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$400+ Cheap flights from Helsinki (HEL) to Denver (DEN)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — DEN
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap flight deals from Helsinki to Denver

Cheapest flights from Helsinki to Denver
Explore the most affordable flight options available from Helsinki to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
Mon 3/99:10 am
HEL
-
DEN
2 stops31h 10m
Multiple Airlines
Tue 3/244:40 pm
DEN
-
HEL
1 stop12h 15m
Multiple Airlines
Deal found 1/22$659
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 2/58:15 pm
HEL
-
DEN
2 stops49h 13m
Multiple Airlines
Wed 2/183:40 pm
DEN
-
HEL
1 stop12h 15m
Multiple Airlines
Deal found 1/23$714
This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
Sun 3/84:40 pm
HEL
-
DEN
2 stops47h 40m
Multiple Airlines
Sun 3/159:00 pm
DEN
-
HEL
1 stop29h 45m
Multiple Airlines
Deal found 1/22$717
This Flightnetwork deal was found by Cheapflights users on 1/23. 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.
Thu 2/51:55 pm
HEL
-
DEN
1 stop13h 10m
Icelandair
Wed 2/183:40 pm
DEN
-
HEL
1 stop12h 15m
Icelandair
Deal found 1/23$722
This Gotogate deal was found by Cheapflights users on 1/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:55 pm
HEL
-
DEN
1 stop13h 10m
Icelandair
Tue 3/244:40 pm
DEN
-
HEL
1 stop12h 15m
Icelandair
Deal found 1/22$732
This Delta deal was found by Cheapflights users on 1/22. 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 3/97:00 am
HEL
-
DEN
2 stops21h 20m
Delta
Tue 3/2410:25 am
DEN
-
HEL
2 stops22h 00m
Delta
Deal found 1/22$771
This United Airlines deal was found by Cheapflights users on 1/22. 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 2/196:55 am
HEL
-
DEN
1 stop18h 05m
United Airlines
Wed 3/410:20 am
DEN
-
HEL
2 stops16h 40m
United Airlines
Deal found 1/22$876
This Icelandair deal was found by Cheapflights users on 1/22. 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.
Thu 4/163:00 pm
HEL
-
DEN
1 stop13h 00m
Icelandair
Mon 4/204:40 pm
DEN
-
HEL
1 stop12h 20m
Icelandair
Deal found 1/22$880
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Sun 3/812:30 pm
HEL
-
DEN
1 stop15h 35m
American Airlines
Sun 3/155:00 am
DEN
-
HEL
1 stop21h 45m
American Airlines
Deal found 1/22$885

Find flight deals from Helsinki to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to Denver (DEN). 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 January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$659
(Kiwi.com)

One-way from

$400
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$1,026
Provider with most accurate pricing for Helsinki-Vantaa-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-Denver Intl flights.
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From Helsinki-Vantaa to Denver Intl
Search Deals
One-way flight from Helsinki-Vantaa to Denver Intl
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helsinki to Denver 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 January 24, 2026.
Use the filters below to find and compare flights from Helsinki to Denver that are best for you.

Fly from

Helsinki

Fly to

Denver

Route

Depart

Return

Price

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Mon 3/9

9:10 am-8:20 am

2 stops31h 10m

Denver Intl

Tue 3/24

4:40 pm-12:55 pm

1 stop12h 15m

$659

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 2/5

8:15 pm-12:28 pm

2 stops49h 13m

Denver Intl

Wed 2/18

3:40 pm-12:55 pm

1 stop12h 15m

$714

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Sun 3/8

4:40 pm-8:20 am

2 stops47h 40m

Denver Intl

Sun 3/15

9:00 pm-10:45 am

1 stop29h 45m

$717

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Fri 3/13

1:55 pm-7:05 pm

1 stop13h 10m

Denver Intl

Thu 3/26

4:40 pm-12:55 pm

1 stop12h 15m

$722

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 2/5

1:55 pm-6:05 pm

1 stop13h 10m

Denver Intl

Wed 2/18

3:40 pm-12:55 pm

1 stop12h 15m

$722

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Mon 3/9

1:55 pm-7:05 pm

1 stop13h 10m

Denver Intl

Tue 3/24

4:40 pm-12:55 pm

1 stop12h 15m

$732

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Mon 3/9

7:00 am-8:20 pm

2 stops21h 20m

Denver Intl

Tue 3/24

10:25 am-4:25 pm

2 stops22h 00m

$771

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 2/19

6:55 am-4:00 pm

1 stop18h 05m

Denver Intl

Wed 3/4

8:20 pm-11:35 pm

1 stop18h 15m

$876

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 4/16

3:00 pm-7:00 pm

1 stop13h 00m

Denver Intl

Mon 4/20

4:40 pm-2:00 pm

1 stop12h 20m

$880

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Tue 4/7

11:40 pm-12:31 am

3 stops33h 51m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 14 results
1
2
  • Most accurate provider: When it comes to deals on Helsinki-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helsinki-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helsinki-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-Denver 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 Helsinki-Denver 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 Helsinki to Denver

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

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

Use this chart to determine the optimal time to book a round-trip flight from Helsinki to Denver. Price data was last updated on January 16, 2026.

The best time to book flights from Helsinki to Denver is 32 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 Helsinki to Denver?

Currently, February is the cheapest month in which you can book a flight from Helsinki to Denver (average of $603). Flying from Helsinki to Denver in June is currently the most expensive (average of $863). 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 Helsinki to Denver?

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated January 24, 2026.
Read reviews from past customers who have flown Lufthansa from Helsinki to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,744 reviews

Boarding

7.0

Crew

7.6

Entertainment

6.4

Food

6.3

Comfort

6.8

Overall

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
7,744 reviews
Lufthansa
6.8
Okay
7,744 reviews

Boarding

7.0

Crew

7.6

Entertainment

6.4

Food

6.3

Comfort

6.8

Overall

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

Find useful and relevant information for your journey from Helsinki to Denver. 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 Helsinki to Denver?

    Airlines like Icelandair fly from Helsinki to Denver in about 13h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Helsinki to Denver is about 4949 mi.

  • What is the cheapest airline to fly from Helsinki to Denver round-trip?

    Lufthansa, at $921, was found to be the cheapest airline from Helsinki to Denver..

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Helsinki to Denver (average of $603). Flying from Helsinki to Denver in June is currently the most expensive (average of $863). 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
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Greeley
Lone Tree
Centennial
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

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.

Top airline flying from Helsinki to Denver

Discover the top airline that operate flights from Helsinki to Denver. 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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$921Average$1,063FlexibilityNo cancel feeOn-time76%

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