HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helsinki

$259+ Cheap flights from Dulles Intl (IAD) to Helsinki (HEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HEL
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Helsinki with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Helsinki

Cheapest flights from Dulles Intl to Helsinki
Explore the most affordable flight options available from Dulles Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This Ticket deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:20 pm
IAD
-
HEL
1 stop17h 05m
Scandinavian Airlines
Wed 5/66:10 am
HEL
-
IAD
1 stop17h 50m
Scandinavian Airlines
Deal found 4/5$510
This FlightHub deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm
IAD
-
HEL
1 stop10h 15m
Icelandair
Tue 11/171:55 pm
HEL
-
IAD
1 stop11h 35m
Icelandair
Deal found 4/5$537
This KAYAK deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:40 pm
IAD
-
HEL
1 stop10h 15m
Icelandair
Thu 11/261:55 pm
HEL
-
IAD
1 stop11h 35m
Icelandair
Deal found 4/5$560
This Flightnetwork deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:20 pm
IAD
-
HEL
2 stops20h 30m
Scandinavian Airlines
Mon 5/1111:15 am
HEL
-
IAD
1 stop12h 45m
Scandinavian Airlines
Deal found 4/6$561
This Mytrip deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:40 pm
IAD
-
HEL
1 stop10h 15m
Icelandair
Tue 12/81:55 pm
HEL
-
IAD
1 stop11h 35m
Icelandair
Deal found 4/7$572
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:30 pm
IAD
-
HEL
1 stop10h 30m
Icelandair
Tue 5/123:00 pm
HEL
-
IAD
1 stop11h 20m
Icelandair
Deal found 4/9$573
This oojo deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:20 pm
IAD
-
HEL
2 stops17h 15m
Scandinavian Airlines
Mon 9/286:10 am
HEL
-
IAD
1 stop17h 50m
Scandinavian Airlines
Deal found 4/8$576
This SmartFares deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:20 pm
IAD
-
HEL
1 stop22h 20m
Turkish Airlines
Tue 10/277:00 pm
HEL
-
IAD
1 stop23h 45m
Turkish Airlines
Deal found 4/8$579
This Trip.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:45 pm
IAD
-
HEL
1 stop19h 10m
Turkish Airlines
Tue 9/227:35 pm
HEL
-
IAD
1 stop31h 15m
Turkish Airlines
Deal found 4/7$580
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:40 pm
IAD
-
HEL
1 stop10h 15m
Icelandair
Thu 11/261:55 pm
HEL
-
IAD
1 stop11h 35m
Icelandair
Deal found 4/5$582

Find flight deals from Dulles Intl to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$510
(Ticket)

One-way from

$259
(oojo)

Popular in

July

Cheapest in

January

Average price

$565
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Helsinki-Vantaa flights.
Search Deals
From Washington, D.C. Dulles Intl to Helsinki-Vantaa
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
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

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 4/23

1:20 pm-6:40 pm

1 stop22h 20m

Helsinki-Vantaa

Sun 4/26

7:35 pm-7:50 pm

1 stop31h 15m

$728

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 4/23

12:45 pm-1:05 pm

2 stops17h 20m

Helsinki-Vantaa

Sun 4/26

7:00 am-3:35 pm

1 stop15h 35m

$774

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 4/23

5:40 pm-12:25 am

1 stop23h 45m

Helsinki-Vantaa

Sun 4/26

7:00 am-4:15 pm

2 stops16h 15m

$779

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 7/15

10:20 pm-6:55 pm

1 stop13h 35m

Helsinki-Vantaa

Thu 7/23

6:35 am-7:23 am

2 stops31h 48m

$946

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 8/2

6:15 pm-4:40 pm

1 stop15h 25m

Helsinki-Vantaa

Thu 8/13

7:00 am-3:35 pm

1 stop15h 35m

$984

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 6/26

11:20 pm-2:00 pm

1 stop31h 40m

Helsinki-Vantaa

Mon 7/20

11:40 am-7:20 pm

2 stops38h 40m

$1,013

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 5/14

5:40 pm-12:25 am

1 stop23h 45m

Helsinki-Vantaa

Tue 6/2

1:55 pm-3:35 pm

1 stop32h 40m

$1,050

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 6/25

8:30 pm-6:40 pm

2 stops15h 10m

Helsinki-Vantaa

Mon 7/20

11:40 am-7:20 pm

2 stops38h 40m

$1,055

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 6/23

6:15 pm-4:40 pm

1 stop15h 25m

Helsinki-Vantaa

Wed 7/1

1:55 pm-3:35 pm

1 stop32h 40m

$1,135
Quickest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 6/16

7:59 pm-5:40 pm

2 stops14h 41m

Helsinki-Vantaa

Tue 6/23

7:00 am-3:35 pm

1 stop15h 35m

$1,194

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Helsinki. Price data was last updated on April 3, 2026.

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 63 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $359). Flying from Washington, D.C. Dulles Intl Airport to Helsinki in June is currently the most expensive (average of $636). 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?

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated April 10, 2026.
See what other customers who have flown with United Airlines,Scandinavian 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.
United Airlines
7.4
Good
9,557 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,557 reviews
United Airlines
7.4
Good
9,557 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Scandinavian Airlines
7.3
Good
1,748 reviews
United Airlines
7.4
Good
9,557 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.0
Good
631 reviews
United Airlines
7.4
Good
9,557 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,900 reviews
United Airlines
7.4
Good
9,557 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 $774, Turkish Airlines can have you in Helsinki from Washington, D.C. Dulles Intl Airport in 17h 20m. The distance between Washington, D.C. Dulles Intl Airport and Helsinki is about 4308 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $363. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and United Airlines, with the lowest prices starting at $467 and $481, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to Helsinki for 39% 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, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $359). Flying from Washington, D.C. Dulles Intl Airport to Helsinki in June is currently the most expensive (average of $636). 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?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Lahti

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Helsinki flights
Dulles Intl to Rovaniemi flights

Top 4 airlines flying from Dulles Intl to Helsinki

Discover the top 4 airlines that operate flights from Dulles Intl to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$363Average$553FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$467Average$555FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$481Average$774FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$486Average$786FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.