Which layover airport has the shortest travel time from Denver to Helsinki?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 12h 20m.

What is the cheapest airline that flies from Denver Intl to Helsinki-Vantaa?

United Airlines is the most popular carrier operating from Denver Intl to Helsinki-Vantaa

Which airport is the most popular layover for flights between Denver and Helsinki?

Reykjavik (KEF) was the most common stop: 53% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Helsinki?

Icelandair, American Airlines and Finnair are the top three most popular airlines that fly to Helsinki from Denver according to our data. Icelandair is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 7 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Denver to Helsinki?

Flights via Dallas (DFW) offer the lowest average round-trip price of $522.

Which layover airport has the shortest connection time from Denver to Helsinki?

Dallas (DFW) has the shortest average layover time for this route: 1h 41m.

When did momondo last update prices for flights from Denver Intl Airport to Helsinki-Vantaa Airport?

Prices for flights from Denver Intl Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Denver Intl Airport to Helsinki-Vantaa Airport?

As of December 2025, there are 7 operators available to choose from for flights from Denver Intl Airport to Helsinki-Vantaa Airport.

How old do you have to be to fly from Denver Intl Airport to Helsinki-Vantaa Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Helsinki-Vantaa Airport.

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$349 Cheap Flights from Denver to Helsinki in 2025/26

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Cheap round-trip flights

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3:40 pm - 12:55 pm

DEN

HEL

12h 15m1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m1 stop

$365Icelandair

Thu, Feb 26 - Mon, Mar 2

3:40 pm - 12:55 pm

DEN

HEL

12h 15m1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m1 stop

$392Icelandair

Thu, Feb 26 - Mon, Mar 2

4:20 pm - 6:50 pm

DEN

HEL

17h 30m1 stop

7:35 pm - 2:35 pm

HEL

DEN

28h 00m1 stop

$450Lufthansa

Thu, Jan 29 - Thu, Feb 5

5:25 pm - 10:10 am

DEN

HEL

55h 45m2 stops

12:30 pm - 10:36 pm

HEL

DEN

19h 06m1 stop

$469British Airways

Thu, Feb 12 - Tue, Feb 24

6:40 pm - 10:55 pm

DEN

HEL

19h 15m2 stops

12:35 pm - 7:53 pm

HEL

DEN

16h 18m1 stop

$471British Airways

Mon, Apr 20 - Tue, Apr 28

5:25 pm - 10:10 am

DEN

HEL

55h 45m2 stops

11:10 am - 3:30 pm

HEL

DEN

37h 20m2 stops

$476British Airways

Thu, Feb 12 - Tue, Feb 24

6:40 pm - 10:55 pm

DEN

HEL

19h 15m2 stops

4:55 pm - 4:30 pm

HEL

DEN

32h 35m2 stops

$481British Airways

Mon, Apr 20 - Tue, Apr 28

4:05 pm - 6:55 pm

DEN

HEL

17h 50m1 stop

6:00 am - 2:20 pm

HEL

DEN

17h 20m1 stop

$482Lufthansa

Mon, Apr 20 - Tue, Apr 28

10:20 am - 10:45 am

DEN

HEL

15h 25m1 stop

12:30 pm - 10:36 pm

HEL

DEN

19h 06m1 stop

$483Multiple Airlines

Sat, Feb 14 - Tue, Feb 24

1:40 pm - 11:35 pm

DEN

HEL

24h 55m2 stops

6:55 am - 4:00 pm

HEL

DEN

18h 05m1 stop

$488United Airlines

Thu, Feb 26 - Mon, Mar 2

Icelandair flights from Denver to Helsinki

Our best Icelandair deals on Denver to Helsinki flight tickets

Icelandair

Feb 26

DEN3:40 pmDenver Intl

12h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Mar 2

HEL1:55 pmHelsinki-Vantaa

13h 10m

1 stop

DEN6:05 pmDenver Intl

$365

Find similar

Icelandair

Feb 26

DEN3:40 pmDenver Intl

12h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Mar 2

HEL1:55 pmHelsinki-Vantaa

13h 10m

1 stop

DEN6:05 pmDenver Intl

$392

Find similar

Icelandair

Jun 4

DEN4:40 pmDenver Intl

12h 20m

1 stop

HEL2:00 pmHelsinki-Vantaa

Jun 25

HEL11:40 amHelsinki-Vantaa

16h 20m

2 stops

DEN7:00 pmDenver Intl

$812

Find similar

Air Canada flights from Denver to Helsinki

Our best Air Canada deals on Denver to Helsinki flight tickets

Air Canada

Feb 20

DEN1:25 pmDenver Intl

18h 25m

2 stops

HEL4:50 pmHelsinki-Vantaa

Feb 24

HEL7:05 amHelsinki-Vantaa

19h 58m

3 stops

DEN6:03 pmDenver Intl

$796

Find similar

Air Canada

Feb 12

DEN11:15 amDenver Intl

22h 35m

2 stops

HEL6:50 pmHelsinki-Vantaa

Feb 24

HEL7:05 amHelsinki-Vantaa

21h 43m

3 stops

DEN7:48 pmDenver Intl

$856

Find similar

Air Canada

Feb 14

DEN11:15 amDenver Intl

22h 35m

2 stops

HEL6:50 pmHelsinki-Vantaa

Feb 24

HEL7:05 amHelsinki-Vantaa

19h 58m

3 stops

DEN6:03 pmDenver Intl

$857

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/26

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Mon 3/2

1:55 pm-6:05 pm

1 stop13h 10m

$365

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/26

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Mon 3/2

1:55 pm-6:05 pm

1 stop13h 10m

$392

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 1/29

4:20 pm-6:50 pm

1 stop17h 30m

Helsinki-Vantaa

Thu 2/5

7:35 pm-2:35 pm

1 stop28h 00m

$450

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/12

5:25 pm-10:10 am

2 stops55h 45m

Helsinki-Vantaa

Tue 2/24

12:30 pm-10:36 pm

1 stop19h 06m

$469

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/20

6:40 pm-10:55 pm

2 stops19h 15m

Helsinki-Vantaa

Tue 4/28

12:35 pm-7:53 pm

1 stop16h 18m

$471

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/12

5:25 pm-10:10 am

2 stops55h 45m

Helsinki-Vantaa

Tue 2/24

11:10 am-3:30 pm

2 stops37h 20m

$476

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/20

6:40 pm-10:55 pm

2 stops19h 15m

Helsinki-Vantaa

Tue 4/28

4:55 pm-4:30 pm

2 stops32h 35m

$481

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/20

4:05 pm-6:55 pm

1 stop17h 50m

Helsinki-Vantaa

Tue 4/28

6:00 am-2:20 pm

1 stop17h 20m

$482

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 2/14

10:20 am-10:45 am

1 stop15h 25m

Helsinki-Vantaa

Tue 2/24

12:30 pm-10:36 pm

1 stop19h 06m

$483

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/26

1:40 pm-11:35 pm

2 stops24h 55m

Helsinki-Vantaa

Mon 3/2

6:55 am-4:00 pm

1 stop18h 05m

$488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Helsinki?

The month of March is, on average, the cheapest month to fly to Helsinki from Denver, with most prices found around $498. If you aren’t able to travel during the month of March, then book flights to Helsinki from Denver during April instead. Flights to Helsinki in April, while not as cheap as those in March, still average around $509.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $484. This is often the case because there is less demand to fly during this day of the week. Flights from Denver to Helsinki on a Friday will generally be more expensive and average around $856. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from Denver to Helsinki in the evening for as low as $552. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Helsinki, so prices are often more expensive at around $751 per ticket.

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $657 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Denver for as low as $579 on momondo.

When to book flights from Denver to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Helsinki according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Denver to Helsinki (DEN to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Helsinki

Fastest flight time	12h 15m
Direct flights	None

The fastest flight from Denver to Helsinki takes 12h 15m

There are no direct flights from Denver to Helsinki. There are no popular flight routes from Denver to Helsinki.

Search flight deals

How far is Denver Intl to Helsinki-Vantaa by plane?
A flight from Denver Intl to Helsinki-Vantaa will travel around 4971.1 mi. By plane, this route typically takes 12h 15m.
When did momondo last update prices for flights from Denver Intl Airport to Helsinki-Vantaa Airport?
Prices for flights from Denver Intl Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Helsinki-Vantaa Airport?
As of December 2025, there are 7 operators available to choose from for flights from Denver Intl Airport to Helsinki-Vantaa Airport.
How old do you have to be to fly from Denver Intl Airport to Helsinki-Vantaa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Denver to Helsinki?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Denver to Helsinki is Icelandair (34% of total bookings). The next most popular airlines are American Airlines (17%), Finnair (16%), and United Airlines (13%).

Best airlines flying from Denver to Helsinki

Compare and see reviews for airlines that fly from Denver to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $391	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
Finnair	PriceFrom $479	Free Cancellation	Rating 7.6 1,337 reviews	Search Finnair flights
British Airways	PriceFrom $487	Free Cancellation	Rating 6.7 7,583 reviews	Search British Airways flights
Delta	PriceFrom $501	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
United Airlines	PriceFrom $507	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Lufthansa	PriceFrom $509	Free Cancellation	Rating 6.8 7,632 reviews	Search Lufthansa flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Helsinki?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helsinki from Denver.

Can I find flights from Denver to Helsinki with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Helsinki from Denver with this policy.

How can momondo help me find flights from Denver to Helsinki?

momondo provides multiple filters to help you find the best flight to Helsinki from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to Helsinki right now. Can momondo alert me if prices change?

Price alerts on flights to Helsinki from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.