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

Reykjavik (KEF) was the most common stop: 79% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Helsinki?

Icelandair, United Airlines and Lufthansa 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 60% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 5 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

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

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: 14h 11m.

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

Reykjavik (KEF) has the shortest average layover time for this route: 2h 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 September 2026, there are 5 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.

$296 Cheap Flights from Denver to Helsinki in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Helsinki

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 pm - 1:00 pmDEN Denver Intl-HEL Helsinki-Vantaa

12h 20m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:00 pmHEL Helsinki-Vantaa-DEN Denver Intl

13h 00m1 stop Reykjavik Keflavik Intl

$396Icelandair

Fri, Oct 30 - Thu, Nov 12

3:40 pm - 1:00 pmDEN Denver Intl-HEL Helsinki-Vantaa

12h 20m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:00 pmHEL Helsinki-Vantaa-DEN Denver Intl

13h 00m1 stop Reykjavik Keflavik Intl

$408Icelandair

Mon, Mar 1 - Mon, Mar 8

7:16 am - 2:15 pmDEN Denver Intl-HEL Helsinki-Vantaa

21h 59m1 stop Chicago O'Hare Intl

4:25 pm - 10:52 pmHEL Helsinki-Vantaa-DEN Denver Intl

15h 27m1 stop Chicago O'Hare Intl

$566Multiple Airlines

Sun, Oct 4 - Tue, Oct 20

11:06 am - 3:25 pmDEN Denver Intl-HEL Helsinki-Vantaa

19h 19m1 stop Los Angeles Los Angeles

4:25 pm - 8:33 amHEL Helsinki-Vantaa-DEN Denver Intl

25h 08m1 stop Chicago O'Hare Intl

$567American Airlines

Sun, Oct 4 - Tue, Oct 20

10:39 am - 11:00 amDEN Denver Intl-HEL Helsinki-Vantaa

15h 21m1 stop Dallas/Fort Worth

12:20 pm - 9:47 pmHEL Helsinki-Vantaa-DEN Denver Intl

18h 27m1 stop Dallas/Fort Worth

$576American Airlines

Wed, Oct 14 - Wed, Oct 21

1:13 pm - 11:40 amDEN Denver Intl-HEL Helsinki-Vantaa

13h 27m1 stop Dallas/Fort Worth

12:30 pm - 7:53 pmHEL Helsinki-Vantaa-DEN Denver Intl

16h 23m1 stop Dallas/Fort Worth

$576Finnair

Mon, Nov 2 - Tue, Nov 17

5:01 pm - 11:15 pmDEN Denver Intl-HEL Helsinki-Vantaa

21h 14m2 stops London Heathrow Oslo Gardermoen

12:30 pm - 11:50 pmHEL Helsinki-Vantaa-DEN Denver Intl

20h 20m1 stop Dallas/Fort Worth

$577British Airways

Tue, Feb 23 - Tue, Mar 2

5:40 pm - 6:45 pmDEN Denver Intl-HEL Helsinki-Vantaa

40h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

12:35 pm - 9:54 amHEL Helsinki-Vantaa-DEN Denver Intl

30h 19m2 stops Munich Franz Josef Strauss San Francisco

$627United Airlines

Mon, Nov 30 - Tue, Dec 8

6:05 am - 11:50 amDEN Denver Intl-HEL Helsinki-Vantaa

21h 45m2 stops Newark Munich Franz Josef Strauss

12:35 pm - 8:19 amHEL Helsinki-Vantaa-DEN Denver Intl

28h 44m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$672United Airlines

Thu, Oct 29 - Thu, Nov 5

1:12 pm - 11:40 amDEN Denver Intl-HEL Helsinki-Vantaa

13h 28m1 stop Dallas/Fort Worth

12:30 pm - 8:12 pmHEL Helsinki-Vantaa-DEN Denver Intl

16h 42m1 stop Dallas/Fort Worth

$1,122Finnair

Wed, Dec 16 - Mon, Jan 11

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Icelandair flights from Denver to Helsinki

Our best Icelandair deals on Denver to Helsinki flight tickets

Icelandair

Oct 30

DEN4:40 pmDenver Intl

12h 20m

1 stop

HEL1:00 pmHelsinki-Vantaa

Nov 12

HEL2:00 pmHelsinki-Vantaa

13h 00m

1 stop

DEN6:00 pmDenver Intl

$396

Icelandair

Mar 1

DEN3:40 pmDenver Intl

12h 20m

1 stop

HEL1:00 pmHelsinki-Vantaa

Mar 8

HEL2:00 pmHelsinki-Vantaa

13h 00m

1 stop

DEN6:00 pmDenver Intl

$408

Icelandair

Nov 5

DEN3:40 pmDenver Intl

12h 20m

1 stop

HEL1:00 pmHelsinki-Vantaa

Nov 12

HEL2:00 pmHelsinki-Vantaa

13h 00m

1 stop

DEN6:00 pmDenver Intl

$410

American Airlines flights from Denver to Helsinki

Our best American Airlines deals on Denver to Helsinki flight tickets

American Airlines

Oct 4

DEN11:06 amDenver Intl

19h 19m

1 stop

HEL3:25 pmHelsinki-Vantaa

Oct 20

HEL4:25 pmHelsinki-Vantaa

25h 08m

1 stop

DEN8:33 amDenver Intl

$567

American Airlines

Oct 14

DEN10:39 amDenver Intl

15h 21m

1 stop

HEL11:00 amHelsinki-Vantaa

Oct 21

HEL12:20 pmHelsinki-Vantaa

18h 27m

1 stop

DEN9:47 pmDenver Intl

$576

American Airlines

Jan 17

DEN6:30 amDenver Intl

20h 10m

1 stop

HEL11:40 amHelsinki-Vantaa

Jan 27

HEL12:30 pmHelsinki-Vantaa

19h 26m

1 stop

DEN10:56 pmDenver Intl

$581

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Fri 10/30

4:40 pm-1:00 pm

1 stop12h 20m

Helsinki-Vantaa

Thu 11/12

2:00 pm-6:00 pm

1 stop13h 00m

$396

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Mon 3/1

3:40 pm-1:00 pm

1 stop12h 20m

Helsinki-Vantaa

Mon 3/8

2:00 pm-6:00 pm

1 stop13h 00m

$408

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Sun 10/4

7:16 am-2:15 pm

1 stop21h 59m

Helsinki-Vantaa

Tue 10/20

4:25 pm-10:52 pm

1 stop15h 27m

$566

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Sun 10/4

11:06 am-3:25 pm

1 stop19h 19m

Helsinki-Vantaa

Tue 10/20

4:25 pm-8:33 am

1 stop25h 08m

$567

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Wed 10/14

10:39 am-11:00 am

1 stop15h 21m

Helsinki-Vantaa

Wed 10/21

12:20 pm-9:47 pm

1 stop18h 27m

$576

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Mon 11/2

1:13 pm-11:40 am

1 stop13h 27m

Helsinki-Vantaa

Tue 11/17

12:30 pm-7:53 pm

1 stop16h 23m

$576

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Tue 2/23

5:01 pm-11:15 pm

2 stops21h 14m

Helsinki-Vantaa

Tue 3/2

12:30 pm-11:50 pm

1 stop20h 20m

$577

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Mon 11/30

5:40 pm-6:45 pm

2 stops40h 05m

Helsinki-Vantaa

Tue 12/8

12:35 pm-9:54 am

2 stops30h 19m

$627

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Thu 10/29

6:05 am-11:50 am

2 stops21h 45m

Helsinki-Vantaa

Thu 11/5

12:35 pm-8:19 am

2 stops28h 44m

$672

DenverHelsinki

DEN Denver Intl - HEL Helsinki-Vantaa

DENHEL

Denver Intl

Wed 12/16

1:12 pm-11:40 am

1 stop13h 28m

Helsinki-Vantaa

Mon 1/11

12:30 pm-8:12 pm

1 stop16h 42m

$1,122

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?

Prices are currently low for flights on this route.

Typical prices usually range from $655 to $767.
The lowest price recently found on this route was $396.

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 $460. 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 $482.

How far in advance should I book a flight from Denver 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 $757 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 $482 on momondo.

Can stopping save me money on Denver to Helsinki flights?

You could potentially save up to 16% on your flight if you consider stops on a Denver to Helsinki flight.

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

Best Price Found	$296
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to Helsinki from Denver in the past 72 hours is $296. The best round-trip flight deal from Denver to Helsinki found on momondo in the last 72 hours is $396.

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

Frequently asked questions about flying from Denver to Helsinki

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 September 2026, there are 5 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 (55% of total bookings). The next most popular airlines are United Airlines (16%), Lufthansa (11%), and American Airlines (10%).

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 6.9 747 reviews	Search Icelandair flights
American Airlines	PriceFrom $442	Free Cancellation	Rating 7.1 12,085 reviews	Search American Airlines flights
Finnair	PriceFrom $481	Free Cancellation	Rating 7.6 1,431 reviews	Search Finnair flights
United Airlines	PriceFrom $494	Free Cancellation	Rating 7.4 10,229 reviews	Search United Airlines flights
Lufthansa	PriceFrom $612	Free Cancellation	Rating 6.8 8,236 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.