Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Helena from $189

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 8/4. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 pm
DEN
-
HLN
2h 00mnonstop
United Airlines Logo
6:15 am - 8:25 am
HLN
-
DEN
2h 10mnonstop
$269United Airlines
Fri, Aug 28 - Sun, Sep 6
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
$283United Airlines
Fri, Aug 14 - Mon, Aug 17
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
$284United Airlines
Fri, Aug 14 - Mon, Aug 17
Delta Logo
3:56 pm - 10:30 pm
DEN
-
HLN
6h 34m
1 stop
Delta Logo
5:40 am - 11:47 am
HLN
-
DEN
6h 07m
1 stop
$289Delta
Fri, Aug 28 - Sun, Sep 6
United Airlines Logo
7:18 pm - 9:20 pm
DEN
-
HLN
2h 02mnonstop
United Airlines Logo
6:15 am - 8:13 am
HLN
-
DEN
1h 58mnonstop
$308United Airlines
Wed, Aug 5 - Mon, Aug 10
Delta Logo
7:00 pm - 10:41 pm
DEN
-
HLN
3h 41m
1 stop
Delta Logo
5:35 am - 9:18 am
HLN
-
DEN
3h 43m
1 stop
$309Delta
Fri, Jun 26 - Sun, Jun 28
Delta Logo
3:55 pm - 10:39 pm
DEN
-
HLN
6h 44m
1 stop
Delta Logo
5:40 am - 9:12 am
HLN
-
DEN
3h 32m
1 stop
$329Delta
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
7:18 pm - 9:20 pm
DEN
-
HLN
2h 02mnonstop
United Airlines Logo
6:15 am - 8:13 am
HLN
-
DEN
1h 58mnonstop
$333United Airlines
Fri, Jul 31 - Mon, Aug 3
United Airlines Logo
7:18 pm - 9:20 pm
DEN
-
HLN
2h 02mnonstop
United Airlines Logo
6:15 am - 8:13 am
HLN
-
DEN
1h 58mnonstop
$343United Airlines
Thu, Jun 18 - Sun, Jun 21
Delta Logo
7:05 am - 12:15 pm
DEN
-
HLN
5h 10m
1 stop
Delta Logo
6:50 am - 11:47 am
HLN
-
DEN
4h 57m
1 stop
$344Delta
Thu, Aug 27 - Sat, Aug 29

United Airlines flights from Denver to Helena

Our best United Airlines deals on Denver to Helena flight tickets
United Airlines
Aug 28
DEN7:30 pmDenver Intl
2h 00m
HLN9:30 pmHelena
Sep 6
HLN6:15 amHelena
2h 10m
DEN8:25 amDenver Intl
$269
United Airlines
Jul 25
DEN7:18 pmDenver Intl
2h 02m
HLN9:20 pmHelena
Jul 29
HLN6:15 amHelena
1h 58m
DEN8:13 amDenver Intl
$283
United Airlines
Aug 14
DEN7:30 pmDenver Intl
2h 00m
HLN9:30 pmHelena
Aug 17
HLN6:15 amHelena
2h 10m
DEN8:25 amDenver Intl
$284

Delta flights from Denver to Helena

Our best Delta deals on Denver to Helena flight tickets
Delta
Aug 14
DEN3:56 pmDenver Intl
6h 34m
1 stop
HLN10:30 pmHelena
Aug 17
HLN5:40 amHelena
3h 39m
1 stop
DEN9:19 amDenver Intl
$289
Delta
Jun 26
DEN7:00 pmDenver Intl
3h 41m
1 stop
HLN10:41 pmHelena
Jun 28
HLN5:35 amHelena
3h 43m
1 stop
DEN9:18 amDenver Intl
$309
Delta
Jun 12
DEN7:00 pmDenver Intl
3h 41m
1 stop
HLN10:41 pmHelena
Jun 16
HLN5:35 amHelena
3h 43m
1 stop
DEN9:18 amDenver Intl
$329

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 June 1, 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 8/28

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Sun 9/6

6:15 am-8:25 am

Nonstop2h 10m

$269

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/14

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Mon 8/17

6:15 am-8:25 am

Nonstop2h 10m

$283

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/14

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Mon 8/17

6:15 am-8:25 am

Nonstop2h 10m

$284

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/28

3:56 pm-10:30 pm

1 stop6h 34m

Helena

Sun 9/6

5:40 am-11:47 am

1 stop6h 07m

$289
Quickest round-trip

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 8/5

7:18 pm-9:20 pm

Nonstop2h 02m

Helena

Mon 8/10

6:15 am-8:13 am

Nonstop1h 58m

$308

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 6/26

7:00 pm-10:41 pm

1 stop3h 41m

Helena

Sun 6/28

5:35 am-9:18 am

1 stop3h 43m

$309

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 7/14

3:55 pm-10:39 pm

1 stop6h 44m

Helena

Tue 7/21

5:40 am-9:12 am

1 stop3h 32m

$329

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 7/31

7:18 pm-9:20 pm

Nonstop2h 02m

Helena

Mon 8/3

6:15 am-8:13 am

Nonstop1h 58m

$333

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 6/18

7:18 pm-9:20 pm

Nonstop2h 02m

Helena

Sun 6/21

6:15 am-8:13 am

Nonstop1h 58m

$343

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 8/27

7:05 am-12:15 pm

1 stop5h 10m

Helena

Sat 8/29

6:50 am-11:47 am

1 stop4h 57m

$344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 September is also cheap. Prices for this month can be found on momondo for an average of $278.

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 at noon. momondo users have found flights departing from Denver to Helena at noon for as low as $299. 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 to Helena flights?

There are 2 cabin classes 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?

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?

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

$211

Fastest flight time

1h 57m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Helena

1 airport
The best one-way flight to Helena from Denver in the past 72 hours is $211. The best round-trip flight deal from Denver to Helena found on momondo in the last 72 hours is $315.
The fastest flight from Denver to Helena takes 1h 57m
Direct flights go from Denver to Helena on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
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 1h 57m, 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
9,768 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 $311, with the best United Airlines deals starting from $209 round-trip. 9,768 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.

An easier way to manage your Helena trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/1
Wed 7/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States