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

Icelandair and Lufthansa are the most popular carriers operating from Denver Intl to Helsinki-Vantaa

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: 46% of momondo users choosing 1-stop flights on this route connected there.

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 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 February 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.

$308 Cheap Flights from Denver to Helsinki in 2026

Q: What is the typical price of a round-trip flight between Denver and Helsinki?

Prices are currently low for flights on this route. Typical prices usually range from $442 to $553. The lowest price recently found on this route was $366.

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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 - 7:05 pm

HEL

DEN

13h 10m

1 stop

$366Icelandair

Tue, Mar 3 - Mon, Mar 9

3:40 pm - 12:55 pm

DEN

HEL

12h 15m

1 stop

1:55 pm - 7:05 pm

HEL

DEN

13h 10m

1 stop

$367Icelandair

Mon, Mar 2 - Mon, Mar 9

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$369Icelandair

Sat, Apr 18 - Wed, Apr 22

5:45 pm - 1:20 am

DEN

HEL

22h 35m

1 stop

6:50 am - 5:00 pm

HEL

DEN

18h 10m

2 stops

$469Lufthansa

Mon, Mar 2 - Mon, Mar 9

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$475Icelandair

Mon, Aug 3 - Wed, Sep 30

12:59 pm - 3:20 pm

DEN

HEL

17h 21m

1 stop

12:30 pm - 9:35 am

HEL

DEN

29h 05m

1 stop

$478American Airlines

Thu, Feb 26 - Wed, Mar 11

4:40 pm - 2:00 pm

DEN

HEL

12h 20m

1 stop

3:00 pm - 7:00 pm

HEL

DEN

13h 00m

1 stop

$487Icelandair

Mon, Aug 3 - Wed, Sep 30

10:20 am - 12:00 pm

DEN

HEL

16h 40m

2 stops

6:50 am - 7:55 pm

HEL

DEN

21h 05m

1 stop

$491United Airlines

Tue, Mar 3 - Mon, Mar 9

7:50 am - 12:00 pm

DEN

HEL

19h 10m

2 stops

6:50 am - 7:55 pm

HEL

DEN

21h 05m

1 stop

$492United Airlines

Tue, Mar 3 - Mon, Mar 9

11:10 am - 1:10 pm

DEN

HEL

17h 00m

2 stops

7:00 am - 9:46 pm

HEL

DEN

22h 46m

2 stops

$498KLM

Thu, Feb 26 - Wed, Mar 11

Lufthansa flights from Denver to Helsinki

Our best Lufthansa deals on Denver to Helsinki flight tickets

Lufthansa

Mar 2

DEN5:45 pmDenver Intl

22h 35m

1 stop

HEL1:20 amHelsinki-Vantaa

Mar 9

HEL6:50 amHelsinki-Vantaa

18h 10m

2 stops

DEN5:00 pmDenver Intl

$469

Lufthansa

Feb 14

DEN4:20 pmDenver Intl

17h 30m

1 stop

HEL6:50 pmHelsinki-Vantaa

Feb 24

HEL7:05 amHelsinki-Vantaa

17h 55m

1 stop

DEN4:00 pmDenver Intl

$484

Lufthansa

Feb 14

DEN4:15 pmDenver Intl

39h 25m

2 stops

HEL4:40 pmHelsinki-Vantaa

Feb 24

HEL7:05 amHelsinki-Vantaa

21h 26m

2 stops

DEN7:31 pmDenver Intl

$523

United Airlines flights from Denver to Helsinki

Our best United Airlines deals on Denver to Helsinki flight tickets

United Airlines

Mar 3

DEN10:20 amDenver Intl

16h 40m

2 stops

HEL12:00 pmHelsinki-Vantaa

Mar 9

HEL6:50 amHelsinki-Vantaa

21h 05m

1 stop

DEN7:55 pmDenver Intl

$491

United Airlines

Mar 3

DEN7:50 amDenver Intl

19h 10m

2 stops

HEL12:00 pmHelsinki-Vantaa

Mar 9

HEL6:50 amHelsinki-Vantaa

21h 05m

1 stop

DEN7:55 pmDenver Intl

$492

United Airlines

May 6

DEN9:20 pmDenver Intl

36h 35m

2 stops

HEL6:55 pmHelsinki-Vantaa

May 13

HEL6:35 amHelsinki-Vantaa

25h 35m

2 stops

DEN11:10 pmDenver Intl

$496

Fly from

Fly to

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 3/3

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Mon 3/9

1:55 pm-7:05 pm

1 stop13h 10m

$366

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 3/2

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Mon 3/9

1:55 pm-7:05 pm

1 stop13h 10m

$367

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 4/18

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Wed 4/22

3:00 pm-7:00 pm

1 stop13h 00m

$369

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 3/2

5:45 pm-1:20 am

1 stop22h 35m

Helsinki-Vantaa

Mon 3/9

6:50 am-5:00 pm

2 stops18h 10m

$469

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 8/3

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Wed 9/30

3:00 pm-7:00 pm

1 stop13h 00m

$475

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/26

12:59 pm-3:20 pm

1 stop17h 21m

Helsinki-Vantaa

Wed 3/11

12:30 pm-9:35 am

1 stop29h 05m

$478

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 8/3

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Wed 9/30

3:00 pm-7:00 pm

1 stop13h 00m

$487

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 3/3

10:20 am-12:00 pm

2 stops16h 40m

Helsinki-Vantaa

Mon 3/9

6:50 am-7:55 pm

1 stop21h 05m

$491

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 3/3

7:50 am-12:00 pm

2 stops19h 10m

Helsinki-Vantaa

Mon 3/9

6:50 am-7:55 pm

1 stop21h 05m

$492

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 2/26

11:10 am-1:10 pm

2 stops17h 00m

Helsinki-Vantaa

Wed 3/11

7:00 am-9:46 pm

2 stops22h 46m

$498

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 typical price of a round-trip flight between Denver and Helsinki?

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 $480. 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 $496.

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 $665 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 February 2026, prices for Denver to Helsinki flights are approximately 17% 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 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 February 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 (19%), American Airlines (17%), and Finnair (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 $392	Free Cancellation	Rating 7.1 614 reviews	Search Icelandair flights
American Airlines	PriceFrom $442	Free Cancellation	Rating 7.2 11,288 reviews	Search American Airlines flights
British Airways	PriceFrom $471	Free Cancellation	Rating 6.7 7,739 reviews	Search British Airways flights
Finnair	PriceFrom $479	Free Cancellation	Rating 7.6 1,362 reviews	Search Finnair flights
Delta	PriceFrom $498	Free Cancellation	Rating 7.9 8,200 reviews	Search Delta flights
United Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 9,292 reviews	Search United Airlines flights
Lufthansa	PriceFrom $527	Free Cancellation	Rating 6.8 7,784 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.