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

Flights via Miami (MIA) offer the lowest average round-trip price of $497.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 58m.

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 January 2026, 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.

$366 Cheap Flights from Denver to Helsinki in 2026

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Find the cheapest flights from Denver to Helsinki

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One-way

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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 15m

1 stop

1:55 pm - 6:05 pm

HEL

DEN

13h 10m

1 stop

$366Icelandair

Sun, Feb 15 - Sun, Mar 1

4:15 pm - 1:35 am

DEN

HEL

24h 20m

2 stops

6:45 am - 10:15 pm

HEL

DEN

24h 30m

2 stops

$499United Airlines

Sat, Apr 18 - Sun, Apr 26

12:46 pm - 11:35 pm

DEN

HEL

25h 49m

2 stops

1:50 pm - 4:36 pm

HEL

DEN

35h 46m

2 stops

$504United Airlines

Wed, Feb 25 - Sun, Mar 1

7:10 am - 1:10 pm

DEN

HEL

21h 00m

2 stops

7:00 am - 10:21 pm

HEL

DEN

24h 21m

2 stops

$505Delta

Sun, Feb 15 - Sun, Mar 1

5:40 pm - 12:40 am

DEN

HEL

22h 00m

2 stops

7:40 pm - 2:20 pm

HEL

DEN

27h 40m

1 stop

$506Lufthansa

Sat, Apr 18 - Sun, Apr 26

5:40 pm - 12:40 am

DEN

HEL

22h 00m

2 stops

7:40 pm - 2:20 pm

HEL

DEN

27h 40m

1 stop

$507Lufthansa

Sat, Apr 18 - Sun, Apr 26

5:45 pm - 4:30 pm

DEN

HEL

13h 45m

1 stop

6:55 am - 11:06 pm

HEL

DEN

25h 11m

2 stops

$508United Airlines

Wed, Feb 25 - Sun, Mar 1

10:20 am - 4:30 pm

DEN

HEL

21h 10m

2 stops

6:55 am - 11:06 pm

HEL

DEN

25h 11m

2 stops

$512United Airlines

Wed, Feb 25 - Sun, Mar 1

5:45 pm - 1:20 am

DEN

HEL

22h 35m

1 stop

7:35 pm - 4:00 pm

HEL

DEN

29h 25m

2 stops

$525Lufthansa

Sun, Feb 15 - Sun, Mar 1

5:40 pm - 12:40 am

DEN

HEL

22h 00m

1 stop

7:40 pm - 2:20 pm

HEL

DEN

27h 40m

1 stop

$574Lufthansa

Sat, Apr 18 - Sun, Apr 26

American Airlines flights from Denver to Helsinki

Our best American Airlines deals on Denver to Helsinki flight tickets

American Airlines

Mar 12

DEN11:48 amDenver Intl

18h 07m

2 stops

HEL1:55 pmHelsinki-Vantaa

Mar 23

HEL12:45 pmHelsinki-Vantaa

19h 14m

1 stop

DEN11:59 pmDenver Intl

$670

American Airlines

Mar 12

DEN1:00 pmDenver Intl

18h 20m

1 stop

HEL3:20 pmHelsinki-Vantaa

Mar 23

HEL12:45 pmHelsinki-Vantaa

19h 14m

1 stop

DEN11:59 pmDenver Intl

$674

American Airlines

Feb 12

DEN10:20 amDenver Intl

15h 25m

1 stop

HEL10:45 amHelsinki-Vantaa

Feb 24

HEL12:30 pmHelsinki-Vantaa

16h 35m

1 stop

DEN8:05 pmDenver Intl

$767

United Airlines flights from Denver to Helsinki

Our best United Airlines deals on Denver to Helsinki flight tickets

United Airlines

Apr 18

DEN4:15 pmDenver Intl

24h 20m

2 stops

HEL1:35 amHelsinki-Vantaa

Apr 26

HEL6:45 amHelsinki-Vantaa

24h 30m

2 stops

DEN10:15 pmDenver Intl

$499

United Airlines

Feb 25

DEN12:46 pmDenver Intl

25h 49m

2 stops

HEL11:35 pmHelsinki-Vantaa

Mar 1

HEL1:50 pmHelsinki-Vantaa

35h 46m

2 stops

DEN4:36 pmDenver Intl

$504

United Airlines

Feb 25

DEN5:45 pmDenver Intl

13h 45m

1 stop

HEL4:30 pmHelsinki-Vantaa

Mar 1

HEL6:55 amHelsinki-Vantaa

25h 11m

2 stops

DEN11:06 pmDenver Intl

$508

Fly from

Fly to

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 2/15

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Sun 3/1

1:55 pm-6:05 pm

1 stop13h 10m

$366

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 4/18

4:15 pm-1:35 am

2 stops24h 20m

Helsinki-Vantaa

Sun 4/26

6:45 am-10:15 pm

2 stops24h 30m

$499

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 2/25

12:46 pm-11:35 pm

2 stops25h 49m

Helsinki-Vantaa

Sun 3/1

1:50 pm-4:36 pm

2 stops35h 46m

$504

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 2/15

7:10 am-1:10 pm

2 stops21h 00m

Helsinki-Vantaa

Sun 3/1

7:00 am-10:21 pm

2 stops24h 21m

$505

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 4/18

5:40 pm-12:40 am

2 stops22h 00m

Helsinki-Vantaa

Sun 4/26

7:40 pm-2:20 pm

1 stop27h 40m

$506

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 4/18

5:40 pm-12:40 am

2 stops22h 00m

Helsinki-Vantaa

Sun 4/26

7:40 pm-2:20 pm

1 stop27h 40m

$507

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 2/25

5:45 pm-4:30 pm

1 stop13h 45m

Helsinki-Vantaa

Sun 3/1

6:55 am-11:06 pm

2 stops25h 11m

$508

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 2/25

10:20 am-4:30 pm

2 stops21h 10m

Helsinki-Vantaa

Sun 3/1

6:55 am-11:06 pm

2 stops25h 11m

$512

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 2/15

5:45 pm-1:20 am

1 stop22h 35m

Helsinki-Vantaa

Sun 3/1

7:35 pm-4:00 pm

2 stops29h 25m

$525

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 4/18

5:40 pm-12:40 am

1 stop22h 00m

Helsinki-Vantaa

Sun 4/26

7:40 pm-2:20 pm

1 stop27h 40m

$574

Flights are sorted by cheapest round-trip flights first.

Sorted 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 April 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 April, then book flights to Helsinki from Denver during February instead. Flights to Helsinki in February, while not as cheap as those in April, still average around $519.

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 $560 on momondo.

How have Denver to Helsinki flight prices changed over time?

As of January 2026, prices for Denver to Helsinki flights are approximately 31% cheaper when compared to flights at the same time last year.

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 20m
Direct flights	None

The fastest flight from Denver to Helsinki takes 12h 20m

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 20m.
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 January 2026, 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 (32% of total bookings). The next most popular airlines are United Airlines (18%), American Airlines (15%), and Finnair (14%).

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 $392	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
British Airways	PriceFrom $471	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
Finnair	PriceFrom $479	Free Cancellation	Rating 7.6 1,356 reviews	Search Finnair flights
Delta	PriceFrom $498	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.2 11,206 reviews	Search American Airlines flights
United Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Lufthansa	PriceFrom $527	Free Cancellation	Rating 6.8 7,756 reviews	Search Lufthansa 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.