Helsinki

$280+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HEL
ago. 19 — ago. 261
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Helsinki-Vantaa are usually found in January or March, booked 75 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap 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 agosto 14, 2025.

Round-trip from

$388
(Ticket)

One-way from

$280
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$566
From Washington, D.C. Dulles Intl to Helsinki-Vantaa
One-way flight from Washington, D.C. Dulles Intl to Helsinki-Vantaa
Highest demand for flights based on searches. 20% potential increase in price ($145 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find 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 agosto 14, 2025.

This oojo deal was found by Cheapflights users on 8/12. 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.
mié. 12/37:40 pmIAD - HEL
1 stop10h 15mIcelandair
mié. 12/101:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 8/12$387
This Ticket deal was found by Cheapflights users on 8/14. 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.
lun. 10/610:05 pmIAD - HEL
1 stop10h 20mScandinavian Airlines
lun. 10/2010:20 amHEL - IAD
2 stops16h 39mScandinavian Airlines
Deal found 8/14$388
This oojo deal was found by Cheapflights users on 8/12. 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.
jue. 11/137:40 pmIAD - HEL
1 stop10h 15mIcelandair
dom. 11/161:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 8/12$389
This Ticket deal was found by Cheapflights users on 8/13. 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.
jue. 8/218:30 pmIAD - HEL
1 stop10h 30mIcelandair
jue. 9/43:00 pmHEL - IAD
1 stop14h 10mIcelandair
Deal found 8/13$403
This oojo deal was found by Cheapflights users on 8/14. 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.
lun. 10/1310:05 pmIAD - HEL
2 stops18h 30mScandinavian Airlines
lun. 10/209:05 pmHEL - IAD
2 stops29h 54mScandinavian Airlines
Deal found 8/14$406
This oojo deal was found by Cheapflights users on 8/12. 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.
mar. 9/28:30 pmIAD - HEL
1 stop10h 30mIcelandair
mar. 9/93:00 pmHEL - IAD
1 stop11h 20mIcelandair
Deal found 8/12$420
This oojo deal was found by Cheapflights users on 8/12. 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.
jue. 12/48:30 pmIAD - HEL
2 stops31h 00mScandinavian Airlines
jue. 12/116:15 amHEL - IAD
1 stop18h 00mScandinavian Airlines
Deal found 8/12$428
This oojo deal was found by Cheapflights users on 8/12. 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.
jue. 11/138:30 pmIAD - HEL
1 stop11h 55mScandinavian Airlines
dom. 11/163:35 pmHEL - IAD
2 stops32h 40mScandinavian Airlines
Deal found 8/12$430
This Finnair deal was found by Cheapflights users on 8/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:30 amIAD - HEL
1 stop16h 15mMultiple Airlines
mié. 12/1012:30 pmHEL - IAD
1 stop16h 44mMultiple Airlines
Deal found 8/12$432
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/32:04 pmIAD - HEL
2 stops16h 51mAmerican Airlines
mié. 12/1012:30 pmHEL - IAD
2 stops18h 25mAmerican Airlines
Deal found 8/12$436

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 agosto 14, 2025.
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

Dulles Intl

Fly to

Helsinki

Route

Depart

Return

Price

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 10/6

10:05 pm-3:25 pm

1 stop10h 20m

Helsinki-Vantaa

lun. 10/20

10:20 am-7:59 pm

2 stops16h 39m

$388

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 12/1

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

lun. 12/8

1:55 pm-6:30 pm

1 stop11h 35m

$389

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 12/3

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mié. 12/10

1:55 pm-6:30 pm

1 stop11h 35m

$391

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 1/14

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mar. 1/20

1:55 pm-6:30 pm

1 stop11h 35m

$399

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

vie. 1/16

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mar. 1/20

1:55 pm-6:30 pm

1 stop11h 35m

$401

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 12/3

8:30 pm-10:40 am

1 stop31h 10m

Helsinki-Vantaa

mié. 12/10

4:05 pm-5:15 pm

2 stops32h 10m

$404

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 10/13

10:05 pm-11:35 pm

2 stops18h 30m

Helsinki-Vantaa

lun. 10/20

4:05 pm-7:59 pm

1 stop10h 54m

$406

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

jue. 11/20

8:30 pm-3:25 pm

1 stop11h 55m

Helsinki-Vantaa

lun. 11/24

11:20 am-5:15 pm

1 stop12h 55m

$406

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 9/15

10:20 pm-8:15 pm

2 stops38h 55m

$280

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 9/3

11:15 pm-2:00 pm

1 stop31h 45m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 16 results
1
2

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 August 8, 2025.

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 75 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $444). Flying from Washington, D.C. Dulles Intl Airport to Helsinki in June is currently the most expensive (average of $1,082). 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.

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Helsinki?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Helsinki chosen by Cheapflights users in the past 12 months, using the same layover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 60% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Helsinki on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Helsinki?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Helsinki, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $431.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Helsinki?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Helsinki, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 23m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Helsinki?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Helsinki, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 04m.

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 agosto 14, 2025.
See what other customers who have flown with Scandinavian Airlines, United Airlines, and Icelandair 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.

Overall

7.4

Entertainment

6.6

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Overall

7.4

Entertainment

6.6

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Overall

7.4

Entertainment

6.6

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Overall

7.4

Entertainment

6.6

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Overall

7.4

Entertainment

6.6

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Overall

7.4

Entertainment

6.6

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

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 6 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.

  • 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 $364. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Scandinavian Airlines, with the lowest prices starting at $482 and $483, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to Helsinki for 37% 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $444). Flying from Washington, D.C. Dulles Intl Airport to Helsinki in June is currently the most expensive (average of $1,082). 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

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Top 6 airlines flying from Dulles Intl to Helsinki

Discover the top 6 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$364Average$489FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$482Average$744FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$483Average$567FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$483Average$772FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$526Average$732FlexibilityNo cancel feeOn-time70%
DeltaCheapest$527Average$553FlexibilityNo cancel feeOn-timeN/A

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