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

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

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.

What airlines fly to Helsinki?

Icelandair, American Airlines and United Airlines 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 38% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 8 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

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 19m.

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.

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 8 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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Find the cheapest flights from Denver to Helsinki

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 12:55 pm

DEN

HEL

12h 15m1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m1 stop

$365Icelandair

Fri, Jan 23 - Tue, Jan 27

3:40 pm - 12:55 pm

DEN

HEL

12h 15m1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m1 stop

$392Icelandair

Fri, Jan 30 - Tue, Feb 3

3:40 pm - 12:55 pm

DEN

HEL

12h 15m1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m1 stop

$428Icelandair

Sun, Jan 11 - Thu, Jan 15

3:40 pm - 12:55 pm

DEN

HEL

12h 15m1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m1 stop

$443Icelandair

Sun, Jan 11 - Sun, Jan 18

1:25 pm - 6:50 pm

DEN

HEL

20h 25m2 stops

6:50 am - 3:35 pm

HEL

DEN

16h 45m1 stop

$468Multiple Airlines

Wed, Feb 25 - Mon, Mar 9

1:25 pm - 6:50 pm

DEN

HEL

20h 25m2 stops

7:35 pm - 3:35 pm

HEL

DEN

28h 00m1 stop

$478Multiple Airlines

Wed, Feb 25 - Sun, Mar 8

3:40 pm - 12:55 pm

DEN

HEL

12h 15m1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m1 stop

$480Icelandair

Wed, Jan 7 - Tue, Jan 13

8:20 pm - 6:50 pm

DEN

HEL

13h 30m1 stop

6:50 am - 3:35 pm

HEL

DEN

16h 45m1 stop

$482Lufthansa

Wed, Feb 25 - Mon, Mar 9

8:20 pm - 11:35 pm

DEN

HEL

18h 15m1 stop

6:55 am - 7:55 pm

HEL

DEN

21h 00m2 stops

$483Multiple Airlines

Thu, Mar 5 - Fri, Mar 13

4:05 pm - 6:55 pm

DEN

HEL

17h 50m1 stop

7:05 am - 3:40 pm

HEL

DEN

17h 35m1 stop

$484United Airlines

Thu, Apr 23 - Tue, May 5

Icelandair flights from Denver to Helsinki

Our best Icelandair deals on Denver to Helsinki flight tickets

Icelandair

Jan 23

DEN3:40 pmDenver Intl

12h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Jan 27

HEL1:55 pmHelsinki-Vantaa

13h 10m

1 stop

DEN6:05 pmDenver Intl

$365

Find similar

Icelandair

Jan 30

DEN3:40 pmDenver Intl

12h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Feb 3

HEL1:55 pmHelsinki-Vantaa

13h 10m

1 stop

DEN6:05 pmDenver Intl

$392

Find similar

Icelandair

Jan 11

DEN3:40 pmDenver Intl

12h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Jan 15

HEL1:55 pmHelsinki-Vantaa

13h 10m

1 stop

DEN6:05 pmDenver Intl

$428

Find similar

Lufthansa flights from Denver to Helsinki

Our best Lufthansa deals on Denver to Helsinki flight tickets

Lufthansa

Feb 25

DEN8:20 pmDenver Intl

13h 30m

1 stop

HEL6:50 pmHelsinki-Vantaa

Mar 9

HEL6:50 amHelsinki-Vantaa

16h 45m

1 stop

DEN3:35 pmDenver Intl

$482

Find similar

Lufthansa

Feb 4

DEN4:20 pmDenver Intl

17h 30m

1 stop

HEL6:50 pmHelsinki-Vantaa

Feb 11

HEL7:35 pmHelsinki-Vantaa

28h 00m

1 stop

DEN2:35 pmDenver Intl

$489

Find similar

Lufthansa

Apr 23

DEN4:05 pmDenver Intl

17h 50m

1 stop

HEL6:55 pmHelsinki-Vantaa

Apr 30

HEL6:00 amHelsinki-Vantaa

17h 20m

1 stop

DEN2:20 pmDenver Intl

$495

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 1/23

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Tue 1/27

1:55 pm-6:05 pm

1 stop13h 10m

$365

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 1/30

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Tue 2/3

1:55 pm-6:05 pm

1 stop13h 10m

$392

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 1/11

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Thu 1/15

1:55 pm-6:05 pm

1 stop13h 10m

$428

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 1/11

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Sun 1/18

1:55 pm-6:05 pm

1 stop13h 10m

$443

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 2/25

1:25 pm-6:50 pm

2 stops20h 25m

Helsinki-Vantaa

Mon 3/9

6:50 am-3:35 pm

1 stop16h 45m

$468

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 2/25

1:25 pm-6:50 pm

2 stops20h 25m

Helsinki-Vantaa

Sun 3/8

7:35 pm-3:35 pm

1 stop28h 00m

$478

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 1/7

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Tue 1/13

1:55 pm-6:05 pm

1 stop13h 10m

$480

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 2/25

8:20 pm-6:50 pm

1 stop13h 30m

Helsinki-Vantaa

Mon 3/9

6:50 am-3:35 pm

1 stop16h 45m

$482

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 3/5

8:20 pm-11:35 pm

1 stop18h 15m

Helsinki-Vantaa

Fri 3/13

6:55 am-7:55 pm

2 stops21h 00m

$483

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 4/23

4:05 pm-6:55 pm

1 stop17h 50m

Helsinki-Vantaa

Tue 5/5

7:05 am-3:40 pm

1 stop17h 35m

$484

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 8 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 (31% of total bookings). The next most popular airlines are American Airlines (16%), United Airlines (16%), and Finnair (15%).

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 7.0 592 reviews	Search Icelandair flights
Finnair	PriceFrom $479	Free Cancellation	Rating 7.6 1,339 reviews	Search Finnair flights
British Airways	PriceFrom $486	Free Cancellation	Rating 6.7 7,602 reviews	Search British Airways flights
Delta	PriceFrom $501	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
United Airlines	PriceFrom $507	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
Lufthansa	PriceFrom $509	Free Cancellation	Rating 6.8 7,643 reviews	Search Lufthansa flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.2 11,052 reviews	Search American Airlines flights
Air France	PriceFrom $545	Free Cancellation	Rating 7.4 1,511 reviews	Search Air France 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.