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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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HLN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$208
(Alaska Airlines)

One-way from

$110
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$343

Good round-trip deal

$219 or less
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. 7% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 11/57:00 amDEN - HLN
1 stop10h 36mAlaska Airlines
Wed 11/126:13 pmHLN - DEN
1 stop5h 46mAlaska Airlines
Deal found 9/10$208
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/212:10 pmDEN - HLN
Nonstop1h 59mUnited Airlines
Sun 10/126:30 amHLN - DEN
Nonstop2h 07mUnited Airlines
Deal found 9/9$209
This Delta deal was found by Cheapflights users on 9/9. 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 10/25:45 amDEN - HLN
1 stop6h 35mDelta
Sun 10/125:45 amHLN - DEN
1 stop3h 44mDelta
Deal found 9/9$219
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/262:40 pmDEN - HLN
Nonstop2h 00mUnited Airlines
Tue 9/302:44 pmHLN - DEN
Nonstop2h 04mUnited Airlines
Deal found 9/11$229
This Delta deal was found by Cheapflights users on 9/11. 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 10/245:30 amDEN - HLN
1 stop6h 50mDelta
Tue 10/285:45 amHLN - DEN
1 stop3h 44mDelta
Deal found 9/11$234
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/247:00 pmDEN - HLN
Nonstop2h 00mUnited Airlines
Tue 10/282:22 pmHLN - DEN
Nonstop2h 09mUnited Airlines
Deal found 9/11$238
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/1811:30 amDEN - HLN
Nonstop2h 00mUnited Airlines
Mon 9/225:20 pmHLN - DEN
Nonstop2h 06mUnited Airlines
Deal found 9/8$259
This Delta deal was found by Cheapflights users on 9/10. 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 9/185:45 amDEN - HLN
1 stop6h 35mDelta
Sun 9/215:45 amHLN - DEN
1 stop3h 33mDelta
Deal found 9/10$279
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/22:40 pmDEN - HLN
Nonstop2h 00mUnited Airlines
Sun 10/55:18 pmHLN - DEN
Nonstop2h 07mUnited Airlines
Deal found 9/9$280
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/182:04 pmDEN - HLN
Nonstop2h 00mUnited Airlines
Sun 9/215:20 pmHLN - DEN
Nonstop2h 06mUnited Airlines
Deal found 9/11$289
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/257:00 pmDEN - HLN
Nonstop2h 00mUnited Airlines
Mon 9/295:18 pmHLN - DEN
Nonstop2h 07mUnited Airlines
Deal found 9/9$299

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 September 11, 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

Wed 11/5

7:00 am-5:36 pm

1 stop10h 36m

Helena

Wed 11/12

6:13 pm-11:59 pm

1 stop5h 46m

$208

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 10/21

3:41 pm-10:16 pm

1 stop6h 35m

Helena

Wed 10/22

5:45 am-11:47 am

1 stop6h 02m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 10/2

12:10 pm-2:09 pm

Nonstop1h 59m

Helena

Sun 10/12

6:30 am-8:37 am

Nonstop2h 07m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 9/26

2:40 pm-4:40 pm

Nonstop2h 00m

Helena

Tue 9/30

2:44 pm-4:48 pm

Nonstop2h 04m

$229

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/18

11:30 am-1:30 pm

Nonstop2h 00m

Helena

Mon 9/22

5:20 pm-7:26 pm

Nonstop2h 06m

$259

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/18

5:45 am-12:20 pm

1 stop6h 35m

Helena

Sat 9/20

1:00 pm-7:18 pm

1 stop6h 18m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 10/24

7:00 pm-9:00 pm

Nonstop2h 00m

Helena

Sun 10/26

2:22 pm-4:31 pm

Nonstop2h 09m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 10/2

2:40 pm-4:40 pm

Nonstop2h 00m

Helena

Sun 10/5

5:18 pm-7:25 pm

Nonstop2h 07m

$280

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/18

11:30 am-1:30 pm

Nonstop2h 00m

Helena

Sat 9/20

6:30 am-8:36 am

Nonstop2h 06m

$289

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/18

2:04 pm-4:04 pm

Nonstop2h 00m

Helena

Sun 9/21

6:30 am-8:36 am

Nonstop2h 06m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 results
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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, February is the cheapest month in which you can book a flight from Denver to Helena (average of $353). Flying from Denver to Helena in May is currently the most expensive (average of $517). 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 September 11, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 25% 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 September 11, 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
8,937 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 are 2 flights 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?

    Alaska Airlines, Delta, and United Airlines can get you from Denver to Helena in just under 1h 59m. Your travel time can differ by up to 8h 37m. 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 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Denver to Helena one-way?

    $110 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $115 and $134, respectively.

  • 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 $209 on average, our data indicates $314 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, February is the cheapest month in which you can book a flight from Denver to Helena (average of $353). Flying from Denver to Helena in May is currently the most expensive (average of $517). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$340FlexibilityNo cancel feeOn-time69%

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