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$247+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HEL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$419
(Ticket)

One-way from

$247
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$937
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 ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:40 pmDEN - HEL
1 stop12h 20mIcelandair
Sat 12/132:00 pmHEL - DEN
1 stop13h 05mIcelandair
Deal found 6/10$414
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Fri 11/1411:25 amDEN - HEL
2 stops16h 50mMultiple Airlines
Tue 11/257:05 amHEL - DEN
1 stop17h 55mMultiple Airlines
Deal found 6/9$477
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:38 amDEN - HEL
1 stop17h 07mAmerican Airlines
Mon 11/1012:30 pmHEL - DEN
2 stops18h 12mAmerican Airlines
Deal found 6/10$486
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Fri 11/144:20 pmDEN - HEL
1 stop17h 20mLufthansa
Tue 11/257:05 amHEL - DEN
1 stop17h 55mLufthansa
Deal found 6/9$497
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:40 amDEN - HEL
2 stops24h 15mAir Canada
Mon 11/106:55 amHEL - DEN
2 stops22h 10mAir Canada
Deal found 6/10$500
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:30 pmDEN - HEL
1 stop20h 35mBritish Airways
Sat 12/134:15 pmHEL - DEN
2 stops32h 10mBritish Airways
Deal found 6/10$505
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:30 amDEN - HEL
2 stops19h 05mDelta
Sat 10/187:20 amHEL - DEN
2 stops21h 17mDelta
Deal found 6/10$507
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/76:03 amDEN - HEL
2 stops20h 52mUnited Airlines
Sat 8/236:10 amHEL - DEN
2 stops23h 02mUnited Airlines
Deal found 6/12$508
This KLM deal was found by Cheapflights users on 6/10. 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.
Mon 6/234:10 pmDEN - HEL
2 stops16h 30mKLM
Fri 7/47:00 amHEL - DEN
2 stops19h 18mKLM
Deal found 6/10$812
This Air France deal was found by Cheapflights users on 6/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/275:40 pmDEN - HEL
1 stop14h 00mAir France
Mon 8/111:55 pmHEL - DEN
2 stops19h 20mAir France
Deal found 6/12$897
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/156:30 amDEN - HEL
2 stops28h 45mScandinavian Airlines
Mon 11/107:00 amHEL - DEN
3 stops24h 46mScandinavian Airlines
Deal found 6/10$911
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Tue 7/297:50 pmDEN - HEL
1 stop30h 50mTurkish Airlines
Sat 8/97:35 pmHEL - DEN
1 stop31h 20mTurkish Airlines
Deal found 6/12$944

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 June 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

Fri 12/5

3:40 pm-1:00 pm

1 stop12h 20m

Helsinki-Vantaa

Sat 12/13

2:00 pm-6:05 pm

1 stop13h 05m

$414

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 11/14

11:25 am-1:15 pm

2 stops16h 50m

Helsinki-Vantaa

Tue 11/25

7:05 am-4:00 pm

1 stop17h 55m

$477

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 10/15

8:38 am-10:45 am

1 stop17h 07m

Helsinki-Vantaa

Mon 11/10

12:30 pm-9:42 pm

2 stops18h 12m

$486

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 11/14

4:20 pm-6:40 pm

1 stop17h 20m

Helsinki-Vantaa

Tue 11/25

7:05 am-4:00 pm

1 stop17h 55m

$497

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 10/15

9:40 am-6:55 pm

2 stops24h 15m

Helsinki-Vantaa

Mon 11/10

6:55 am-8:05 pm

2 stops22h 10m

$500

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 12/5

5:30 pm-11:05 pm

1 stop20h 35m

Helsinki-Vantaa

Sat 12/13

4:15 pm-3:25 pm

2 stops32h 10m

$505

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 10/10

6:30 am-10:35 am

2 stops19h 05m

Helsinki-Vantaa

Sat 10/18

7:20 am-7:37 pm

2 stops21h 17m

$507

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 8/7

6:03 am-11:55 am

2 stops20h 52m

Helsinki-Vantaa

Sat 8/23

6:10 am-8:12 pm

2 stops23h 02m

$508

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 6/23

4:10 pm-5:40 pm

2 stops16h 30m

Helsinki-Vantaa

Fri 7/4

7:00 am-5:18 pm

2 stops19h 18m

$812

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 7/27

5:40 pm-4:40 pm

1 stop14h 00m

Helsinki-Vantaa

Mon 8/11

1:55 pm-12:15 am

2 stops19h 20m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
1
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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 June 9, 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 June 12, 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.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Air France 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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
3,848 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 $419 on this airline. Additional options worth looking into are United Airlines and Lufthansa, starting at $508 and $531 round-trip. Users have found that Icelandair is 31% 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 Icelandair. According to our data, you can fly for as low as $247. Users have also found prices from $395 and $444 on Turkish Airlines and United Airlines, 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 Denver?

Book flights to Denver 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.
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$351Average$474FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$425Average$693FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$447Average$695FlexibilityNo cancel feeOn-time71%
FinnairCheapest$456Average$596FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$476Average$563FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$488Average$690FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$501Average$671FlexibilityNo cancel feeOn-time69%
DeltaCheapest$507Average$651FlexibilityNo cancel feeOn-timeN/A

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