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Cheap flights from Denver to Helena from $140

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 10/30. 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
7:15 pm - 9:22 pmDEN-HLN
2h 07mnonstop
United Airlines Logo
2:22 pm - 4:31 pmHLN-DEN
2h 09mnonstop
$229United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
Alaska Airlines Logo
8:02 pm - 5:36 pmDEN-HLN
21h 34m1 stop
Alaska Airlines Logo
6:13 pm - 2:41 pmHLN-DEN
20h 28m1 stop
$231Alaska Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
Alaska Airlines Logo
8:02 pm - 5:36 pmDEN-HLN
21h 34m1 stop
Alaska Airlines Logo
6:13 pm - 10:35 amHLN-DEN
16h 22m2 stops
$237Alaska Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
Delta Logo
3:41 pm - 10:16 pmDEN-HLN
6h 35m1 stop
Delta Logo
1:00 pm - 7:01 pmHLN-DEN
6h 01m1 stop
$249Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
Alaska Airlines Logo
7:04 pm - 5:36 pmDEN-HLN
22h 32m2 stops
Alaska Airlines Logo
6:13 pm - 11:59 pmHLN-DEN
5h 46m1 stop
$251Alaska Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 13
Alaska Airlines Logo
7:00 am - 5:36 pmDEN-HLN
10h 36m1 stop
Alaska Airlines Logo
6:13 pm - 11:59 pmHLN-DEN
5h 46m1 stop
$253Alaska Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 13
United Airlines Logo
7:15 pm - 9:22 pmDEN-HLN
2h 07mnonstop
United Airlines Logo
2:22 pm - 4:31 pmHLN-DEN
2h 09mnonstop
$279United Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
7:15 pm - 9:22 pmDEN-HLN
2h 07mnonstop
United Airlines Logo
6:40 am - 8:49 amHLN-DEN
2h 09mnonstop
$284United Airlines
Find Deal
Mon, Nov 24 - Fri, Nov 28
Delta Logo
7:05 am - 12:26 pmDEN-HLN
5h 21m1 stop
Delta Logo
5:30 am - 9:23 amHLN-DEN
3h 53m1 stop
$334Delta
Find Deal
Thu, Nov 20 - Thu, Nov 27
Delta Logo
3:54 pm - 10:30 pmDEN-HLN
6h 36m1 stop
Delta Logo
5:30 am - 9:23 amHLN-DEN
3h 53m1 stop
$374Delta
Find Deal
Sat, Nov 22 - Fri, Nov 28

Alaska Airlines flights from Denver to Helena

Our best Alaska Airlines deals on Denver to Helena flight tickets
Alaska Airlines
Nov 14
DEN8:02 pmDenver Intl
21h 34m
1 stop
HLN5:36 pmHelena
Nov 18
HLN6:13 pmHelena
20h 28m
1 stop
DEN2:41 pmDenver Intl
$231
Find similar
Alaska Airlines
Nov 14
DEN8:02 pmDenver Intl
21h 34m
1 stop
HLN5:36 pmHelena
Nov 18
HLN6:13 pmHelena
16h 22m
2 stops
DEN10:35 amDenver Intl
$237
Find similar
Alaska Airlines
Oct 27
DEN8:02 pmDenver Intl
21h 34m
1 stop
HLN5:36 pmHelena
Nov 3
HLN6:13 pmHelena
5h 46m
1 stop
DEN11:59 pmDenver Intl
$248
Find similar

United Airlines flights from Denver to Helena

Our best United Airlines deals on Denver to Helena flight tickets
United Airlines
Nov 4
DEN7:15 pmDenver Intl
2h 07m
HLN9:22 pmHelena
Nov 8
HLN2:22 pmHelena
2h 09m
DEN4:31 pmDenver Intl
$229
Find similar
United Airlines
Oct 27
DEN7:15 pmDenver Intl
2h 07m
HLN9:22 pmHelena
Nov 3
HLN2:22 pmHelena
2h 09m
DEN4:31 pmDenver Intl
$259
Find similar
United Airlines
Nov 11
DEN7:15 pmDenver Intl
2h 07m
HLN9:22 pmHelena
Nov 15
HLN2:22 pmHelena
2h 09m
DEN4:31 pmDenver Intl
$279
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 October 22, 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

Tue 11/4

7:15 pm-9:22 pm

Nonstop2h 07m

Helena

Sat 11/8

2:22 pm-4:31 pm

Nonstop2h 09m

$229

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 11/14

8:02 pm-5:36 pm

1 stop21h 34m

Helena

Tue 11/18

6:13 pm-2:41 pm

1 stop20h 28m

$231

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 11/14

8:02 pm-5:36 pm

1 stop21h 34m

Helena

Tue 11/18

6:13 pm-10:35 am

2 stops16h 22m

$237

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 11/4

3:41 pm-10:16 pm

1 stop6h 35m

Helena

Sat 11/8

1:00 pm-7:01 pm

1 stop6h 01m

$249

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 11/11

7:04 pm-5:36 pm

2 stops22h 32m

Helena

Thu 11/13

6:13 pm-11:59 pm

1 stop5h 46m

$251

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 11/11

7:00 am-5:36 pm

1 stop10h 36m

Helena

Thu 11/13

6:13 pm-11:59 pm

1 stop5h 46m

$253

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 11/11

7:15 pm-9:22 pm

Nonstop2h 07m

Helena

Sat 11/15

2:22 pm-4:31 pm

Nonstop2h 09m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Mon 11/24

7:15 pm-9:22 pm

Nonstop2h 07m

Helena

Fri 11/28

6:40 am-8:49 am

Nonstop2h 09m

$284

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 11/20

7:05 am-12:26 pm

1 stop5h 21m

Helena

Thu 11/27

5:30 am-9:23 am

1 stop3h 53m

$334

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 11/22

3:54 pm-10:30 pm

1 stop6h 36m

Helena

Fri 11/28

5:30 am-9:23 am

1 stop3h 53m

$374

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 $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 Monday, with ticket prices averaging around $534.

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?

No. A direct flight is the cheapest option for a flight between Denver to Helena.

How have Denver to Helena flight prices changed over time?

As of October 2025, prices for Denver to Helena flights are approximately 63% 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

$278

Fastest flight time

2h 07m

Direct flights

Every day

Airports in Helena

1 airport
The best flight deal from Denver to Helena found on momondo in the last 72 hours is $278
The fastest flight from Denver to Helena takes 2h 07m
Direct flights go from Denver to Helena every day.
There is 1 airport near Helena: 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 07m, 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
8,990 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Helena

    Across 16 United Airlines flights from Denver to Helena this week, the average price was $318, with the best United Airlines deals starting from $209 round-trip. 8,990 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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Fri 11/21
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