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 37% 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 connection time from Denver to Helsinki?

Dallas (DFW) has the shortest average layover time for this route: 1h 43m.

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

Reykjavik (KEF) was the most common stop: 62% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $526.

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 has the shortest travel time from Denver to Helsinki?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 12h 19m.

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.

$247 Cheap Flights from Denver to Helsinki in 2026

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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

$362Icelandair

Mon, Feb 16 - Mon, Mar 2

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$366Icelandair

Tue, Apr 14 - Thu, Apr 23

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$378Icelandair

Mon, Apr 27 - Sun, May 3

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$393Icelandair

Thu, Apr 23 - Thu, Apr 30

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$399Icelandair

Thu, Apr 23 - Fri, May 1

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$400Icelandair

Fri, Apr 24 - Fri, May 1

6:40 pm - 11:00 pm

DEN

HEL

19h 20m

1 stop

12:35 pm - 7:55 pm

HEL

DEN

16h 20m

1 stop

$414Finnair

Sun, Apr 26 - Tue, May 12

8:00 am - 10:45 am

DEN

HEL

17h 45m

1 stop

12:30 pm - 10:40 pm

HEL

DEN

19h 10m

1 stop

$434American Airlines

Tue, Feb 17 - Tue, Feb 24

6:40 pm - 11:20 am

DEN

HEL

31h 40m

2 stops

4:25 pm - 11:59 pm

HEL

DEN

16h 34m

1 stop

$436British Airways

Tue, Apr 14 - Thu, Apr 23

1:13 pm - 3:20 pm

DEN

HEL

17h 07m

1 stop

12:30 pm - 10:37 pm

HEL

DEN

19h 07m

2 stops

$438American Airlines

Tue, Feb 17 - Tue, Feb 24

Icelandair flights from Denver to Helsinki

Our best Icelandair deals on Denver to Helsinki flight tickets

Icelandair

Feb 16

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

$362

Icelandair

Apr 14

DEN4:40 pmDenver Intl

12h 20m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 23

HEL3:00 pmHelsinki-Vantaa

13h 00m

1 stop

DEN7:00 pmDenver Intl

$366

Icelandair

Apr 27

DEN4:40 pmDenver Intl

12h 20m

1 stop

HEL2:00 pmHelsinki-Vantaa

May 3

HEL3:00 pmHelsinki-Vantaa

13h 00m

1 stop

DEN7:00 pmDenver Intl

$378

Lufthansa flights from Denver to Helsinki

Our best Lufthansa deals on Denver to Helsinki flight tickets

Lufthansa

Feb 16

DEN5:45 pmDenver Intl

13h 55m

1 stop

HEL4:40 pmHelsinki-Vantaa

Mar 2

HEL6:55 amHelsinki-Vantaa

18h 05m

1 stop

DEN4:00 pmDenver Intl

$455

Lufthansa

Feb 16

DEN5:45 pmDenver Intl

13h 55m

1 stop

HEL4:40 pmHelsinki-Vantaa

Mar 2

HEL6:55 amHelsinki-Vantaa

18h 05m

1 stop

DEN4:00 pmDenver Intl

$458

Lufthansa

Feb 16

DEN5:45 pmDenver Intl

13h 55m

1 stop

HEL4:40 pmHelsinki-Vantaa

Mar 2

HEL6:50 amHelsinki-Vantaa

18h 10m

2 stops

DEN4:00 pmDenver Intl

$463

Fly from

Fly to

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 2/16

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Mon 3/2

1:55 pm-6:05 pm

1 stop13h 10m

$362

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 4/14

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Thu 4/23

3:00 pm-7:00 pm

1 stop13h 00m

$366

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/27

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Sun 5/3

3:00 pm-7:00 pm

1 stop13h 00m

$378

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 4/23

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Thu 4/30

3:00 pm-7:00 pm

1 stop13h 00m

$393

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 4/23

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Fri 5/1

3:00 pm-7:00 pm

1 stop13h 00m

$399

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 4/24

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Fri 5/1

3:00 pm-7:00 pm

1 stop13h 00m

$400

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 4/26

6:40 pm-11:00 pm

1 stop19h 20m

Helsinki-Vantaa

Tue 5/12

12:35 pm-7:55 pm

1 stop16h 20m

$414

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 2/17

8:00 am-10:45 am

1 stop17h 45m

Helsinki-Vantaa

Tue 2/24

12:30 pm-10:40 pm

1 stop19h 10m

$434

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 4/14

6:40 pm-11:20 am

2 stops31h 40m

Helsinki-Vantaa

Thu 4/23

4:25 pm-11:59 pm

1 stop16h 34m

$436

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 2/17

1:13 pm-3:20 pm

1 stop17h 07m

Helsinki-Vantaa

Tue 2/24

12:30 pm-10:37 pm

2 stops19h 07m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 April is, on average, the cheapest month to fly to Helsinki from Denver, with most prices found around $503. If you aren’t able to travel during the month of April, then book flights to Helsinki from Denver during March instead. Flights to Helsinki in March, while not as cheap as those in April, still average around $524.

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 $660 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 $586 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 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 (31% of total bookings). The next most popular airlines are United Airlines (18%), American Airlines (16%), 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 $393	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
British Airways	PriceFrom $471	Free Cancellation	Rating 6.7 7,690 reviews	Search British Airways flights
Finnair	PriceFrom $479	Free Cancellation	Rating 7.6 1,351 reviews	Search Finnair flights
Delta	PriceFrom $498	Free Cancellation	Rating 7.9 8,085 reviews	Search Delta flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.2 11,169 reviews	Search American Airlines flights
United Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 9,189 reviews	Search United Airlines flights
Lufthansa	PriceFrom $527	Free Cancellation	Rating 6.8 7,736 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.