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$349+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — DEN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheapflights Tip: The best prices from Helsinki-Vantaa to Denver Intl are usually found in February or May, booked 32 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Find 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 November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/246:55 amHEL - DEN
1 stop18h 05mUnited Airlines
Wed 1/710:10 amDEN - HEL
2 stops18h 00mUnited Airlines
Deal found 11/20$839
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/246:55 amHEL - DEN
1 stop18h 05mUnited Airlines
Tue 1/64:15 pmDEN - HEL
2 stops17h 35mUnited Airlines
Deal found 11/20$885
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/256:55 amHEL - DEN
1 stop18h 05mUnited Airlines
Wed 1/710:10 amDEN - HEL
2 stops18h 00mUnited Airlines
Deal found 11/20$886
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 12/237:05 amHEL - DEN
2 stops26h 10mUnited Airlines
Wed 1/710:10 amDEN - HEL
2 stops18h 00mUnited Airlines
Deal found 11/20$891
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/256:55 amHEL - DEN
1 stop18h 05mUnited Airlines
Tue 1/64:15 pmDEN - HEL
2 stops17h 35mUnited Airlines
Deal found 11/20$931
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 12/237:05 amHEL - DEN
2 stops26h 10mUnited Airlines
Tue 1/67:45 amDEN - HEL
2 stops26h 05mUnited Airlines
Deal found 11/20$937
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/246:55 amHEL - DEN
1 stop18h 05mUnited Airlines
Thu 1/17:45 amDEN - HEL
2 stops23h 45mUnited Airlines
Deal found 11/20$943

Cheap 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 November 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$806
(Booking.com)

One-way from

$349
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$819
Provider with most accurate pricing for Helsinki-Vantaa-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Helsinki-Vantaa-Denver Intl flights.
Search Deals
From Helsinki-Vantaa to Denver Intl
Search Deals
One-way flight from Helsinki-Vantaa to Denver Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 20, 2025.
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

Thu 1/8

1:55 pm-6:05 pm

1 stop13h 10m

Denver Intl

Wed 1/21

3:40 pm-12:55 pm

1 stop12h 15m

$808

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 1/22

6:55 am-1:40 pm

1 stop15h 45m

Denver Intl

Mon 1/26

4:20 pm-6:50 pm

1 stop17h 30m

$840

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 1/22

6:55 am-1:40 pm

1 stop15h 45m

Denver Intl

Mon 1/26

9:59 am-1:10 pm

2 stops18h 11m

$840

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 5/7

7:05 am-3:35 pm

1 stop17h 30m

Denver Intl

Mon 5/11

8:20 pm-7:00 pm

1 stop13h 40m

$842

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 5/7

7:05 am-1:35 pm

1 stop15h 30m

Denver Intl

Mon 5/11

4:05 pm-7:00 pm

1 stop17h 55m

$842

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Sat 3/14

6:55 am-5:00 pm

1 stop18h 05m

Denver Intl

Sat 3/21

5:30 pm-4:40 pm

2 stops39h 10m

$853

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 1/8

1:55 pm-12:37 pm

3 stops31h 42m

Denver Intl

Wed 1/21

11:42 am-1:20 am

2 stops28h 38m

$854

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 1/8

6:30 am-10:49 pm

2 stops25h 19m

Denver Intl

Wed 1/21

12:07 pm-4:25 pm

2 stops19h 18m

$860

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Sun 2/8

11:55 am-10:20 am

3 stops55h 25m

$349

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Mon 12/29

4:00 pm-4:00 pm

3 stops33h 00m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 November 14, 2025.

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 $604). Flying from Helsinki to Denver in July is currently the most expensive (average of $825). 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 HEL to DEN?

Find hourly flight availability from Helsinki to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Helsinki to Denver in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the evening.

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 November 20, 2025.
Read reviews from past customers who have flown Icelandair and 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.
Icelandair
7.0
Good
581 reviews

Food

6.2

Boarding

7.1

Overall

7.0

Comfort

6.9

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.
Icelandair
7.0
Good
581 reviews
Icelandair
7.0
Good
581 reviews

Food

6.2

Boarding

7.1

Overall

7.0

Comfort

6.9

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.
Lufthansa
6.8
Okay
7,579 reviews
Icelandair
7.0
Good
581 reviews

Food

6.2

Boarding

7.1

Overall

7.0

Comfort

6.9

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

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, Lufthansa, and United Airlines 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 2h 35m. The distance from Helsinki to Denver is about 4949 mi. This flight may include one or multiple stops.

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

    Icelandair, at $597, was found to be the cheapest airline from Helsinki to Denver. An alternate airline flying to your destination would be Lufthansa. Users have found that Icelandair is 33% cheaper than the other options available to this destination.

  • 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 $604). Flying from Helsinki to Denver in July is currently the most expensive (average of $825). 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
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Wheat Ridge
Central City
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker
Sterling

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 2 airlines flying from Helsinki to Denver

Discover the top 2 airlines 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$597Average$877FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$921Average$1,063FlexibilityNo cancel feeOn-time76%

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