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Cheap flights from Denver to Helena from $110

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 2/6. 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
11:30 am - 1:38 pm
DEN
-
HLN
2h 08mnonstop
United Airlines Logo
2:30 pm - 4:38 pm
HLN
-
DEN
2h 08mnonstop
$209United Airlines
jue., mar. 19 - lun., mar. 23
United Airlines Logo
11:32 am - 1:40 pm
DEN
-
HLN
2h 08mnonstop
United Airlines Logo
2:25 pm - 4:33 pm
HLN
-
DEN
2h 08mnonstop
$220United Airlines
sáb., feb. 14 - mar., feb. 17
Alaska Airlines Logo
7:00 am - 6:11 pm
DEN
-
HLN
11h 11m
1 stop
Alaska Airlines Logo
6:48 pm - 12:38 pm
HLN
-
DEN
17h 50m
1 stop
$229Alaska Airlines
mié., ene. 28 - dom., feb. 1
Delta Logo
5:30 am - 12:24 pm
DEN
-
HLN
6h 54m
1 stop
Delta Logo
12:50 pm - 7:10 pm
HLN
-
DEN
6h 20m
1 stop
$249Delta
mié., abr. 22 - sáb., may. 23
Alaska Airlines Logo
7:00 am - 3:59 pm
DEN
-
HLN
8h 59m
1 stop
Alaska Airlines Logo
4:36 pm - 5:20 pm
HLN
-
DEN
24h 44m
1 stop
$256Alaska Airlines
dom., feb. 15 - mié., feb. 18
Alaska Airlines Logo
11:38 am - 3:59 pm
DEN
-
HLN
28h 21m
2 stops
Alaska Airlines Logo
4:36 pm - 11:59 pm
HLN
-
DEN
7h 23m
1 stop
$261Alaska Airlines
vie., mar. 6 - dom., mar. 8
Alaska Airlines Logo
11:50 am - 5:45 pm
DEN
-
HLN
5h 55m
1 stop
Alaska Airlines Logo
4:43 pm - 11:59 pm
HLN
-
DEN
7h 16m
1 stop
$264Alaska Airlines
mié., abr. 22 - mar., may. 26
Delta Logo
5:15 am - 12:27 pm
DEN
-
HLN
7h 12m
1 stop
Delta Logo
1:10 pm - 8:07 pm
HLN
-
DEN
6h 57m
1 stop
$269Delta
jue., ene. 29 - mar., feb. 3
United Airlines Logo
11:36 am - 1:39 pm
DEN
-
HLN
2h 03mnonstop
United Airlines Logo
5:20 pm - 7:29 pm
HLN
-
DEN
2h 09mnonstop
$279United Airlines
mié., abr. 22 - dom., may. 24
Delta Logo
3:59 pm - 10:27 pm
DEN
-
HLN
6h 28m
1 stop
Delta Logo
5:30 am - 9:24 am
HLN
-
DEN
3h 54m
1 stop
$284Delta
vie., feb. 20 - lun., feb. 23

Delta flights from Denver to Helena

Our best Delta deals on Denver to Helena flight tickets
Delta
Apr 22
DEN5:30 amDenver Intl
6h 54m
1 stop
HLN12:24 pmHelena
May 23
HLN12:50 pmHelena
6h 20m
1 stop
DEN7:10 pmDenver Intl
$249
Delta
Jan 29
DEN5:15 amDenver Intl
7h 12m
1 stop
HLN12:27 pmHelena
Feb 2
HLN1:10 pmHelena
6h 19m
1 stop
DEN7:29 pmDenver Intl
$269
Delta
Feb 20
DEN3:59 pmDenver Intl
6h 28m
1 stop
HLN10:27 pmHelena
Feb 23
HLN5:30 amHelena
3h 54m
1 stop
DEN9:24 amDenver Intl
$284

United Airlines flights from Denver to Helena

Our best United Airlines deals on Denver to Helena flight tickets
United Airlines
Mar 19
DEN7:18 pmDenver Intl
2h 07m
HLN9:25 pmHelena
Mar 22
HLN2:30 pmHelena
2h 08m
DEN4:38 pmDenver Intl
$209
United Airlines
Feb 14
DEN11:32 amDenver Intl
2h 08m
HLN1:40 pmHelena
Feb 17
HLN2:25 pmHelena
2h 08m
DEN4:33 pmDenver Intl
$220
United Airlines
Apr 22
DEN11:36 amDenver Intl
2h 03m
HLN1:39 pmHelena
May 24
HLN5:20 pmHelena
2h 09m
DEN7:29 pmDenver Intl
$279

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 enero 13, 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

jue. 3/19

11:30 am-1:38 pm

Nonstop2h 08m

Helena

lun. 3/23

2:30 pm-4:38 pm

Nonstop2h 08m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

sáb. 2/14

11:32 am-1:40 pm

Nonstop2h 08m

Helena

mar. 2/17

2:25 pm-4:33 pm

Nonstop2h 08m

$220

DenverHelena

DEN - HLN

DENHLN

Denver Intl

mié. 1/28

7:00 am-6:11 pm

1 stop11h 11m

Helena

dom. 2/1

6:48 pm-12:38 pm

1 stop17h 50m

$229

DenverHelena

DEN - HLN

DENHLN

Denver Intl

mié. 4/22

5:30 am-12:24 pm

1 stop6h 54m

Helena

sáb. 5/23

12:50 pm-7:10 pm

1 stop6h 20m

$249

DenverHelena

DEN - HLN

DENHLN

Denver Intl

dom. 2/15

7:00 am-3:59 pm

1 stop8h 59m

Helena

mié. 2/18

4:36 pm-5:20 pm

1 stop24h 44m

$256

DenverHelena

DEN - HLN

DENHLN

Denver Intl

vie. 3/6

11:38 am-3:59 pm

2 stops28h 21m

Helena

dom. 3/8

4:36 pm-11:59 pm

1 stop7h 23m

$261

DenverHelena

DEN - HLN

DENHLN

Denver Intl

mié. 4/22

11:50 am-5:45 pm

1 stop5h 55m

Helena

mar. 5/26

4:43 pm-11:59 pm

1 stop7h 16m

$264

DenverHelena

DEN - HLN

DENHLN

Denver Intl

jue. 1/29

5:15 am-12:27 pm

1 stop7h 12m

Helena

mar. 2/3

1:10 pm-8:07 pm

1 stop6h 57m

$269

DenverHelena

DEN - HLN

DENHLN

Denver Intl

mié. 4/22

11:36 am-1:39 pm

Nonstop2h 03m

Helena

dom. 5/24

5:20 pm-7:29 pm

Nonstop2h 09m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

vie. 2/20

3:59 pm-10:27 pm

1 stop6h 28m

Helena

lun. 2/23

5:30 am-9:24 am

1 stop3h 54m

$284

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 Sunday, with ticket prices averaging around $473.

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 at noon. momondo users have found flights departing from Denver to Helena at noon 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 $329.

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 4% 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 January 2026, prices for Denver to Helena flights are approximately 56% 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

Fastest flight time

1h 52m

Direct flights

Every day

Airports in Helena

1 airport
The fastest flight from Denver to Helena takes 1h 52m
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

  • How far is Denver Intl to Helena by plane?

    Helena is 591.1 mi away from Denver Intl. Flights usually cover this in 1h 52m, 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
9,156 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 $313, with the best United Airlines deals starting from $209 round-trip. 9,156 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
jue. 2/12
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