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$379+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HEL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Helsinki-Vantaa are usually found in November or January, booked 90 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 July 29, 2025.

Round-trip from

$439
(oojo)

One-way from

$379
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$794
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. 22% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This oojo deal was found by Cheapflights users on 7/29. 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.
Wed 12/33:40 pmDEN - HEL
1 stop12h 15mIcelandair
Wed 12/101:55 pmHEL - DEN
1 stop13h 10mIcelandair
Deal found 7/29$439
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 12/299:25 amDEN - HEL
1 stop16h 20mAmerican Airlines
Sun 1/1112:30 pmHEL - DEN
1 stop18h 21mAmerican Airlines
Deal found 7/27$482
This Expedia deal was found by Cheapflights users on 7/29. 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.
Mon 12/295:25 pmDEN - HEL
2 stops29h 50mMultiple Airlines
Fri 1/912:30 pmHEL - DEN
1 stop14h 11mMultiple Airlines
Deal found 7/29$489
This Booking.com deal was found by Cheapflights users on 7/28. 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.
Wed 11/194:20 pmDEN - HEL
1 stop17h 20mLufthansa
Thu 11/276:55 amHEL - DEN
1 stop18h 05mLufthansa
Deal found 7/28$501
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 11/98:20 pmDEN - HEL
1 stop13h 20mUnited Airlines
Tue 12/27:05 amHEL - DEN
1 stop15h 35mUnited Airlines
Deal found 7/29$503
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Sat 11/225:30 pmDEN - HEL
2 stops40h 10mAir Canada
Sun 12/712:45 pmHEL - DEN
2 stops40h 10mAir Canada
Deal found 7/29$520
This Delta deal was found by Cheapflights users on 7/29. 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 11/206:15 amDEN - HEL
2 stops25h 10mDelta
Thu 12/46:30 amHEL - DEN
2 stops18h 00mDelta
Deal found 7/29$532

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 July 29, 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 12/3

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Wed 12/10

1:55 pm-6:05 pm

1 stop13h 10m

$439

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 12/29

9:25 am-10:45 am

1 stop16h 20m

Helsinki-Vantaa

Sun 1/11

12:30 pm-9:51 pm

1 stop18h 21m

$482

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 12/29

5:25 pm-8:15 am

2 stops29h 50m

Helsinki-Vantaa

Fri 1/9

12:30 pm-5:41 pm

1 stop14h 11m

$489

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 11/19

4:20 pm-6:40 pm

1 stop17h 20m

Helsinki-Vantaa

Thu 11/27

6:55 am-4:00 pm

1 stop18h 05m

$501

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 11/9

8:20 pm-6:40 pm

1 stop13h 20m

Helsinki-Vantaa

Tue 12/2

7:05 am-1:40 pm

1 stop15h 35m

$503

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 11/22

5:30 pm-6:40 pm

2 stops40h 10m

Helsinki-Vantaa

Sun 12/7

12:45 pm-7:55 pm

2 stops40h 10m

$520

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 11/20

6:15 am-4:25 pm

2 stops25h 10m

Helsinki-Vantaa

Thu 12/4

6:30 am-3:30 pm

2 stops18h 00m

$532

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 11/20

7:19 pm-11:05 am

3 stops54h 46m

$379

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 8/31

7:50 pm-11:40 am

1 stop30h 50m

$394

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 8/4

4:15 pm-11:50 pm

1 stop22h 35m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 15 results
1
2

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 July 25, 2025.

The best time to book flights from Denver to Helsinki is 90 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 $1,081). 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 July 29, 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.

How much does it cost to fly round-trip from Denver to Helsinki?

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 July 29, 2025.
See what other customers who have flown with Delta, airBaltic, and United 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.
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
airBaltic
7.8
Good
175 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,925 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $439 on this airline. Additional options worth looking into are American Airlines and Lufthansa, starting at $482 and $501 round-trip. Users have found that Icelandair is 28% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Denver to Helsinki one-way?

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $394. Users have also found prices from $395 and $408 on Lufthansa and Delta, respectively.

  • 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 $1,081). 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

Browse thousands of different options on Cheapflights for your next trip

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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.
Colorado Springs to Helsinki flights
Denver to Turku flights

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$351Average$474FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$442Average$693FlexibilityNo cancel feeOn-time70%
FinnairCheapest$456Average$628FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$458Average$701FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$501Average$677FlexibilityNo cancel feeOn-time69%
DeltaCheapest$507Average$637FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$526Average$620FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$527Average$720FlexibilityNo cancel feeOn-time76%

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