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Cheap flights from Denver to Helena from $164

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 10/16. 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

Alaska Airlines Logo
6:20 pm - 5:41 pmDEN-HLN
23h 21m1 stop
Alaska Airlines Logo
6:13 pm - 11:59 pmHLN-DEN
5h 46m1 stop
$218Alaska Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
Delta Logo
6:25 pm - 10:42 pmDEN-HLN
4h 17m1 stop
Delta Logo
12:50 pm - 7:15 pmHLN-DEN
6h 25m1 stop
$229Delta
Find Deal
Wed, Dec 24 - Mon, Dec 29
Delta Logo
3:45 pm - 10:13 pmDEN-HLN
6h 28m1 stop
Delta Logo
5:50 am - 9:14 amHLN-DEN
3h 24m1 stop
$239Delta
Find Deal
Fri, Sep 5 - Wed, Sep 10
Delta Logo
6:25 pm - 10:13 pmDEN-HLN
3h 48m1 stop
Delta Logo
1:00 pm - 7:46 pmHLN-DEN
6h 46m1 stop
$269Delta
Find Deal
Thu, Sep 4 - Tue, Sep 9
United Airlines Logo
7:00 pm - 9:00 pmDEN-HLN
2h 00mnonstop
United Airlines Logo
2:22 pm - 4:31 pmHLN-DEN
2h 09mnonstop
$279United Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
United Airlines Logo
11:30 am - 1:30 pmDEN-HLN
2h 00mnonstop
United Airlines Logo
6:30 am - 8:36 amHLN-DEN
2h 06mnonstop
$280United Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14
United Airlines Logo
7:11 pm - 9:11 pmDEN-HLN
2h 00mnonstop
United Airlines Logo
5:20 pm - 7:26 pmHLN-DEN
2h 06mnonstop
$289United Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
Alaska Airlines Logo
3:00 pm - 5:41 pmDEN-HLN
26h 41m2 stops
Alaska Airlines Logo
6:13 pm - 11:59 pmHLN-DEN
5h 46m1 stop
$299Alaska Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
Logo
2:04 pm - 4:04 pmDEN-HLN
2h 00mnonstop
Logo
4:02 pm - 10:02 pmHLN-DEN
6h 00m1 stop
$522
Find Deal
Fri, Sep 12 - Mon, Sep 15
Logo
7:20 pm - 9:31 pmDEN-HLN
2h 11mnonstop
Logo
6:32 pm - 11:59 pmHLN-DEN
5h 27m1 stop
$671
Find Deal
Tue, Dec 23 - Mon, Dec 29

Alaska Airlines flights from Denver to Helena

Our best Alaska Airlines deals on Denver to Helena flight tickets
Alaska Airlines
Oct 24
DEN6:20 pmDenver Intl
23h 21m
1 stop
HLN5:41 pmHelena
Oct 26
HLN6:13 pmHelena
5h 46m
1 stop
DEN11:59 pmDenver Intl
$218
Find similar
Alaska Airlines
Oct 24
DEN3:00 pmDenver Intl
26h 41m
2 stops
HLN5:41 pmHelena
Oct 26
HLN6:13 pmHelena
5h 46m
1 stop
DEN11:59 pmDenver Intl
$299
Find similar
Alaska Airlines
Oct 24
DEN8:10 amDenver Intl
9h 31m
1 stop
HLN5:41 pmHelena
Oct 26
HLN6:13 pmHelena
5h 46m
1 stop
DEN11:59 pmDenver Intl
$307
Find similar

Delta flights from Denver to Helena

Our best Delta deals on Denver to Helena flight tickets
Delta
Dec 24
DEN6:25 pmDenver Intl
4h 17m
1 stop
HLN10:42 pmHelena
Dec 29
HLN12:50 pmHelena
6h 25m
1 stop
DEN7:15 pmDenver Intl
$229
Find similar
Delta
Sep 5
DEN3:45 pmDenver Intl
6h 28m
1 stop
HLN10:13 pmHelena
Sep 10
HLN5:50 amHelena
3h 24m
1 stop
DEN9:14 amDenver Intl
$239
Find similar
Delta
Sep 4
DEN6:25 pmDenver Intl
3h 48m
1 stop
HLN10:13 pmHelena
Sep 9
HLN1:00 pmHelena
6h 46m
1 stop
DEN7:46 pmDenver Intl
$269
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 August 18, 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

Fri 10/24

6:20 pm-5:41 pm

1 stop23h 21m

Helena

Sun 10/26

6:13 pm-11:59 pm

1 stop5h 46m

$218

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 12/24

6:25 pm-10:42 pm

1 stop4h 17m

Helena

Mon 12/29

12:50 pm-7:15 pm

1 stop6h 25m

$229

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 9/5

3:45 pm-10:13 pm

1 stop6h 28m

Helena

Wed 9/10

5:50 am-9:14 am

1 stop3h 24m

$239

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/4

6:25 pm-10:13 pm

1 stop3h 48m

Helena

Tue 9/9

1:00 pm-7:46 pm

1 stop6h 46m

$269

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 10/24

7:00 pm-9:00 pm

Nonstop2h 00m

Helena

Sun 10/26

2:22 pm-4:31 pm

Nonstop2h 09m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/11

11:30 am-1:30 pm

Nonstop2h 00m

Helena

Sun 9/14

6:30 am-8:36 am

Nonstop2h 06m

$280

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/4

7:11 pm-9:11 pm

Nonstop2h 00m

Helena

Tue 9/9

5:20 pm-7:26 pm

Nonstop2h 06m

$289

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 10/24

3:00 pm-5:41 pm

2 stops26h 41m

Helena

Sun 10/26

6:13 pm-11:59 pm

1 stop5h 46m

$299

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 9/12

2:04 pm-4:04 pm

Nonstop2h 00m

Helena

Mon 9/15

4:02 pm-10:02 pm

1 stop6h 00m

$522

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 12/23

7:20 pm-9:31 pm

Nonstop2h 11m

Helena

Mon 12/29

6:32 pm-11:59 pm

1 stop5h 27m

$671

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $284.

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 $299. The most expensive day to fly to Helena is Sunday, with ticket prices averaging around $597.

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 $379.

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 are 1 cabin classes 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 50% 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 August 2025, prices for Denver to Helena flights are approximately 36% cheaper 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

Best Price Found

$164

Fastest flight time

1h 59m

Direct flights

Mon, Wed, Thu, Fri and Sat

Airports in Helena

1 airport
The best one-way flight to Helena from Denver in the past 72 hours is $164. The best round-trip flight deal from Denver to Helena found on momondo in the last 72 hours is $218.
The fastest flight from Denver to Helena takes 1h 59m
Direct flights go from Denver to Helena on Monday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is United Airlines.
There is 1 airport near Helena: Helena (HLN)
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  • How far is Denver Intl to Helena by plane?

    Helena is 591.1 mi away from Denver Intl. Flights usually cover this in 2h 00m, 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
8,925 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 $341, with the best United Airlines deals starting from $209 round-trip. 8,925 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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