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Cheap flights from Denver to Helena from $150

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 6/9. 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
2:25 pm - 4:34 pm
HLN
-
DEN
2h 09mnonstop
$209United Airlines
Sun, Mar 22 - Sun, Mar 29
United Airlines Logo
11:30 am - 1:38 pm
DEN
-
HLN
2h 08mnonstop
United Airlines Logo
2:30 pm - 4:38 pm
HLN
-
DEN
2h 08mnonstop
$229United Airlines
Fri, Mar 13 - Wed, Mar 18
Alaska Airlines Logo
7:24 pm - 5:45 pm
DEN
-
HLN
22h 21m
1 stop
Alaska Airlines Logo
6:22 pm - 11:56 pm
HLN
-
DEN
5h 34m
1 stop
$249Alaska Airlines
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
11:35 am - 1:38 pm
DEN
-
HLN
2h 03mnonstop
United Airlines Logo
2:30 pm - 4:39 pm
HLN
-
DEN
2h 09mnonstop
$251United Airlines
Fri, May 1 - Mon, May 4
Delta Logo
5:30 am - 12:25 pm
DEN
-
HLN
6h 55m
1 stop
Delta Logo
5:30 am - 9:28 am
HLN
-
DEN
3h 58m
1 stop
$269Delta
Sat, Mar 7 - Wed, Mar 11
United Airlines Logo
7:18 pm - 9:25 pm
DEN
-
HLN
2h 07mnonstop
United Airlines Logo
2:25 pm - 4:34 pm
HLN
-
DEN
2h 09mnonstop
$279United Airlines
Thu, Mar 26 - Sun, Mar 29
Delta Logo
5:40 am - 12:20 pm
DEN
-
HLN
6h 40m
1 stop
Delta Logo
5:45 am - 9:37 am
HLN
-
DEN
3h 52m
1 stop
$284Delta
Thu, Jun 4 - Sun, Jun 7
Alaska Airlines Logo
7:00 am - 5:45 pm
DEN
-
HLN
10h 45m
1 stop
Alaska Airlines Logo
6:22 pm - 11:56 pm
HLN
-
DEN
5h 34m
1 stop
$294Alaska Airlines
Fri, Apr 10 - Mon, Apr 13
United Airlines Logo
11:30 am - 1:38 pm
DEN
-
HLN
2h 08mnonstop
United Airlines Logo
6:15 am - 8:23 am
HLN
-
DEN
2h 08mnonstop
$299United Airlines
Fri, Mar 13 - Wed, Mar 18
Alaska Airlines Logo
7:00 am - 3:59 pm
DEN
-
HLN
8h 59m
1 stop
Alaska Airlines Logo
4:36 pm - 11:59 pm
HLN
-
DEN
7h 23m
1 stop
$304Alaska Airlines
Mon, Mar 9 - Fri, Mar 13

Delta flights from Denver to Helena

Our best Delta deals on Denver to Helena flight tickets
Delta
Mar 7
DEN5:30 amDenver Intl
6h 55m
1 stop
HLN12:25 pmHelena
Mar 11
HLN5:30 amHelena
3h 58m
1 stop
DEN9:28 amDenver Intl
$269
Delta
Jun 4
DEN5:40 amDenver Intl
6h 40m
1 stop
HLN12:20 pmHelena
Jun 7
HLN5:45 amHelena
3h 52m
1 stop
DEN9:37 amDenver Intl
$284
Delta
Jun 5
DEN7:55 amDenver Intl
4h 28m
1 stop
HLN12:23 pmHelena
Jun 7
HLN5:45 amHelena
3h 52m
1 stop
DEN9:37 amDenver Intl
$314

Alaska Airlines flights from Denver to Helena

Our best Alaska Airlines deals on Denver to Helena flight tickets
Alaska Airlines
Mar 24
DEN7:24 pmDenver Intl
22h 21m
1 stop
HLN5:45 pmHelena
Mar 31
HLN6:22 pmHelena
5h 34m
1 stop
DEN11:56 pmDenver Intl
$249
Alaska Airlines
Apr 10
DEN7:00 amDenver Intl
10h 45m
1 stop
HLN5:45 pmHelena
Apr 13
HLN6:22 pmHelena
5h 34m
1 stop
DEN11:56 pmDenver Intl
$294
Alaska Airlines
Mar 9
DEN7:00 amDenver Intl
8h 59m
1 stop
HLN3:59 pmHelena
Mar 13
HLN4:36 pmHelena
7h 23m
1 stop
DEN11:59 pmDenver Intl
$304

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 February 24, 2026.
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

Sun 3/22

7:18 pm-9:25 pm

Nonstop2h 07m

Helena

Sun 3/29

2:25 pm-4:34 pm

Nonstop2h 09m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 3/13

11:30 am-1:38 pm

Nonstop2h 08m

Helena

Wed 3/18

2:30 pm-4:38 pm

Nonstop2h 08m

$229

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 3/24

7:24 pm-5:45 pm

1 stop22h 21m

Helena

Tue 3/31

6:22 pm-11:56 pm

1 stop5h 34m

$249

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 5/1

11:35 am-1:38 pm

Nonstop2h 03m

Helena

Mon 5/4

2:30 pm-4:39 pm

Nonstop2h 09m

$251

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 3/7

5:30 am-12:25 pm

1 stop6h 55m

Helena

Wed 3/11

5:30 am-9:28 am

1 stop3h 58m

$269

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 3/26

7:18 pm-9:25 pm

Nonstop2h 07m

Helena

Sun 3/29

2:25 pm-4:34 pm

Nonstop2h 09m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 6/4

5:40 am-12:20 pm

1 stop6h 40m

Helena

Sun 6/7

5:45 am-9:37 am

1 stop3h 52m

$284

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 4/10

7:00 am-5:45 pm

1 stop10h 45m

Helena

Mon 4/13

6:22 pm-11:56 pm

1 stop5h 34m

$294

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 3/13

11:30 am-1:38 pm

Nonstop2h 08m

Helena

Wed 3/18

6:15 am-8:23 am

Nonstop2h 08m

$299

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Mon 3/9

7:00 am-3:59 pm

1 stop8h 59m

Helena

Fri 3/13

4:36 pm-11:59 pm

1 stop7h 23m

$304

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 $279.

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

The cheapest day to depart from Denver to Helena is on a Friday. Travelers who choose to depart for Helena on a Friday will often find tickets for as low as $284. The most expensive day to fly to Helena is Tuesday, with ticket prices averaging around $407.

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 morning. momondo users have found flights departing from Denver to Helena in the morning for as low as $293. 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 $319.

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 2% 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 February 2026, prices for Denver to Helena flights are approximately 2% 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

Best Price Found

$209

Fastest flight time

2h 03m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Helena

1 airport
The best flight deal from Denver to Helena found on momondo in the last 72 hours is $209
The fastest flight from Denver to Helena takes 2h 03m
Direct flights go from Denver to Helena on Monday, Tuesday, Wednesday, 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
9,344 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Helena

    Across 14 United Airlines flights from Denver to Helena this week, the average price was $310, with the best United Airlines deals starting from $209 round-trip. 9,344 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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