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$332+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HEL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 March or April, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap 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 December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/10. 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.
Sat 12/137:20 pmDEN - HEL
1 stop31h 15mTurkish Airlines
Mon 12/157:00 pmHEL - DEN
1 stop31h 35mTurkish Airlines
Deal found 12/10$1,085
This KLM deal was found by Cheapflights users on 12/10. 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.
Sat 12/1312:06 pmDEN - HEL
2 stops16h 04mKLM
Mon 12/152:05 pmHEL - DEN
2 stops18h 40mKLM
Deal found 12/10$1,235
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/138:05 amDEN - HEL
2 stops23h 25mUnited Airlines
Mon 12/151:55 pmHEL - DEN
2 stops28h 00mUnited Airlines
Deal found 12/10$1,311
This Mytrip deal was found by Cheapflights users on 12/10. 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.
Sat 12/131:25 pmDEN - HEL
3 stops27h 10mMultiple Airlines
Mon 12/153:30 pmHEL - DEN
2 stops35h 05mMultiple Airlines
Deal found 12/10$1,445
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Sat 12/277:20 pmDEN - HEL
1 stop31h 15mTurkish Airlines
Sun 1/412:30 pmHEL - DEN
2 stops42h 36mTurkish Airlines
Deal found 12/11$1,852
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/277:50 amDEN - HEL
2 stops26h 00mUnited Airlines
Sun 1/46:55 amHEL - DEN
2 stops38h 58mUnited Airlines
Deal found 12/11$1,854
This Mytrip deal was found by Cheapflights users on 12/11. 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.
Sat 12/271:25 pmDEN - HEL
3 stops35h 50mMultiple Airlines
Sun 1/49:05 pmHEL - DEN
3 stops31h 50mMultiple Airlines
Deal found 12/11$1,959
This Scandinavian Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/1310:34 amDEN - HEL
3 stops23h 31mScandinavian Airlines
Mon 12/156:15 amHEL - DEN
2 stops26h 30mScandinavian Airlines
Deal found 12/10$2,361
This Lufthansa deal was found by Cheapflights users on 12/11. 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.
Sat 12/274:20 pmDEN - HEL
1 stop17h 30mLufthansa
Sun 1/46:55 amHEL - DEN
1 stop18h 05mLufthansa
Deal found 12/11$2,942

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$418
(Icelandair)

One-way from

$332
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$677
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
Search Deals
One-way flight from Denver Intl to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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 1/14

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Sun 1/18

1:55 pm-6:05 pm

1 stop13h 10m

$418

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/26

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Mon 3/2

1:55 pm-6:05 pm

1 stop13h 10m

$432

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 1/29

12:52 pm-10:45 am

1 stop12h 53m

Helsinki-Vantaa

Tue 2/3

12:30 pm-6:13 pm

1 stop14h 43m

$476

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 2/14

10:20 am-10:45 am

1 stop15h 25m

Helsinki-Vantaa

Tue 2/24

12:30 pm-11:59 pm

2 stops20h 29m

$487

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/26

10:20 am-10:45 am

1 stop15h 25m

Helsinki-Vantaa

Mon 3/2

12:30 pm-10:58 pm

2 stops19h 28m

$487

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 1/29

11:15 am-6:50 pm

2 stops22h 35m

Helsinki-Vantaa

Tue 2/3

7:05 am-4:40 pm

2 stops18h 35m

$495

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 3/11

6:45 pm-1:20 am

1 stop22h 35m

Helsinki-Vantaa

Wed 3/18

6:55 am-5:00 pm

1 stop18h 05m

$495

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 3/11

7:25 pm-1:20 am

2 stops21h 55m

Helsinki-Vantaa

Thu 3/19

6:55 am-5:00 pm

1 stop18h 05m

$499

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 1/24

12:07 pm-1:10 pm

2 stops16h 03m

Helsinki-Vantaa

Sat 1/31

7:00 am-8:05 pm

2 stops22h 05m

$502

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 3/11

6:45 pm-1:20 am

1 stop22h 35m

Helsinki-Vantaa

Mon 3/23

1:55 pm-8:54 am

2 stops26h 59m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 Denver-Helsinki flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Helsinki flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

The best time to book flights from Denver to Helsinki is 47 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, January is the cheapest month in which you can book a flight from Denver to Helsinki (average of $381). Flying from Denver to Helsinki in June is currently the most expensive (average of $725). 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 December 12, 2025.

It’s optimal to fly from Denver to Helsinki in the evening. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the morning.

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 December 12, 2025.
See what other customers who have flown with Finnair, United Airlines, and American Airlines from Denver 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.
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
United Airlines
7.4
Good
9,093 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.2
Good
11,049 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Icelandair
7.0
Good
589 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Lufthansa
6.8
Okay
7,626 reviews
Finnair
7.6
Good
1,334 reviews

Crew

8.1

Food

6.7

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

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.

  • How long is the flight from Denver to Helsinki?

    Departing from Denver to Helsinki will take you 12h 15m. The distance between Denver and Helsinki is about 4949 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $388 on this airline. Additional options worth looking into are Finnair and British Airways, starting at $479 and $487 round-trip. Users have found that Icelandair is 40% 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, January is the cheapest month in which you can book a flight from Denver to Helsinki (average of $381). Flying from Denver to Helsinki in June is currently the most expensive (average of $725). 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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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$388Average$531FlexibilityNo cancel feeOn-time76%
FinnairCheapest$479Average$634FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$487Average$792FlexibilityNo cancel feeOn-time70%
DeltaCheapest$501Average$738FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$507Average$721FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$509Average$721FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$511Average$740FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$545Average$736FlexibilityNo cancel feeOn-time77%

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