What is the cheapest airline that flies from Helena to Denver Intl?

Hawaiian Airlines, United Airlines, and Delta are the most popular carriers operating from Helena to Denver Intl

How many flights depart from Helena to Denver on average per week?

As of January 2026, 14 flights take off from Helena and land in Denver each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

What airlines fly to Denver?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Denver from Helena according to our data. United Airlines is the first choice among our users, with 81% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

How many flights depart from Helena to Denver on average per day?

As of January 2026, there are 2 flights per day flying from Helena to Denver. The most common time of day flights depart is 6:00AM, with 50% of flights taking off at noon.

When did momondo last update prices for flights from Helena Airport to Denver Intl Airport?

Prices for flights from Helena Airport to Denver Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Helena Airport to Denver Intl Airport?

As of January 2026, there is 1 operator available to choose from for flights from Helena Airport to Denver Intl Airport.

How old do you have to be to fly from Helena Airport to Denver Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$101 Cheap Flights from Helena to Denver in 2026

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Find the cheapest flights from Helena to Denver

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 8:23 am

HLN

DEN

2h 08mnonstop

11:30 am - 1:38 pm

DEN

HLN

2h 08mnonstop

$209United Airlines

Sat, Mar 7 - Sun, Mar 15

5:40 am - 9:14 am

HLN

DEN

3h 34m

1 stop

6:25 pm - 10:30 pm

DEN

HLN

4h 05m

1 stop

$229Delta

Wed, Apr 15 - Fri, Apr 24

4:36 pm - 12:14 pm

HLN

DEN

19h 38m

1 stop

7:00 am - 3:59 pm

DEN

HLN

8h 59m

1 stop

$248Alaska Airlines

Tue, Feb 24 - Tue, Mar 3

2:25 pm - 4:33 pm

HLN

DEN

2h 08mnonstop

7:09 pm - 9:16 pm

DEN

HLN

2h 07mnonstop

$249United Airlines

Thu, Feb 12 - Mon, Feb 16

4:36 pm - 11:59 pm

HLN

DEN

7h 23m

1 stop

7:00 am - 3:59 pm

DEN

HLN

8h 59m

1 stop

$250Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

6:22 pm - 11:56 pm

HLN

DEN

5h 34m

1 stop

7:00 am - 5:45 pm

DEN

HLN

10h 45m

1 stop

$264Alaska Airlines

Wed, Apr 15 - Fri, Apr 17

4:36 pm - 11:59 pm

HLN

DEN

7h 23m

1 stop

11:38 am - 3:59 pm

DEN

HLN

28h 21m

2 stops

$265Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

4:36 pm - 11:59 pm

HLN

DEN

7h 23m

1 stop

7:00 am - 3:59 pm

DEN

HLN

8h 59m

1 stop

$266Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

2:25 pm - 4:33 pm

HLN

DEN

2h 08mnonstop

7:09 pm - 9:16 pm

DEN

HLN

2h 07mnonstop

$279United Airlines

Sat, Feb 28 - Wed, Mar 4

4:36 pm - 11:59 pm

HLN

DEN

7h 23m

1 stop

11:38 am - 3:59 pm

DEN

HLN

28h 21m

2 stops

$281Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

Alaska Airlines flights from Helena to Denver

Our best Alaska Airlines deals on Helena to Denver flight tickets

Alaska Airlines

Feb 24

HLN4:36 pmHelena

19h 38m

1 stop

DEN12:14 pmDenver Intl

Mar 3

DEN7:00 amDenver Intl

8h 59m

1 stop

HLN3:59 pmHelena

$248

Alaska Airlines

Feb 28

HLN4:36 pmHelena

7h 23m

1 stop

DEN11:59 pmDenver Intl

Mar 4

DEN7:00 amDenver Intl

8h 59m

1 stop

HLN3:59 pmHelena

$250

Alaska Airlines

Apr 15

HLN6:22 pmHelena

5h 34m

1 stop

DEN11:56 pmDenver Intl

Apr 17

DEN7:00 amDenver Intl

10h 45m

1 stop

HLN5:45 pmHelena

$264

United Airlines flights from Helena to Denver

Our best United Airlines deals on Helena to Denver flight tickets

United Airlines

Mar 7

HLN6:15 amHelena

2h 08m

DEN8:23 amDenver Intl

Mar 15

DEN11:30 amDenver Intl

2h 08m

HLN1:38 pmHelena

$209

United Airlines

Feb 12

HLN2:25 pmHelena

2h 08m

DEN4:33 pmDenver Intl

Feb 16

DEN7:09 pmDenver Intl

2h 07m

HLN9:16 pmHelena

$249

United Airlines

Feb 28

HLN2:25 pmHelena

2h 08m

DEN4:33 pmDenver Intl

Mar 4

DEN7:09 pmDenver Intl

2h 07m

HLN9:16 pmHelena

$279

Fly from

Fly to

Route

Depart

Return

Price

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 3/7

6:15 am-8:23 am

Nonstop2h 08m

Denver Intl

Sun 3/15

11:30 am-1:38 pm

Nonstop2h 08m

$209

HelenaDenver

HLN - DEN

HLNDEN

Helena

Wed 4/15

5:40 am-9:14 am

1 stop3h 34m

Denver Intl

Fri 4/24

6:25 pm-10:30 pm

1 stop4h 05m

$229

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 2/24

4:36 pm-12:14 pm

1 stop19h 38m

Denver Intl

Tue 3/3

7:00 am-3:59 pm

1 stop8h 59m

$248

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 2/12

2:25 pm-4:33 pm

Nonstop2h 08m

Denver Intl

Mon 2/16

7:09 pm-9:16 pm

Nonstop2h 07m

$249

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 2/28

4:36 pm-11:59 pm

1 stop7h 23m

Denver Intl

Wed 3/4

7:00 am-3:59 pm

1 stop8h 59m

$250

HelenaDenver

HLN - DEN

HLNDEN

Helena

Wed 4/15

6:22 pm-11:56 pm

1 stop5h 34m

Denver Intl

Fri 4/17

7:00 am-5:45 pm

1 stop10h 45m

$264

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 2/28

4:36 pm-11:59 pm

1 stop7h 23m

Denver Intl

Wed 3/4

11:38 am-3:59 pm

2 stops28h 21m

$265

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 2/28

4:36 pm-11:59 pm

1 stop7h 23m

Denver Intl

Wed 3/4

7:00 am-3:59 pm

1 stop8h 59m

$266

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 2/28

2:25 pm-4:33 pm

Nonstop2h 08m

Denver Intl

Wed 3/4

7:09 pm-9:16 pm

Nonstop2h 07m

$279

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 2/28

4:36 pm-11:59 pm

1 stop7h 23m

Denver Intl

Wed 3/4

11:38 am-3:59 pm

2 stops28h 21m

$281

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to Denver

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

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Helena is in January. Flight prices, which tend to average around $279, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until May to fly from Helena, when ticket prices are also cheap, with an average price of $279.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $509. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $675.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $481. Flights in the morning are often more expensive with an average ticket price of $634.

What is the cheapest Helena to Denver Intl flight route?

Fly from Helena to Denver Intl for the best Helena - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Helena when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $305 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Helena for as low as $216 on momondo.

What cabin class options are available on Helena to Denver Intl flights?

There are 4 cabin classes available to choose from on Helena to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Helena to Denver flights?

You could potentially save up to 29% on your flight if you consider stops on a Helena to Denver flight.

How have Helena to Denver flight prices changed over time?

When to book flights from Helena to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Denver (HLN to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Denver

Best Price Found	$234
Fastest flight time	1h 51m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Denver	1 airport

The best one-way flight to Denver from Helena in the past 72 hours is $234. The best round-trip flight deal from Helena to Denver found on momondo in the last 72 hours is $363.

The fastest flight from Helena to Denver takes 1h 51m

Direct flights go from Helena to Denver on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Denver. From Helena there are direct flights to Denver Intl (DEN).

Search flight deals

How far is Helena to Denver Intl by plane?
There are 591.1 mi between Helena and Denver Intl. 1h 51m is a normal flight duration for this route.
When did momondo last update prices for flights from Helena Airport to Denver Intl Airport?
Prices for flights from Helena Airport to Denver Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Helena Airport to Denver Intl Airport?
As of January 2026, there is 1 operator available to choose from for flights from Helena Airport to Denver Intl Airport.
How old do you have to be to fly from Helena Airport to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Helena to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Helena to Denver is Embraer 175 (Enhanced Winglets) (50.72% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (5.80%), Boeing 737-800 (5.80%), and Boeing 737-800 Passenger/BBJ2 (winglets) (5.80%).
What is the most popular airline from Helena to Denver?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Helena to Denver is United Airlines (100% of total bookings).

Best airlines flying from Helena to Denver

Compare and see reviews for airlines that fly from Helena to Denver with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 9,215 reviews		Search United Airlines flights

United Airlines Flights From Helena to Denver
United Airlines operates around 14 flights from Helena to Denver every week. The average price of these flights found in the last 72 hours has been $303, but momondo users have found United Airlines deals from Helena to Denver from as low as $209 round-trip. United Airlines has been scored 7.4/10 in 9,215 reviews.

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Manitou Springs

Longmont

Cripple Creek

Boulder

Keystone

Greeley

Lakewood

Westminster

Thornton

Frisco

Winter Park

Copper Mountain

Centennial

Grand Lake

Englewood

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Denver?

It is quick and easy to find Helena to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from Helena to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from Helena which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Helena to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Helena. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Helena to Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helena to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.