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 20m.

What airlines fly to Helsinki?

Icelandair, American Airlines and Finnair 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 44% 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.

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

Lufthansa, United Airlines, and Air Canada are the most popular carriers operating from Denver Intl to Helsinki-Vantaa

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.

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.

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 November 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.

$344 Cheap Flights from Denver to Helsinki in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

3:40 pm - 12:55 pmDEN-HEL

12h 15m1 stop

1:55 pm - 6:05 pmHEL-DEN

13h 10m1 stop

$363Icelandair

Find Deal

Thu, Dec 4 - Thu, Dec 11

3:40 pm - 12:55 pmDEN-HEL

12h 15m1 stop

1:55 pm - 6:05 pmHEL-DEN

13h 10m1 stop

$390Icelandair

Find Deal

Thu, Dec 4 - Thu, Dec 11

4:40 pm - 2:00 pmDEN-HEL

12h 20m1 stop

3:00 pm - 6:55 pmHEL-DEN

12h 55m1 stop

$422Icelandair

Find Deal

Tue, Apr 14 - Fri, Apr 24

4:40 pm - 2:00 pmDEN-HEL

12h 20m1 stop

3:00 pm - 6:55 pmHEL-DEN

12h 55m1 stop

$445Icelandair

Find Deal

Mon, Apr 13 - Wed, Apr 22

5:45 pm - 1:20 amDEN-HEL

22h 35m1 stop

6:55 am - 4:00 pmHEL-DEN

18h 05m1 stop

$449Lufthansa

Find Deal

Thu, Dec 4 - Thu, Dec 11

4:20 pm - 6:50 pmDEN-HEL

17h 30m1 stop

1:55 pm - 10:23 amHEL-DEN

29h 28m2 stops

$468Multiple Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

7:50 am - 10:45 amDEN-HEL

17h 55m1 stop

12:30 pm - 6:13 pmHEL-DEN

14h 43m1 stop

$474Multiple Airlines

Find Deal

Tue, Jan 20 - Sun, Jan 25

1:25 pm - 1:10 pmDEN-HEL

38h 45m2 stops

12:45 pm - 7:55 pmHEL-DEN

40h 10m2 stops

$476Air Canada

Find Deal

Tue, Jan 20 - Sun, Jan 25

4:20 pm - 6:50 pmDEN-HEL

17h 30m1 stop

7:05 am - 4:00 pmHEL-DEN

17h 55m1 stop

$477Lufthansa

Find Deal

Sat, Feb 14 - Tue, Feb 24

11:05 am - 7:00 pmDEN-HEL

22h 55m2 stops

7:05 am - 6:20 pmHEL-DEN

20h 15m2 stops

$480Air Canada

Find Deal

Mon, Apr 27 - Mon, May 4

Lufthansa flights from Denver to Helsinki

Our best Lufthansa deals on Denver to Helsinki flight tickets

Lufthansa

Dec 4

DEN5:45 pmDenver Intl

22h 35m

1 stop

HEL1:20 amHelsinki-Vantaa

Dec 11

HEL6:55 amHelsinki-Vantaa

18h 05m

1 stop

DEN4:00 pmDenver Intl

$449

Find similar

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

$477

Find similar

Lufthansa

Apr 28

DEN4:05 pmDenver Intl

17h 55m

1 stop

HEL7:00 pmHelsinki-Vantaa

May 7

HEL7:05 amHelsinki-Vantaa

17h 30m

1 stop

DEN3:35 pmDenver Intl

$482

Find similar

Scandinavian Airlines flights from Denver to Helsinki

Our best Scandinavian Airlines deals on Denver to Helsinki flight tickets

Scandinavian Airlines

Jan 20

DEN6:41 amDenver Intl

23h 44m

3 stops

HEL3:25 pmHelsinki-Vantaa

Jan 25

HEL7:00 amHelsinki-Vantaa

24h 48m

3 stops

DEN10:48 pmDenver Intl

$537

Find similar

Scandinavian Airlines

Feb 26

DEN6:10 amDenver Intl

19h 30m

2 stops

HEL10:40 amHelsinki-Vantaa

Mar 10

HEL7:00 amHelsinki-Vantaa

23h 49m

3 stops

DEN10:49 pmDenver Intl

$539

Find similar

Scandinavian Airlines

Apr 29

DEN6:30 amDenver Intl

21h 25m

3 stops

HEL12:55 pmHelsinki-Vantaa

May 6

HEL6:10 amHelsinki-Vantaa

25h 48m

2 stops

DEN10:58 pmDenver Intl

$553

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 12/4

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Thu 12/11

1:55 pm-6:05 pm

1 stop13h 10m

$363

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 12/4

3:40 pm-12:55 pm

1 stop12h 15m

Helsinki-Vantaa

Thu 12/11

1:55 pm-6:05 pm

1 stop13h 10m

$390

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 4/14

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Fri 4/24

3:00 pm-6:55 pm

1 stop12h 55m

$422

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/13

4:40 pm-2:00 pm

1 stop12h 20m

Helsinki-Vantaa

Wed 4/22

3:00 pm-6:55 pm

1 stop12h 55m

$445

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 12/4

5:45 pm-1:20 am

1 stop22h 35m

Helsinki-Vantaa

Thu 12/11

6:55 am-4:00 pm

1 stop18h 05m

$449

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Thu 1/8

4:20 pm-6:50 pm

1 stop17h 30m

Helsinki-Vantaa

Thu 1/15

1:55 pm-10:23 am

2 stops29h 28m

$468

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 1/20

7:50 am-10:45 am

1 stop17h 55m

Helsinki-Vantaa

Sun 1/25

12:30 pm-6:13 pm

1 stop14h 43m

$474

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 1/20

1:25 pm-1:10 pm

2 stops38h 45m

Helsinki-Vantaa

Sun 1/25

12:45 pm-7:55 pm

2 stops40h 10m

$476

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sat 2/14

4:20 pm-6:50 pm

1 stop17h 30m

Helsinki-Vantaa

Tue 2/24

7:05 am-4:00 pm

1 stop17h 55m

$477

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 4/27

11:05 am-7:00 pm

2 stops22h 55m

Helsinki-Vantaa

Mon 5/4

7:05 am-6:20 pm

2 stops20h 15m

$480

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 $493. If you aren’t able to travel during the month of March, then book flights to Helsinki from Denver during November instead. Flights to Helsinki in November, while not as cheap as those in March, still average around $494.

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 $636 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 $530 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

Direct flights	None

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 November 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 (36% of total bookings). The next most popular airlines are American Airlines (16%), Finnair (15%), and United Airlines (12%).

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 $356	Free Cancellation	Rating 7.1 578 reviews	Search Icelandair flights
Finnair	PriceFrom $479	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
Delta	PriceFrom $501	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $507	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.7 7,516 reviews	Search British Airways flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
Air France	PriceFrom $526	Free Cancellation	Rating 7.4 1,486 reviews	Search Air France flights
Lufthansa	PriceFrom $527	Free Cancellation	Rating 6.8 7,570 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.