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Cheap flights from Denver to Helena from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Helena departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:18 pm - 9:25 pm
DEN
-
HLN
2h 07mnonstop
United Airlines Logo
6:15 am - 8:24 am
HLN
-
DEN
2h 09mnonstop
$209United Airlines
Thu, Mar 26 - Sun, Mar 29
Alaska Airlines Logo
7:00 am - 3:59 pm
DEN
-
HLN
8h 59m1 stop
Alaska Airlines Logo
4:36 pm - 11:59 pm
HLN
-
DEN
7h 23m1 stop
$218Alaska Airlines
Wed, Feb 18 - Sun, Feb 22
United Airlines Logo
11:30 am - 1:41 pm
DEN
-
HLN
2h 11mnonstop
United Airlines Logo
6:15 am - 8:35 am
HLN
-
DEN
2h 20mnonstop
$249United Airlines
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
11:30 am - 1:41 pm
DEN
-
HLN
2h 11mnonstop
United Airlines Logo
2:27 pm - 4:37 pm
HLN
-
DEN
2h 10mnonstop
$279United Airlines
Sat, Jan 31 - Wed, Feb 4
Delta Logo
5:15 am - 12:27 pm
DEN
-
HLN
7h 12m1 stop
Delta Logo
5:30 am - 9:38 am
HLN
-
DEN
4h 08m1 stop
$284Delta
Thu, Feb 5 - Mon, Feb 9
Alaska Airlines Logo
7:00 am - 3:59 pm
DEN
-
HLN
8h 59m1 stop
Alaska Airlines Logo
4:36 pm - 11:38 am
HLN
-
DEN
19h 02m2 stops
$291Alaska Airlines
Wed, Feb 18 - Sun, Feb 22
Alaska Airlines Logo
7:00 am - 6:11 pm
DEN
-
HLN
11h 11m1 stop
Alaska Airlines Logo
4:36 pm - 11:59 pm
HLN
-
DEN
7h 23m1 stop
$303Alaska Airlines
Wed, Feb 11 - Sat, Feb 14
Delta Logo
7:05 am - 12:23 pm
DEN
-
HLN
5h 18m1 stop
Delta Logo
5:45 am - 9:37 am
HLN
-
DEN
3h 52m1 stop
$304Delta
Fri, Jun 5 - Sun, Jun 7
Alaska Airlines Logo
7:00 am - 6:11 pm
DEN
-
HLN
11h 11m1 stop
Alaska Airlines Logo
6:48 pm - 11:58 pm
HLN
-
DEN
29h 10m2 stops
$308Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
11:30 am - 1:41 pm
DEN
-
HLN
2h 11mnonstop
United Airlines Logo
2:27 pm - 4:37 pm
HLN
-
DEN
2h 10mnonstop
$319United Airlines
Wed, Jan 7 - Sun, Jan 11

Alaska Airlines flights from Denver to Helena

Our best Alaska Airlines deals on Denver to Helena flight tickets
Alaska Airlines
Feb 18
DEN7:00 amDenver Intl
8h 59m
1 stop
HLN3:59 pmHelena
Feb 22
HLN4:36 pmHelena
7h 23m
1 stop
DEN11:59 pmDenver Intl
$218
Find similar
Alaska Airlines
Feb 18
DEN7:00 amDenver Intl
8h 59m
1 stop
HLN3:59 pmHelena
Feb 22
HLN4:36 pmHelena
19h 02m
2 stops
DEN11:38 amDenver Intl
$291
Find similar
Alaska Airlines
Feb 11
DEN7:00 amDenver Intl
11h 11m
1 stop
HLN6:11 pmHelena
Feb 14
HLN4:36 pmHelena
7h 23m
1 stop
DEN11:59 pmDenver Intl
$303
Find similar

United Airlines flights from Denver to Helena

Our best United Airlines deals on Denver to Helena flight tickets
United Airlines
Jan 6
DEN11:30 amDenver Intl
2h 11m
HLN1:41 pmHelena
Jan 10
HLN6:15 amHelena
2h 20m
DEN8:35 amDenver Intl
$249
Find similar
United Airlines
Jan 31
DEN11:30 amDenver Intl
2h 11m
HLN1:41 pmHelena
Feb 4
HLN2:27 pmHelena
2h 10m
DEN4:37 pmDenver Intl
$279
Find similar
United Airlines
Apr 13
DEN7:30 pmDenver Intl
2h 03m
HLN9:33 pmHelena
Apr 14
HLN2:25 pmHelena
2h 09m
DEN4:34 pmDenver Intl
$322
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Denver to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 3/26

7:18 pm-9:25 pm

Nonstop2h 07m

Helena

Sun 3/29

6:15 am-8:24 am

Nonstop2h 09m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 2/18

7:00 am-3:59 pm

1 stop8h 59m

Helena

Sun 2/22

4:36 pm-11:59 pm

1 stop7h 23m

$218

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 1/6

11:30 am-1:41 pm

Nonstop2h 11m

Helena

Sat 1/10

6:15 am-8:35 am

Nonstop2h 20m

$249

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 1/31

11:30 am-1:41 pm

Nonstop2h 11m

Helena

Wed 2/4

2:27 pm-4:37 pm

Nonstop2h 10m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 2/5

5:15 am-12:27 pm

1 stop7h 12m

Helena

Mon 2/9

5:30 am-9:38 am

1 stop4h 08m

$284

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 2/18

7:00 am-3:59 pm

1 stop8h 59m

Helena

Sun 2/22

4:36 pm-11:38 am

2 stops19h 02m

$291

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 2/11

7:00 am-6:11 pm

1 stop11h 11m

Helena

Sat 2/14

4:36 pm-11:59 pm

1 stop7h 23m

$303

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 6/5

7:05 am-12:23 pm

1 stop5h 18m

Helena

Sun 6/7

5:45 am-9:37 am

1 stop3h 52m

$304

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 1/31

7:00 am-6:11 pm

1 stop11h 11m

Helena

Wed 2/4

6:48 pm-11:58 pm

2 stops29h 10m

$308

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 1/7

11:30 am-1:41 pm

Nonstop2h 11m

Helena

Sun 1/11

2:27 pm-4:37 pm

Nonstop2h 10m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from Denver to Helena

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

What is the cheapest month to fly to Helena?

If you aren’t able to travel to Helena during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $244.

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

The cheapest day to depart from Denver to Helena is on a Wednesday. Travelers who choose to depart for Helena on a Wednesday will often find tickets for as low as $289. The most expensive day to fly to Helena is Sunday, with ticket prices averaging around $473.

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

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Denver to Helena in the afternoon for as low as $277. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the evening when prices are around $339.

What is the cheapest Denver Intl to Helena flight route?

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

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

There is only 1 cabin class available to choose from on Denver Intl to Helena 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 Denver to Helena flights?

You could potentially save up to 4% on your flight if you consider stops on a Denver to Helena flight.

How have Denver to Helena flight prices changed over time?

As of December 2025, prices for Denver to Helena flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Helena

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

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

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

Fastest flight time

2h 03m

Direct flights

Wed, Thu, Fri, Sat and Sun

Airports in Helena

1 airport
The fastest flight from Denver to Helena takes 2h 03m
Direct flights go from Denver to Helena on Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Helena. From Denver there are direct flights to Helena (HLN).
Search flight deals

  • How far is Denver Intl to Helena by plane?

    Helena is 591.1 mi away from Denver Intl. Flights usually cover this in 2h 03m, depending on flying conditions and air traffic around both airports.

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

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

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

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

  • What documentation or ID do you need to fly to Helena Airport?

    The travel and health documents you'll need for your trip to Helena 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 Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Denver to Helena?

  • What is the most popular airline from Denver to Helena?

Best airlines flying from Denver to Helena

Compare and see reviews for airlines that fly from Denver to Helena with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Helena

    Across 12 United Airlines flights from Denver to Helena this week, the average price was $313, with the best United Airlines deals starting from $209 round-trip. 9,105 users have rated United Airlines on momondo, with an average score of 7.4/10.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Helena. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Helena from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Denver to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Denver to Helena now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Helena and let you know when they change.

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Thu 1/22
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