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Cheap flights from Denver to Helena from $155

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 8/26. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:42 am - 1:45 pm
DEN
-
HLN
2h 03mnonstop
United Airlines Logo
6:15 am - 8:25 am
HLN
-
DEN
2h 10mnonstop
$279United Airlines
Fri, Aug 21 - Sun, Aug 23
United Airlines Logo
7:18 pm - 9:18 pm
DEN
-
HLN
2h 00mnonstop
United Airlines Logo
2:30 pm - 4:40 pm
HLN
-
DEN
2h 10mnonstop
$279United Airlines
Fri, Oct 2 - Tue, Oct 6
United Airlines Logo
11:42 am - 1:45 pm
DEN
-
HLN
2h 03mnonstop
United Airlines Logo
6:15 am - 8:25 am
HLN
-
DEN
2h 10mnonstop
$279United Airlines
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
7:20 pm - 9:31 pm
DEN
-
HLN
2h 11mnonstop
United Airlines Logo
6:28 am - 8:39 am
HLN
-
DEN
2h 11mnonstop
$279United Airlines
Sat, Nov 14 - Sat, Nov 21
United Airlines Logo
11:42 am - 1:45 pm
DEN
-
HLN
2h 03mnonstop
United Airlines Logo
2:35 pm - 4:45 pm
HLN
-
DEN
2h 10mnonstop
$279United Airlines
Tue, Aug 25 - Tue, Sep 1
United Airlines Logo
7:30 pm - 9:30 pm
DEN
-
HLN
2h 00mnonstop
United Airlines Logo
6:15 am - 8:25 am
HLN
-
DEN
2h 10mnonstop
$279United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
7:20 pm - 9:31 pm
DEN
-
HLN
2h 11mnonstop
United Airlines Logo
6:28 am - 8:39 am
HLN
-
DEN
2h 11mnonstop
$279United Airlines
Thu, Oct 29 - Thu, Nov 5
Delta Logo
6:28 pm - 10:30 pm
DEN
-
HLN
4h 02m
1 stop
Delta Logo
5:40 am - 9:14 am
HLN
-
DEN
3h 34m
1 stop
$299Delta
Sat, Aug 22 - Sun, Aug 23
Delta Logo
8:05 am - 12:17 pm
DEN
-
HLN
4h 12m
1 stop
Delta Logo
1:08 pm - 7:34 pm
HLN
-
DEN
6h 26m
1 stop
$299Delta
Fri, Oct 2 - Tue, Oct 6
United Airlines Logo
7:18 pm - 9:18 pm
DEN
-
HLN
2h 00mnonstop
United Airlines Logo
6:25 am - 8:35 am
HLN
-
DEN
2h 10mnonstop
$299United Airlines
Fri, Oct 2 - Tue, Oct 6

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United Airlines flights from Denver to Helena

Our best United Airlines deals on Denver to Helena flight tickets
United Airlines
Sep 3
DEN7:30 pmDenver Intl
2h 00m
HLN9:30 pmHelena
Sep 7
HLN6:15 amHelena
2h 10m
DEN8:25 amDenver Intl
$279
United Airlines
Oct 2
DEN7:18 pmDenver Intl
2h 00m
HLN9:18 pmHelena
Oct 6
HLN6:25 amHelena
2h 10m
DEN8:35 amDenver Intl
$299
United Airlines
Aug 8
DEN7:18 pmDenver Intl
2h 02m
HLN9:20 pmHelena
Aug 22
HLN2:35 pmHelena
2h 10m
DEN4:45 pmDenver Intl
$334

Delta flights from Denver to Helena

Our best Delta deals on Denver to Helena flight tickets
Delta
Aug 20
DEN5:35 amDenver Intl
6h 40m
1 stop
HLN12:15 pmHelena
Aug 24
HLN5:40 amHelena
3h 34m
1 stop
DEN9:14 amDenver Intl
$319
Delta
Aug 12
DEN6:28 pmDenver Intl
4h 02m
1 stop
HLN10:30 pmHelena
Aug 16
HLN5:40 amHelena
3h 34m
1 stop
DEN9:14 amDenver Intl
$339
Delta
Oct 16
DEN5:20 amDenver Intl
7h 08m
1 stop
HLN12:28 pmHelena
Oct 18
HLN1:08 pmHelena
3h 48m
1 stop
DEN4:56 pmDenver Intl
$349

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 July 30, 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

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/21

11:42 am-1:45 pm

Nonstop2h 03m

Helena

Sun 8/23

6:15 am-8:25 am

Nonstop2h 10m

$279
Quickest round-trip

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 10/2

7:18 pm-9:18 pm

Nonstop2h 00m

Helena

Tue 10/6

2:30 pm-4:40 pm

Nonstop2h 10m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Mon 8/24

11:42 am-1:45 pm

Nonstop2h 03m

Helena

Mon 8/31

6:15 am-8:25 am

Nonstop2h 10m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 11/14

7:20 pm-9:31 pm

Nonstop2h 11m

Helena

Sat 11/21

6:28 am-8:39 am

Nonstop2h 11m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 8/25

11:42 am-1:45 pm

Nonstop2h 03m

Helena

Tue 9/1

2:35 pm-4:45 pm

Nonstop2h 10m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/3

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Mon 9/7

6:15 am-8:25 am

Nonstop2h 10m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 10/29

7:20 pm-9:31 pm

Nonstop2h 11m

Helena

Thu 11/5

6:28 am-8:39 am

Nonstop2h 11m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 8/22

6:28 pm-10:30 pm

1 stop4h 02m

Helena

Sun 8/23

5:40 am-9:14 am

1 stop3h 34m

$299

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 10/2

8:05 am-12:17 pm

1 stop4h 12m

Helena

Tue 10/6

1:08 pm-7:34 pm

1 stop6h 26m

$299

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 10/2

7:18 pm-9:18 pm

Nonstop2h 00m

Helena

Tue 10/6

6:25 am-8:35 am

Nonstop2h 10m

$299

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 $357.
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

$329

Fastest flight time

2h 00m

Direct flights

Tue, Wed, Thu, 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 $329
The fastest flight from Denver to Helena takes 2h 00m
Direct flights go from Denver to Helena on Tuesday, 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

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
10,046 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 $327, with the best United Airlines deals starting from $209 round-trip. 10,046 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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1 adult
Sat 8/29
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