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$382+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HEL
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Helsinki-Vantaa are usually found in January or October, booked 72 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 March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$433
(Icelandair)

One-way from

$382
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$498
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. 26% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 5, 2025.

This Icelandair deal was found by Cheapflights users on 3/4. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/178:40 pmIAD - HEL
1 stop10h 20mIcelandair
Wed 4/23:00 pmHEL - IAD
1 stop11h 20mIcelandair
Deal found 3/4$433
This Ticket deal was found by Cheapflights users on 3/4. 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 3/103:55 pmIAD - HEL
2 stops15h 45mAir Canada
Wed 3/266:40 amHEL - IAD
2 stops20h 01mAir Canada
Deal found 3/4$492
This oojo deal was found by Cheapflights users on 3/3. 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.
Sun 5/410:05 pmIAD - HEL
1 stop29h 30mScandinavian Airlines
Sun 5/119:00 pmHEL - IAD
1 stop29h 59mScandinavian Airlines
Deal found 3/3$497
This oojo deal was found by Cheapflights users on 3/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:15 pmIAD - HEL
1 stop14h 00mBritish Airways
Fri 12/57:50 amHEL - IAD
1 stop14h 45mBritish Airways
Deal found 3/5$502
This Lufthansa deal was found by Cheapflights users on 3/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/111:05 pmIAD - HEL
1 stop12h 50mLufthansa
Tue 4/812:35 pmHEL - IAD
1 stop13h 50mLufthansa
Deal found 3/4$515
This Air France deal was found by Cheapflights users on 3/4. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:40 pmIAD - HEL
1 stop20h 55mAir France
Tue 4/16:40 amHEL - IAD
1 stop16h 40mAir France
Deal found 3/4$518
This KLM deal was found by Cheapflights users on 3/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:35 pmIAD - HEL
1 stop12h 35mKLM
Tue 3/257:00 amHEL - IAD
1 stop15h 45mKLM
Deal found 3/4$519
This KLM deal was found by Cheapflights users on 3/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/319:20 pmIAD - HEL
1 stop19h 00mMultiple Airlines
Mon 4/76:25 pmHEL - IAD
1 stop28h 10mMultiple Airlines
Deal found 3/4$520
This Delta deal was found by Cheapflights users on 3/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:35 pmIAD - HEL
1 stop12h 35mDelta
Mon 3/311:55 pmHEL - IAD
1 stop32h 40mDelta
Deal found 3/4$525
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1611:20 pmIAD - HEL
1 stop18h 05mUnited Airlines
Wed 4/26:10 amHEL - IAD
2 stops16h 03mUnited Airlines
Deal found 3/4$534
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Tue 5/275:40 pmIAD - HEL
1 stop17h 10mAmerican Airlines
Wed 6/1112:35 pmHEL - IAD
1 stop17h 12mAmerican Airlines
Deal found 3/4$587
This Austrian Airlines deal was found by Cheapflights users on 3/5. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/275:25 pmIAD - HEL
2 stops18h 30mAustrian Airlines
Sat 5/36:10 amHEL - IAD
2 stops39h 25mAustrian Airlines
Deal found 3/5$669

Find flights from Dulles Intl to Helsinki within your budget

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 March 5, 2025.

Fly from

Dulles Intl

Fly to

Helsinki

Route

Depart

Return

Price

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 3/17

8:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Wed 4/2

3:00 pm-7:20 pm

1 stop11h 20m

$433

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 5/4

10:05 pm-10:35 am

1 stop29h 30m

Helsinki-Vantaa

Sun 5/11

9:00 pm-7:59 pm

1 stop29h 59m

$497

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 4/24

5:50 pm-3:15 pm

1 stop14h 25m

Helsinki-Vantaa

Tue 4/29

9:05 pm-3:00 pm

2 stops24h 55m

$511

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 4/1

11:05 pm-6:55 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 4/8

12:35 pm-7:25 pm

1 stop13h 50m

$515

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 3/18

7:40 pm-10:35 pm

1 stop20h 55m

Helsinki-Vantaa

Tue 4/1

6:40 am-4:20 pm

1 stop16h 40m

$518

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 3/19

6:35 pm-1:10 pm

1 stop12h 35m

Helsinki-Vantaa

Tue 3/25

7:00 am-4:45 pm

1 stop15h 45m

$519

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 3/31

9:20 pm-11:20 pm

1 stop19h 00m

Helsinki-Vantaa

Mon 4/7

6:25 pm-3:35 pm

1 stop28h 10m

$520

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 3/19

6:35 pm-1:10 pm

1 stop12h 35m

Helsinki-Vantaa

Mon 3/31

1:55 pm-3:35 pm

1 stop32h 40m

$525

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 3/16

11:20 pm-6:40 pm

1 stop13h 20m

Helsinki-Vantaa

Tue 4/1

6:10 am-3:13 pm

2 stops16h 03m

$534

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 5/27

5:40 pm-5:50 pm

1 stop17h 10m

Helsinki-Vantaa

Wed 6/11

12:35 pm-10:47 pm

1 stop17h 12m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 18 results
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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.

Travel insights for flights from Dulles Intl to Helsinki

Get recent, data-driven insights about flights from Dulles Intl to Helsinki including ideal travel times, pricing trends, and more.

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 February 28, 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 72 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 $1,153). 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 is the cheapest time of day to fly from IAD to HEL?

Find hourly flight availability from Dulles Intl to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 5, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Helsinki at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 March 5, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Washington, D.C. to Helsinki by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,044 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,044 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.5
Good
767 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,434 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,655 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 8 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 $433. Additional round-trip tickets that might be worth considering are offered by Air Canada and Scandinavian Airlines, with the lowest prices starting at $492 and $497, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to Helsinki for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Helsinki one-way?

    To fly one-way, consider booking your trip with Air France, which is currently one of the cheapest options available, starting at $421. Lufthansa flights start at $625 while deals on TAP AIR PORTUGAL start at $652 one-way.

  • 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 $1,153). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Vantaa
Espoo
Lahti

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Top 8 airlines flying from Dulles Intl to Helsinki

Discover the top 8 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 March 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$371Average$538FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$420Average$668FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$483Average$819FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$494Average$831FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$520Average$619FlexibilityNo cancel feeOn-time70%
DeltaCheapest$527Average$726FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$529Average$931FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$547Average$818FlexibilityNo cancel feeOn-time77%
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