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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $538.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 36m.

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

Delta, United Airlines, and Lufthansa 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: 45% of momondo users choosing 1-stop flights on this route connected there.

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 46% 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.

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 August 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.

$349 Cheap Flights from Denver to Helsinki in 2025

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 $509 to $724. The lowest price recently found on this route was $458.

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

8:10 pm - 2:00 pmDEN-HEL

32h 50m1 stop

3:00 pm - 6:55 pmHEL-DEN

12h 55m1 stop

$458Icelandair

Find Deal

Tue, Oct 7 - Tue, Oct 21

7:21 am - 10:45 amDEN-HEL

18h 24m1 stop

12:35 pm - 11:41 pmHEL-DEN

20h 06m1 stop

$482

Find Deal

Fri, Oct 10 - Sun, Oct 19

12:41 pm - 2:00 pmDEN-HEL

16h 19m2 stops

12:35 pm - 7:42 pmHEL-DEN

16h 07m1 stop

$486American Airlines

Find Deal

Wed, Oct 1 - Wed, Oct 8

12:29 pm - 2:20 pmDEN-HEL

16h 51m2 stops

12:35 pm - 6:12 pmHEL-DEN

14h 37m1 stop

$487British Airways

Find Deal

Tue, Oct 7 - Tue, Oct 14

4:15 pm - 11:50 pmDEN-HEL

22h 35m1 stop

6:10 am - 9:59 pmHEL-DEN

24h 49m2 stops

$504Lufthansa

Find Deal

Mon, Sep 1 - Mon, Sep 8

4:15 pm - 11:50 pmDEN-HEL

22h 35m1 stop

6:10 am - 3:35 pmHEL-DEN

18h 25m1 stop

$508Lufthansa

Find Deal

Mon, Sep 1 - Mon, Sep 8

5:40 pm - 12:50 pmDEN-HEL

34h 10m2 stops

6:10 am - 3:35 pmHEL-DEN

18h 25m1 stop

$536United Airlines

Find Deal

Sun, Aug 31 - Mon, Sep 8

5:59 pm - 12:25 amDEN-HEL

21h 26m1 stop

6:10 am - 1:35 pmHEL-DEN

16h 25m1 stop

$538United Airlines

Find Deal

Mon, Sep 8 - Mon, Sep 22

6:35 pm - 11:00 pmDEN-HEL

19h 25m1 stop

12:35 pm - 6:12 pmHEL-DEN

14h 37m1 stop

$557British Airways

Find Deal

Wed, Oct 1 - Wed, Oct 8

12:29 pm - 2:00 pmDEN-HEL

16h 31m2 stops

12:35 pm - 7:42 pmHEL-DEN

16h 07m1 stop

$611American Airlines

Find Deal

Fri, Oct 10 - Sun, Oct 19

Icelandair flights from Denver to Helsinki

Our best Icelandair deals on Denver to Helsinki flight tickets

Icelandair

Oct 7

DEN8:10 pmDenver Intl

32h 50m

1 stop

HEL2:00 pmHelsinki-Vantaa

Oct 21

HEL3:00 pmHelsinki-Vantaa

12h 55m

1 stop

DEN6:55 pmDenver Intl

$458

Find similar

Icelandair

Aug 24

DEN4:40 pmDenver Intl

12h 20m

1 stop

HEL2:00 pmHelsinki-Vantaa

Aug 28

HEL11:55 amHelsinki-Vantaa

16h 00m

2 stops

DEN6:55 pmDenver Intl

$838

Find similar

Icelandair

Aug 24

DEN4:40 pmDenver Intl

12h 20m

1 stop

HEL2:00 pmHelsinki-Vantaa

Aug 28

HEL11:55 amHelsinki-Vantaa

16h 00m

2 stops

DEN6:55 pmDenver Intl

$858

Find similar

American Airlines flights from Denver to Helsinki

Our best American Airlines deals on Denver to Helsinki flight tickets

American Airlines

Oct 1

DEN12:41 pmDenver Intl

16h 19m

2 stops

HEL2:00 pmHelsinki-Vantaa

Oct 8

HEL12:35 pmHelsinki-Vantaa

16h 07m

1 stop

DEN7:42 pmDenver Intl

$486

Find similar

American Airlines

Oct 10

DEN12:29 pmDenver Intl

16h 31m

2 stops

HEL2:00 pmHelsinki-Vantaa

Oct 19

HEL12:35 pmHelsinki-Vantaa

16h 07m

1 stop

DEN7:42 pmDenver Intl

$611

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 10/7

8:10 pm-2:00 pm

1 stop32h 50m

Helsinki-Vantaa

Tue 10/21

3:00 pm-6:55 pm

1 stop12h 55m

$458

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 10/10

7:21 am-10:45 am

1 stop18h 24m

Helsinki-Vantaa

Sun 10/19

12:35 pm-11:41 pm

1 stop20h 06m

$482

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 10/1

12:41 pm-2:00 pm

2 stops16h 19m

Helsinki-Vantaa

Wed 10/8

12:35 pm-7:42 pm

1 stop16h 07m

$486

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Tue 10/7

12:29 pm-2:20 pm

2 stops16h 51m

Helsinki-Vantaa

Tue 10/14

12:35 pm-6:12 pm

1 stop14h 37m

$487

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 9/1

4:15 pm-11:50 pm

1 stop22h 35m

Helsinki-Vantaa

Mon 9/8

6:10 am-9:59 pm

2 stops24h 49m

$504

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 9/1

4:15 pm-11:50 pm

1 stop22h 35m

Helsinki-Vantaa

Mon 9/8

6:10 am-3:35 pm

1 stop18h 25m

$508

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Sun 8/31

5:40 pm-12:50 pm

2 stops34h 10m

Helsinki-Vantaa

Mon 9/8

6:10 am-3:35 pm

1 stop18h 25m

$536

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Mon 9/8

5:59 pm-12:25 am

1 stop21h 26m

Helsinki-Vantaa

Mon 9/22

6:10 am-1:35 pm

1 stop16h 25m

$538

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Wed 10/1

6:35 pm-11:00 pm

1 stop19h 25m

Helsinki-Vantaa

Wed 10/8

12:35 pm-6:12 pm

1 stop14h 37m

$557

DenverHelsinki

DEN - HEL

DENHEL

Denver Intl

Fri 10/10

12:29 pm-2:00 pm

2 stops16h 31m

Helsinki-Vantaa

Sun 10/19

12:35 pm-7:42 pm

1 stop16h 07m

$611

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 November is, on average, the cheapest month to fly to Helsinki from Denver, with most prices found around $458. If you aren’t able to travel during the month of November, then book flights to Helsinki from Denver during January instead. Flights to Helsinki in January, while not as cheap as those in November, still average around $468.

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 $613 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 $492 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

Best Price Found	$367
Fastest flight time	12h 15m
Direct flights	None
Airports in Helsinki	1 airport

The best one-way flight to Helsinki from Denver in the past 72 hours is $367. The best round-trip flight deal from Denver to Helsinki found on momondo in the last 72 hours is $458.

The fastest flight from Denver to Helsinki takes 12h 15m

There are no direct flights from Denver to Helsinki. Popular non-direct route for this connection is Denver Intl Airport - Helsinki-Vantaa Airport.

There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)

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 14h 50m.
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 August 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 (38% of total bookings). The next most popular airlines are American Airlines (16%), Finnair (14%), 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 $351	Free Cancellation	Rating 7.0 527 reviews	Search Icelandair flights
British Airways	PriceFrom $442	Free Cancellation	Rating 6.6 7,277 reviews	Search British Airways flights
Finnair	PriceFrom $456	Free Cancellation	Rating 7.6 1,320 reviews	Search Finnair flights
American Airlines	PriceFrom $458	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $502	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights
Delta	PriceFrom $507	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Lufthansa	PriceFrom $509	Free Cancellation	Rating 6.8 7,330 reviews	Search Lufthansa flights
Air France	PriceFrom $526	Free Cancellation	Rating 7.4 1,468 reviews	Search Air France flights

Vantaa

Espoo

Kotka

Lahti

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.