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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
Jul 21 — Jul 281
Mon 7/21
Mon 7/28
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 July 16, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$110
(Alaska Airlines)

Popular in

September

Cheapest in

April

Average price

$314

Good round-trip deal

$209 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. 16% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 16, 2025.

This United Airlines deal was found by Cheapflights users on 7/15. 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 8/2211:30 amDEN - HLN
Nonstop2h 00mUnited Airlines
Sun 8/245:20 pmHLN - DEN
Nonstop2h 06mUnited Airlines
Deal found 7/15$209
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Fri 8/229:23 pmDEN - HLN
1 stop17h 58mAlaska Airlines
Mon 8/254:02 pmHLN - DEN
1 stop5h 45mAlaska Airlines
Deal found 7/15$218
This Delta deal was found by Cheapflights users on 7/16. 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.
Sat 10/117:10 amDEN - HLN
1 stop5h 14mDelta
Tue 10/215:40 amHLN - DEN
1 stop4h 02mDelta
Deal found 7/16$228
This Hawaiian Airlines deal was found by Cheapflights users on 7/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:00 amDEN - HLN
1 stop7h 21mHawaiian Airlines
Wed 8/274:02 pmHLN - DEN
1 stop5h 45mHawaiian Airlines
Deal found 7/15$313

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 July 16, 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 8/22

11:30 am-1:30 pm

Nonstop2h 00m

Helena

Sun 8/24

5:20 pm-7:26 pm

Nonstop2h 06m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/22

9:23 pm-3:21 pm

1 stop17h 58m

Helena

Mon 8/25

4:02 pm-9:47 pm

1 stop5h 45m

$218

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 10/11

7:10 am-12:24 pm

1 stop5h 14m

Helena

Tue 10/21

5:40 am-9:42 am

1 stop4h 02m

$228

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Mon 8/25

8:00 am-3:21 pm

1 stop7h 21m

Helena

Wed 8/27

4:02 pm-9:47 pm

1 stop5h 45m

$313

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 10/3

9:23 pm-5:41 pm

1 stop20h 18m

$110

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Mon 8/25

7:59 pm-12:20 pm

2 stops16h 21m

$173

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sun 8/10

2:55 pm-4:55 pm

Nonstop2h 00m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

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 July is currently the most expensive (average of $526). 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 July 16, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Denver to Helena by exploring options for tickets in the afternoon.

Weekly flight availability from Denver to Helena

Explore weekly flight availability from Denver to Helena. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 16, 2025.

The most flights from DEN to HLN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 July 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,959 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,580 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,863 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 3 flights from Denver Intl to Helena, all of which are around 1h 57m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Denver Intl to Helena.

  • What are the cheapest airlines flying from Denver to Helena round-trip?

    According to our current data, United Airlines ($209), Alaska Airlines ($218), and Delta ($228) offers the cheapest pricing from Denver to Helena. United Airlines is 40% 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 $173 and $224, 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 $299 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 July is currently the most expensive (average of $526). 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.

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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 July 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$363FlexibilityNo cancel feeOn-time69%

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