — Oct 281
Wed 10/21
Wed 10/28
1 adult, Economy
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Cheap flight deals from Dulles Intl to Helsinki

Cheapest flights from Dulles Intl to Helsinki

Thu 12/38:30 pm -
1 stop31h 05m
Tue 12/84:05 pm -
1 stop32h 10m
Deal found 9/18$376
Mon 10/269:30 pm -
1 stop22h 05m
Thu 11/126:15 am -
1 stop18h 00m
Deal found 9/19$379
Sat 11/148:30 pm -
2 stops20h 20m
Wed 11/256:15 am -
1 stop18h 00m
Deal found 9/17$380
Mon 10/58:20 pm -
1 stop17h 05m
Thu 10/159:05 pm -
1 stop26h 55m
Deal found 9/17$399

Find flight deals from Dulles Intl to Helsinki

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$376
(Mytrip)

One-way from

$283
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$796
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Helsinki-Vantaa flights.
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From Washington, D.C. Dulles Intl to Helsinki-Vantaa
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One-way flight from Washington, D.C. Dulles Intl to Helsinki-Vantaa
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Highest demand for flights based on searches. 17% potential increase in price ($149 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Mon 2/15

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$283

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Thu 12/24

7:40 pm-9:25 am

3 stops30h 45m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$324

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Mon 2/15

6:30 pm-4:40 pm

2 stops15h 10m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$333

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Sun 2/28

12:35 pm-6:45 pm

2 stops23h 10m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$337

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Mon 11/16

8:30 pm-1:35 am

1 stop22h 05m

Helsinki-Vantaa

Fri 11/20

9:00 pm-6:50 pm

1 stop28h 50m

$410

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Mon 9/28

8:30 pm-8:35 pm

2 stops17h 05m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$427

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Thu 12/24

3:22 pm-1:55 pm

2 stops15h 33m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$429

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Wed 9/30

3:25 pm-1:05 pm

1 stop14h 40m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$456

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Sat 10/10

8:30 pm-12:40 am

3 stops21h 10m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$472

Washington, D.C.Helsinki

IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa

IADHEL

Washington, D.C. Dulles Intl

Wed 9/30

6:15 pm-4:40 pm

1 stop15h 25m

Helsinki-Vantaa

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Helsinki

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Helsinki in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Helsinki flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Helsinki

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Helsinki, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $510). Flying from Washington, D.C. Dulles Intl Airport to Helsinki in June is currently the most expensive (average of $1,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Helsinki?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Helsinki flights typically cost between $528 and $955 in December.
The cheapest round-trip price found within the last 5 days was $376 on Scandinavian Airlines (Dec 3-Dec 8).

Reviews of airlines servicing Helsinki

See what other customers who have flown with Scandinavian Airlines,United Airlines, andIcelandair from Washington, D.C. Dulles Intl Airport to Helsinki have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,986 reviews

Food

6.8

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Scandinavian Airlines
7.4
Good
1,986 reviews
Scandinavian Airlines
7.4
Good
1,986 reviews

Food

6.8

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
United Airlines
7.4
Good
10,220 reviews
Scandinavian Airlines
7.4
Good
1,986 reviews

Food

6.8

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Icelandair
6.9
Okay
747 reviews
Scandinavian Airlines
7.4
Good
1,986 reviews

Food

6.8

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Lufthansa
6.8
Okay
8,237 reviews
Scandinavian Airlines
7.4
Good
1,986 reviews

Food

6.8

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Related info for your journey

  • What airport do you fly into for flights to Helsinki from Washington, D.C. Dulles Intl?

    Helsinki-Vantaa (HEL) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Helsinki. You should not have trouble finding flights to Helsinki-Vantaa from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Helsinki airport from Washington, D.C. Dulles Intl. It is only a 10.6 mi journey from Helsinki-Vantaa (HEL) to Helsinki’s city center.

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

    For as low as $410, Scandinavian Airlines can have you in Helsinki from Washington, D.C. Dulles Intl Airport in 22h 05m. The distance between Washington, D.C. Dulles Intl Airport and Helsinki is about 4308 mi.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Helsinki round-trip?

    Flying on Icelandair is currently your cheapest option to Helsinki, with prices starting at $374. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and United Airlines, with the lowest prices starting at $400 and $491, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to Helsinki for 46% less than the average price by searching for these airlines.

  • Can I find deals for flights from Dulles Intl to Helsinki that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Helsinki.

  • Can I find deals for business class flights from Dulles Intl to Helsinki?

    Yes. Cheapflights offers flight deals from Dulles Intl to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $510). Flying from Washington, D.C. Dulles Intl Airport to Helsinki in June is currently the most expensive (average of $1,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Helsinki?

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Alternative routes for Dulles Intl to Helsinki

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Dulles Intl to Rovaniemi flights

Top 4 airlines flying from Dulles Intl to Helsinki

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$374Average$751FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$604FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$491Average$821FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$493Average$959FlexibilityNo cancel feeOn-time76%

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