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$411+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — DEN
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 68 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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 August 18, 2025.

Round-trip from

$717
(Flightnetwork)

One-way from

$411
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$868
From Helsinki-Vantaa to Denver Intl
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One-way flight from Helsinki-Vantaa to Denver Intl
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Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 18, 2025.

This Flightnetwork deal was found by Cheapflights users on 8/16. 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 10/23:00 pmHEL - DEN
1 stop12h 55mIcelandair
Thu 10/164:40 pmDEN - HEL
1 stop12h 20mIcelandair
Deal found 8/16$717
This Icelandair deal was found by Cheapflights users on 8/15. 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.
Fri 11/71:55 pmHEL - DEN
1 stop13h 10mIcelandair
Tue 11/113:40 pmDEN - HEL
1 stop12h 15mIcelandair
Deal found 8/15$761
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Fri 11/76:55 amHEL - DEN
1 stop15h 45mUnited Airlines
Tue 11/119:51 amDEN - HEL
2 stops17h 09mUnited Airlines
Deal found 8/15$768
This Air Canada deal was found by Cheapflights users on 8/15. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:55 amHEL - DEN
2 stops22h 00mAir Canada
Tue 11/1111:15 amDEN - HEL
2 stops16h 55mAir Canada
Deal found 8/15$771
This Lufthansa deal was found by Cheapflights users on 8/17. 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.
Wed 12/176:55 amHEL - DEN
1 stop18h 05mLufthansa
Thu 1/84:20 pmDEN - HEL
1 stop17h 30mLufthansa
Deal found 8/17$788
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 10/26:40 amHEL - DEN
1 stop17h 50mDelta
Thu 10/162:57 pmDEN - HEL
2 stops17h 43mDelta
Deal found 8/17$794
This Delta deal was found by Cheapflights users on 8/16. 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.
Sat 9/137:20 amHEL - DEN
2 stops21h 15mDelta
Sat 9/202:00 pmDEN - HEL
2 stops18h 40mDelta
Deal found 8/16$797

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 August 18, 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 10/2

3:00 pm-6:55 pm

1 stop12h 55m

Denver Intl

Thu 10/16

4:40 pm-2:00 pm

1 stop12h 20m

$717

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Fri 11/7

1:55 pm-6:05 pm

1 stop13h 10m

Denver Intl

Tue 11/11

3:40 pm-12:55 pm

1 stop12h 15m

$761

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Fri 11/7

6:55 am-1:40 pm

1 stop15h 45m

Denver Intl

Tue 11/11

9:51 am-12:00 pm

2 stops17h 09m

$768

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Fri 11/7

6:55 am-7:55 pm

2 stops22h 00m

Denver Intl

Tue 11/11

11:15 am-1:10 pm

2 stops16h 55m

$771

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Wed 12/17

6:55 am-4:00 pm

1 stop18h 05m

Denver Intl

Thu 1/8

4:20 pm-6:50 pm

1 stop17h 30m

$788

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Sat 9/20

11:00 pm-8:30 am

2 stops42h 30m

$411

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Wed 9/17

10:50 pm-8:30 am

2 stops42h 40m

$414

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Thu 9/18

10:25 am-1:04 am

2 stops47h 39m

$416

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Wed 10/1

12:30 pm-11:24 am

3 stops55h 54m

$435

HelsinkiDenver

HEL - DEN

HELDEN

Helsinki-Vantaa

Fri 10/3

9:20 pm-11:24 am

3 stops47h 04m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 14 results
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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 August 8, 2025.

The best time to book flights from Helsinki to Denver is 68 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, October is the cheapest month in which you can book a flight from Helsinki to Denver (average of $197). Flying from Helsinki to Denver in March is currently the most expensive (average of $278). 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 August 18, 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 3% on your trip compared to booking a flight at noon.

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 August 18, 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
527 reviews

Entertainment

7.0

Food

6.2

Boarding

7.1

Overall

7.0

Crew

8.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.0
Good
527 reviews
Icelandair
7.0
Good
527 reviews

Entertainment

7.0

Food

6.2

Boarding

7.1

Overall

7.0

Crew

8.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Lufthansa
6.8
Okay
7,330 reviews
Icelandair
7.0
Good
527 reviews

Entertainment

7.0

Food

6.2

Boarding

7.1

Overall

7.0

Crew

8.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

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 and United Airlines fly from Helsinki to Denver in about 12h 55m. The time it takes to get you to your destination can typically vary by up to 2h 50m. 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 30% 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, October is the cheapest month in which you can book a flight from Helsinki to Denver (average of $197). Flying from Helsinki to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Golden
Winter Park
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Thornton
Broomfield
Frisco
Manitou Springs
Grand Lake
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Brighton
Longmont

Browse thousands of different options on Cheapflights for your next trip

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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$597Average$927FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$834Average$1,063FlexibilityNo cancel feeOn-time76%

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