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Cheap flights from Denver to Helena from $179

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 10/9. 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
1 adult, Economy, 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
7:30 pm - 9:30 pmDEN  Denver Intl-HLN Helena
2h 00mnonstop
United Airlines Logo
6:15 am - 8:25 amHLN  Helena-DEN Denver Intl
2h 10mnonstop
$279United Airlines
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
11:42 am - 1:45 pmDEN  Denver Intl-HLN Helena
2h 03mnonstop
United Airlines Logo
2:26 pm - 4:36 pmHLN  Helena-DEN Denver Intl
2h 10mnonstop
$279United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
7:30 pm - 9:30 pmDEN  Denver Intl-HLN Helena
2h 00mnonstop
United Airlines Logo
6:25 am - 8:35 amHLN  Helena-DEN Denver Intl
2h 10mnonstop
$279United Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
7:18 pm - 9:18 pmDEN  Denver Intl-HLN Helena
2h 00mnonstop
United Airlines Logo
6:25 am - 8:35 amHLN  Helena-DEN Denver Intl
2h 10mnonstop
$279United Airlines
Sun, Sep 27 - Sat, Oct 3
United Airlines Logo
7:18 pm - 9:18 pmDEN  Denver Intl-HLN Helena
2h 00mnonstop
United Airlines Logo
6:25 am - 8:35 amHLN  Helena-DEN Denver Intl
2h 10mnonstop
$279United Airlines
Sat, Oct 10 - Sat, Oct 17
Delta Logo
6:06 pm - 10:24 pmDEN  Denver Intl-HLN Helena
4h 18m1 stop Salt Lake City
Delta Logo
12:57 pm - 7:40 pmHLN  Helena-DEN Denver Intl
6h 43m1 stop Salt Lake City
$299Delta
Tue, Sep 22 - Tue, Sep 29
Delta Logo
5:25 am - 12:22 pmDEN  Denver Intl-HLN Helena
6h 57m1 stop Salt Lake City
Delta Logo
1:04 pm - 7:36 pmHLN  Helena-DEN Denver Intl
6h 32m1 stop Salt Lake City
$299Delta
Fri, Nov 20 - Sun, Nov 22
Delta Logo
6:28 pm - 10:30 pmDEN  Denver Intl-HLN Helena
4h 02m1 stop Salt Lake City
Delta Logo
12:57 pm - 5:02 pmHLN  Helena-DEN Denver Intl
4h 05m1 stop Salt Lake City
$299Delta
Sat, Sep 5 - Sat, Sep 12
Delta Logo
7:05 am - 12:17 pmDEN  Denver Intl-HLN Helena
5h 12m1 stop Salt Lake City
Delta Logo
12:57 pm - 5:02 pmHLN  Helena-DEN Denver Intl
4h 05m1 stop Salt Lake City
$299Delta
Wed, Sep 9 - Sat, Sep 12
Delta Logo
6:00 pm - 10:29 pmDEN  Denver Intl-HLN Helena
4h 29m1 stop Salt Lake City
Delta Logo
7:15 am - 11:56 amHLN  Helena-DEN Denver Intl
4h 41m1 stop Salt Lake City
$319Delta
Sat, Oct 10 - Sat, Oct 17

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Delta flights from Denver to Helena

Our best Delta deals on Denver to Helena flight tickets
Delta
Sep 5
DEN6:28 pmDenver Intl
4h 02m
1 stop
HLN10:30 pmHelena
Sep 12
HLN12:57 pmHelena
4h 05m
1 stop
DEN5:02 pmDenver Intl
$299
Delta
Oct 2
DEN8:05 amDenver Intl
4h 12m
1 stop
HLN12:17 pmHelena
Oct 6
HLN1:08 pmHelena
6h 26m
1 stop
DEN7:34 pmDenver Intl
$319
Delta
Sep 4
DEN3:56 pmDenver Intl
6h 34m
1 stop
HLN10:30 pmHelena
Sep 11
HLN12:57 pmHelena
4h 05m
1 stop
DEN5:02 pmDenver Intl
$379

Alaska Airlines flights from Denver to Helena

Our best Alaska Airlines deals on Denver to Helena flight tickets
Alaska Airlines
Sep 16
DEN7:13 pmDenver Intl
21h 28m
1 stop
HLN4:41 pmHelena
Sep 23
HLN5:18 pmHelena
6h 01m
1 stop
DEN11:19 pmDenver Intl
$384
Alaska Airlines
Sep 17
DEN8:22 amDenver Intl
8h 19m
1 stop
HLN4:41 pmHelena
Sep 26
HLN5:18 pmHelena
6h 01m
1 stop
DEN11:19 pmDenver Intl
$429
Alaska Airlines
Sep 22
DEN8:22 amDenver Intl
8h 19m
1 stop
HLN4:41 pmHelena
Sep 26
HLN5:18 pmHelena
28h 28m
2 stops
DEN9:46 pmDenver Intl
$437

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 10, 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

Cheapest round-trip
Quickest round-trip

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Sat 9/5

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Sat 9/12

6:15 am-8:25 am

Nonstop2h 10m

$279

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Wed 9/9

11:42 am-1:45 pm

Nonstop2h 03m

Helena

Sat 9/12

2:26 pm-4:36 pm

Nonstop2h 10m

$279

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Tue 9/22

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Tue 9/29

6:25 am-8:35 am

Nonstop2h 10m

$279

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Sun 9/27

7:18 pm-9:18 pm

Nonstop2h 00m

Helena

Sat 10/3

6:25 am-8:35 am

Nonstop2h 10m

$279

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Sat 10/10

7:18 pm-9:18 pm

Nonstop2h 00m

Helena

Sat 10/17

6:25 am-8:35 am

Nonstop2h 10m

$279

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Tue 9/22

6:06 pm-10:24 pm

1 stop4h 18m

Helena

Tue 9/29

12:57 pm-7:40 pm

1 stop6h 43m

$299

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Fri 11/20

5:25 am-12:22 pm

1 stop6h 57m

Helena

Sun 11/22

1:04 pm-7:36 pm

1 stop6h 32m

$299

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Sat 9/5

6:28 pm-10:30 pm

1 stop4h 02m

Helena

Sat 9/12

12:57 pm-5:02 pm

1 stop4h 05m

$299

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Wed 9/9

7:05 am-12:17 pm

1 stop5h 12m

Helena

Sat 9/12

12:57 pm-5:02 pm

1 stop4h 05m

$299

DenverHelena

DEN Denver Intl - HLN Helena

DENHLN

Denver Intl

Sat 10/10

6:00 pm-10:29 pm

1 stop4h 29m

Helena

Sat 10/17

7:15 am-11:56 am

1 stop4h 41m

$319

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 typical price of a round-trip flight between Denver and Helena?

Prices are currently typical for flights on this route.

Typical prices usually range from $269 to $374.
The lowest price recently found on this route was $279.

What is the cheapest month to fly to Helena?

If you aren’t able to travel to Helena during the month of February, then flying in December 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 Monday, with ticket prices averaging around $507.

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 $304. 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 $349.

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 to Helena flights?

There is only 1 cabin class available to choose from on Denver 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 34% on your flight if you consider stops on a Denver to Helena flight.

How have Denver to Helena flight prices changed over time?

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

$273

Fastest flight time

2h 00m

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 $273
The fastest flight from Denver to Helena takes 2h 00m
Direct flights go from Denver to Helena every day.
There is 1 airport in Helena. From Denver there are direct flights to Helena (HLN).
Search flight deals

Frequently asked questions about flying from Denver to Helena

  • 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
10,099 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Helena

    Across 7 United Airlines flights from Denver to Helena this week, the average price was $335, with the best United Airlines deals starting from $209 round-trip. 10,099 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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