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$357+ Cheap flights from Denver (DEN) 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HEL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Denver Intl to Helsinki-Vantaa are usually found in November or January, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Denver to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) 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 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$480
(Finnair)

One-way from

$357
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$540
Provider with most accurate pricing for Denver Intl-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Helsinki-Vantaa flights.
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From Denver Intl to Helsinki-Vantaa
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One-way flight from Denver Intl to Helsinki-Vantaa
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Highest demand for flights based on searches. 29% potential increase in price ($281 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($46 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 Denver to Helsinki

Cheapest flights from Denver to Helsinki
Explore the most affordable flight options available from Denver to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Finnair deal was found by Cheapflights users on 3/24. 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.
Wed 4/2310:38 amDEN - HEL
1 stop15h 07mMultiple Airlines
Wed 4/3012:35 pmHEL - DEN
1 stop14h 05mMultiple Airlines
Deal found 3/24$480
This oojo deal was found by Cheapflights users on 3/24. 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 4/144:40 pmDEN - HEL
1 stop12h 20mIcelandair
Mon 4/213:00 pmHEL - DEN
1 stop12h 55mIcelandair
Deal found 3/24$492
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/232:00 pmDEN - HEL
1 stop15h 15mAmerican Airlines
Wed 4/3012:35 pmHEL - DEN
2 stops18h 13mAmerican Airlines
Deal found 3/25$525
This Finnair deal was found by Cheapflights users on 3/24. 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.
Mon 5/264:37 pmDEN - HEL
1 stop13h 23mFinnair
Mon 6/212:35 pmHEL - DEN
1 stop14h 07mFinnair
Deal found 3/24$530
This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2511:25 amDEN - HEL
2 stops18h 15mAir Canada
Tue 4/16:10 amHEL - DEN
2 stops37h 17mAir Canada
Deal found 3/24$539
This oojo deal was found by Cheapflights users on 3/26. 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.
Fri 12/55:30 pmDEN - HEL
1 stop20h 30mBritish Airways
Tue 12/165:50 pmHEL - DEN
2 stops30h 35mBritish Airways
Deal found 3/26$542
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 3/275:25 pmDEN - HEL
1 stop17h 15mUnited Airlines
Wed 4/26:10 amHEL - DEN
2 stops38h 59mUnited Airlines
Deal found 3/25$543
This Delta deal was found by Cheapflights users on 3/24. 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.
Mon 4/1411:30 amDEN - HEL
2 stops20h 10mDelta
Mon 4/217:00 amHEL - DEN
2 stops19h 08mDelta
Deal found 3/24$545
This Lufthansa deal was found by Cheapflights users on 3/25. 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.
Fri 12/55:45 pmDEN - HEL
1 stop22h 25mLufthansa
Tue 12/167:00 amHEL - DEN
1 stop17h 55mLufthansa
Deal found 3/25$552
This oojo deal was found by Cheapflights users on 3/25. 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.
Fri 7/257:50 pmDEN - HEL
1 stop30h 50mTurkish Airlines
Fri 8/87:35 pmHEL - DEN
1 stop31h 20mTurkish Airlines
Deal found 3/25$663
This Scandinavian Airlines deal was found by Cheapflights users on 3/25. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:06 amDEN - HEL
3 stops24h 49mScandinavian Airlines
Wed 5/216:35 amHEL - DEN
2 stops24h 12mScandinavian Airlines
Deal found 3/25$893
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:40 pmDEN - HEL
1 stop20h 40mAir France
Sat 5/176:35 amHEL - DEN
2 stops23h 04mAir France
Deal found 3/25$1,062

Cheapflights Fare Finder

Customize your flight search to find flights from Denver 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 26, 2025.
Use the filters below to find and compare flights from Denver to Helsinki that are best for you.

Fly from

Denver

Fly to

Helsinki

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 4/23

10:38 am-10:45 am

1 stop15h 07m

Helsinki-Vantaa

Wed 4/30

12:35 pm-5:40 pm

1 stop14h 05m

$480

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/14

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Mon 4/21

3:00 pm-6:55 pm

1 stop12h 55m

$492

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 4/23

2:00 pm-2:15 pm

1 stop15h 15m

Helsinki-Vantaa

Wed 4/30

12:35 pm-9:48 pm

2 stops18h 13m

$525

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 5/26

4:37 pm-3:00 pm

1 stop13h 23m

Helsinki-Vantaa

Mon 6/2

12:35 pm-5:42 pm

1 stop14h 07m

$530

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 9/19

2:22 pm-11:00 pm

2 stops23h 38m

Helsinki-Vantaa

Sat 9/27

12:35 pm-11:35 pm

1 stop20h 00m

$543

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/14

11:30 am-4:40 pm

2 stops20h 10m

Helsinki-Vantaa

Mon 4/21

7:00 am-5:08 pm

2 stops19h 08m

$545

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 5/2

4:15 pm-6:55 pm

1 stop17h 40m

Helsinki-Vantaa

Wed 5/7

6:10 am-10:30 am

2 stops37h 20m

$613

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 5/11

5:59 pm-6:55 pm

2 stops15h 56m

Helsinki-Vantaa

Sat 5/17

7:40 pm-1:45 pm

1 stop27h 05m

$640

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 7/25

7:50 pm-11:40 am

1 stop30h 50m

Helsinki-Vantaa

Fri 8/8

7:35 pm-5:55 pm

1 stop31h 20m

$663

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 5/13

7:06 am-4:55 pm

3 stops24h 49m

Helsinki-Vantaa

Wed 5/21

6:35 am-9:47 pm

2 stops24h 12m

$893

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 19 results
1
2

Compare providers for flights from Denver 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 Denver 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
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 Denver-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-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 Denver-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 Denver to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Denver 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 Denver to Helsinki

How far ahead should I book a flight from Denver to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Helsinki. Price data was last updated on March 21, 2025.

The best time to book flights from Denver to Helsinki is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Denver to Helsinki (average of $444). Flying from Denver to Helsinki in June is currently the most expensive (average of $1,136). 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 DEN to HEL?

Find hourly flight availability from Denver 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 26, 2025.

It’s optimal to fly from Denver to Helsinki in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

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 26, 2025.
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

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
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

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.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

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.
Scandinavian Airlines
7.3
Good
1,325 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

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 Denver to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Denver to Helsinki round-trip?

    Our cheapest airline available from Denver to Helsinki is Icelandair. Our recent data shows that you can find tickets from as low as $492 on this airline. Additional options worth looking into are American Airlines and Finnair, starting at $525 and $530 round-trip. Users have found that Icelandair is 25% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Denver to Helsinki?

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

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

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Denver to Helsinki (average of $444). Flying from Denver to Helsinki in June is currently the most expensive (average of $1,136). 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 Denver?

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

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Alternative routes for Denver to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Denver to Helsinki

Discover the top 8 airlines that operate flights from Denver 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$351Average$476FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$425Average$666FlexibilityNo cancel feeOn-time70%
FinnairCheapest$447Average$678FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$458Average$740FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$476Average$620FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$484Average$582FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$488Average$718FlexibilityNo cancel feeOn-time76%
DeltaCheapest$517Average$678FlexibilityNo cancel feeOn-timeN/A
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