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Helena

$110+ Cheap flights from Denver to Helena (DEN - HLN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HLN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Denver to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$218
(Alaska Airlines)

One-way from

$110
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$348

Good round-trip deal

$209 or less
Provider with most accurate pricing for Denver Intl-Helena flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Helena flights.
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From Denver Intl to Helena
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One-way flight from Denver Intl to Helena
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Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Denver Intl to Helena.
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Find flight deals from Denver to Helena

Cheapest flights from Denver to Helena
Explore the most affordable flight options available from Denver to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:15 pmDEN - HLN
Nonstop2h 07mUnited Airlines
Mon 11/176:40 amHLN - DEN
Nonstop2h 09mUnited Airlines
Deal found 10/29$249
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:34 amDEN - HLN
Nonstop2h 11mUnited Airlines
Mon 12/222:26 pmHLN - DEN
Nonstop2h 10mUnited Airlines
Deal found 10/29$259
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:20 amDEN - HLN
1 stop7h 06mDelta
Sun 11/165:30 amHLN - DEN
1 stop3h 53mDelta
Deal found 10/29$269
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:54 pmDEN - HLN
1 stop6h 36mDelta
Mon 12/221:11 pmHLN - DEN
1 stop6h 02mDelta
Deal found 10/29$274
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:15 pmDEN - HLN
Nonstop2h 07mUnited Airlines
Sat 11/296:40 amHLN - DEN
Nonstop2h 09mUnited Airlines
Deal found 10/29$279
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:20 amDEN - HLN
1 stop7h 06mDelta
Mon 11/175:30 amHLN - DEN
1 stop5h 37mDelta
Deal found 10/29$304
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:30 amDEN - HLN
1 stop6h 55mDelta
Mon 12/221:11 pmHLN - DEN
1 stop6h 02mDelta
Deal found 10/29$319
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:15 pmDEN - HLN
Nonstop2h 07mUnited Airlines
Sun 11/166:40 amHLN - DEN
Nonstop2h 09mUnited Airlines
Deal found 10/27$359
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:54 pmDEN - HLN
1 stop6h 36mDelta
Wed 12/35:30 amHLN - DEN
1 stop5h 39mDelta
Deal found 10/27$374
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amDEN - HLN
1 stop10h 36mAlaska Airlines
Mon 11/36:13 pmHLN - DEN
1 stop5h 46mAlaska Airlines
Deal found 10/29$378
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:41 pmDEN - HLN
1 stop6h 35mDelta
Sat 11/81:00 pmHLN - DEN
1 stop6h 01mDelta
Deal found 10/29$399

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Denver to Helena that are best for you.

Fly from

Denver

Fly to

Helena

Route

Depart

Return

Price

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 4/24

7:05 am-12:23 pm

1 stop5h 18m

Helena

Sat 4/25

5:45 am-11:54 am

1 stop6h 09m

$229

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 11/13

11:20 am-1:27 pm

Nonstop2h 07m

Helena

Mon 11/17

2:22 pm-4:31 pm

Nonstop2h 09m

$249

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 11/14

7:15 pm-9:22 pm

Nonstop2h 07m

Helena

Mon 11/17

6:40 am-8:49 am

Nonstop2h 09m

$249

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 11/14

5:20 am-12:26 pm

1 stop7h 06m

Helena

Sun 11/16

5:30 am-9:23 am

1 stop3h 53m

$269

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 1/6

6:00 am-5:55 pm

2 stops11h 55m

Helena

Wed 1/7

5:59 pm-11:36 pm

1 stop5h 37m

$271

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 12/18

3:54 pm-10:30 pm

1 stop6h 36m

Helena

Mon 12/22

1:11 pm-7:13 pm

1 stop6h 02m

$274

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 11/26

7:15 pm-9:22 pm

Nonstop2h 07m

Helena

Sat 11/29

6:40 am-8:49 am

Nonstop2h 09m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 11/12

11:20 am-1:27 pm

Nonstop2h 07m

Helena

Wed 11/19

2:22 pm-4:31 pm

Nonstop2h 09m

$284

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 11/14

5:20 am-12:26 pm

1 stop7h 06m

Helena

Mon 11/17

5:30 am-11:07 am

1 stop5h 37m

$304

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 11/13

5:20 am-12:26 pm

1 stop7h 06m

Helena

Mon 11/17

5:30 am-11:07 am

1 stop5h 37m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 17 results
1
2

Compare providers for flights from Denver to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Helena in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Helena flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Helena flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Helena flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Helena

What is the cheapest month to book a flight from Denver to Helena?

Currently, October is the cheapest month in which you can book a flight from Denver to Helena (average of $113). Flying from Denver to Helena in February is currently the most expensive (average of $211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to HLN?

Find hourly flight availability from Denver to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Denver to Helena by exploring options for tickets in the afternoon.

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown United Airlines from Denver to Helena. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Denver to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Helena?

    Booking a flight from Denver Intl (DEN) to Helena (HLN) is your only option if you wish to fly from Denver to Helena. On a typical day, there is 1 flight from Denver Intl to Helena, all of which are around 1h 52m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Denver Intl to Helena.

  • How long is the flight from Denver to Helena?

    Delta and United Airlines can get you from Denver to Helena in just under 2h 07m. Your travel time can differ by up to 3h 11m. Airlines will cover a distance of 593 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Denver to Helena round-trip?

    According to our current data, United Airlines ($209), offers the cheapest pricing from Denver to Helena. United Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Denver to Helena?

    Looking at all options, your cheapest flight can be booked for $209. While the most popular route (Denver Intl - Helena) can be booked for $229 on average, our data indicates $249 when flying from Denver to Helena.

  • Can I find deals for flights from Denver to Helena that include hotel bookings?

    Yes. In addition to deals on Denver to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Helena.

  • Can I find deals for business class flights from Denver to Helena?

    Yes. Cheapflights offers flight deals from Denver to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Helena?

    Currently, October is the cheapest month in which you can book a flight from Denver to Helena (average of $113). Flying from Denver to Helena in February is currently the most expensive (average of $211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Denver to Helena

Discover the top airline that operate flights from Denver to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$314FlexibilityNo cancel feeOn-time69%

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