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$114+ Cheap flights from Helena to Denver (HLN - DEN)

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DEN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Helena to Denver Intl are usually found in December or February, booked 53 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Helena to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Denver (DEN). 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 junio 12, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$114
(Hawaiian Airlines)

Popular in

September

Cheapest in

December

Average price

$321

Good round-trip deal

$424 or less

Good one-way deal

$233 or less
From Helena to Denver Intl
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One-way flight from Helena to Denver Intl
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Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Helena to Denver Intl.
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Price to beat on a one-way flight from Helena to Denver Intl.
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Find flight deals from Helena to Denver

Cheapest flights from Helena to Denver
Explore the most affordable flight options available from Helena to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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.
mié. 7/95:39 pmHLN - DEN
Nonstop2h 01mUnited Airlines
sáb. 7/122:55 pmDEN - HLN
Nonstop2h 00mUnited Airlines
Deal found 6/9$209
This Delta deal was found by Cheapflights users on 6/9. 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.
mié. 7/91:00 pmHLN - DEN
1 stop6h 55mDelta
sáb. 7/126:10 pmDEN - HLN
1 stop4h 46mDelta
Deal found 6/9$264
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/154:02 pmHLN - DEN
1 stop5h 45mAlaska Airlines
jue. 10/28:00 amDEN - HLN
1 stop7h 21mAlaska Airlines
Deal found 6/11$268
This United deal was found by Cheapflights users on 6/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/155:20 pmHLN - DEN
Nonstop2h 06mMultiple Airlines
jue. 10/28:00 amDEN - HLN
1 stop7h 21mMultiple Airlines
Deal found 6/11$433

Cheapflights Fare Finder

Customize your flight search to find flights from Helena to Denver 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 junio 12, 2025.
Use the filters below to find and compare flights from Helena to Denver that are best for you.

Fly from

Helena

Fly to

Denver

Route

Depart

Return

Price

HelenaDenver

HLN - DEN

HLNDEN

Helena

mié. 7/9

5:39 pm-7:40 pm

Nonstop2h 01m

Denver Intl

sáb. 7/12

2:55 pm-4:55 pm

Nonstop2h 00m

$209

HelenaDenver

HLN - DEN

HLNDEN

Helena

mié. 7/9

1:00 pm-7:55 pm

1 stop6h 55m

Denver Intl

sáb. 7/12

6:10 pm-10:56 pm

1 stop4h 46m

$264

HelenaDenver

HLN - DEN

HLNDEN

Helena

lun. 9/15

4:02 pm-9:47 pm

1 stop5h 45m

Denver Intl

jue. 10/2

8:00 am-3:21 pm

1 stop7h 21m

$268

HelenaDenver

HLN - DEN

HLNDEN

Helena

lun. 9/15

5:20 pm-7:26 pm

Nonstop2h 06m

Denver Intl

jue. 10/2

8:00 am-3:21 pm

1 stop7h 21m

$433

HelenaDenver

HLN - DEN

HLNDEN

Helena

mié. 8/6

4:09 pm-11:59 pm

1 stop7h 50m

$114

HelenaDenver

HLN - DEN

HLNDEN

Helena

mié. 7/9

6:30 am-8:37 am

Nonstop2h 07m

$224

HelenaDenver

HLN - DEN

HLNDEN

Helena

sáb. 7/26

5:50 am-11:58 am

1 stop6h 08m

$234

HelenaDenver

HLN - DEN

HLNDEN

Helena

lun. 9/15

4:02 pm-10:40 am

2 stops18h 38m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Helena to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Helena 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 Helena to Denver

How far ahead should I book a flight from Helena to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Helena to Denver. Price data was last updated on June 9, 2025.

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Helena to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Helena to Denver (average of $197). Flying from Helena to Denver in March is currently the most expensive (average of $278). 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 HLN to DEN?

Find hourly flight availability from Helena to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Helena to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 21% versus a flight in the morning.

Weekly flight availability from Helena to Denver

Explore weekly flight availability from Helena to Denver. 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 junio 12, 2025.

The most flights from HLN to DEN 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).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Helena to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Helena to Denver. 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 Helena to Denver?

    Denver Intl is the airport most travelers will use when flying to Denver from Helena. Booking flights from Helena (HLN) to Denver Intl (DEN) should be relatively easy as there are 3 daily flights to Denver from 2 different airlines. 1h 51m is how long a flight from Helena to Denver Intl will take if you book a nonstop flight.

  • How popular is this Helena to Denver flight route?

    Within the past month, 1 users have taken a look at flights from Helena to Denver Intl.

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

    Currently priced at $209, United Airlines will fly you from Helena to Denver and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Hawaiian Airlines - these airlines can fly you to your destination from $264 and $268, respectively. You may be able to fly from Helena to Denver for 40% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $114 on Hawaiian Airlines. Other airlines that offer cheap prices include United Airlines from $224 and Delta from $234 one-way.

  • What are the cheapest flights from Helena to Denver?

    On average you can expect to pay $416 for a flight from Helena to Denver. The cheapest flight overall is $198 while the most popular route, (Helena - Denver Intl) is currently priced at $209.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to Denver 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 Helena to Denver?

    Currently, October is the cheapest month in which you can book a flight from Helena to Denver (average of $197). Flying from Helena to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Helena?

Book flights to Helena if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

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Top 2 airlines flying from Helena to Denver

Discover the top 2 airlines that operate flights from Helena to Denver. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$234Average$357FlexibilityNo cancel feeOn-time69%

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