HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HLN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Helena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$110
(Alaska Airlines)

Popular in

September

Cheapest in

April

Average price

$401

Good round-trip deal

$289 or less
From Denver Intl to Helena
Search Deals
One-way flight from Denver Intl to Helena
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Denver Intl to Helena.
Search Deals

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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:14 pmDEN - HLN
Nonstop2h 01mUnited Airlines
Tue 7/155:39 pmHLN - DEN
Nonstop2h 01mUnited Airlines
Deal found 6/10$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.
Sat 6/286:23 pmDEN - HLN
1 stop4h 35mDelta
Sat 7/125:50 amHLN - DEN
1 stop6h 08mDelta
Deal found 6/9$239
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/1811:40 amDEN - HLN
2 stops27h 41mAlaska Airlines
Sun 9/214:02 pmHLN - DEN
1 stop5h 45mAlaska Airlines
Deal found 6/10$361
This United deal was found by Cheapflights users on 6/12. 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.
Sat 6/287:14 pmDEN - HLN
Nonstop2h 01mMultiple Airlines
Tue 7/14:09 pmHLN - DEN
1 stop7h 50mMultiple Airlines
Deal found 6/12$493

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 June 12, 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

Tue 7/8

7:14 pm-9:15 pm

Nonstop2h 01m

Helena

Tue 7/15

5:39 pm-7:40 pm

Nonstop2h 01m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 6/28

6:23 pm-10:58 pm

1 stop4h 35m

Helena

Sat 7/12

5:50 am-11:58 am

1 stop6h 08m

$239

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 9/18

11:40 am-3:21 pm

2 stops27h 41m

Helena

Sun 9/21

4:02 pm-9:47 pm

1 stop5h 45m

$361

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 6/28

7:14 pm-9:15 pm

Nonstop2h 01m

Helena

Tue 7/1

4:09 pm-11:59 pm

1 stop7h 50m

$493

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 7/29

8:32 pm-3:31 pm

1 stop18h 59m

$110

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 7/29

8:00 am-3:31 pm

1 stop7h 31m

$199

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 7/8

2:55 pm-4:55 pm

Nonstop2h 00m

$224

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 7/8

6:10 pm-10:47 pm

1 stop4h 37m

$234

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Tue 7/8

5:00 am-3:31 pm

2 stops10h 31m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $555). 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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% 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 June 12, 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).

Rainfall in Helena by month

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

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

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

If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
To help decide which airline to fly from Denver to Helena, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. In addition to providing an overall rating, 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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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 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 2 airlines 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), Delta ($239), and Alaska Airlines ($402) offers the cheapest pricing from Denver to Helena. United Airlines is 42% 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 Hawaiian Airlines and United Airlines, with prices starting from $199 and $224, respectively.

  • What are the cheapest flights from Denver to Helena?

    Looking at all options, your cheapest flight can be booked for $269. While the most popular route (Denver Intl - Helena) can be booked for $209 on average our data indicates $308 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 $555). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Helena

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Bozeman flights
Denver to Kalispell flights
Denver to Missoula flights
Denver to Great Falls flights
Denver to Billings flights
Denver to West Yellowstone flights
Denver to Cody flights
Denver to Butte flights
Aspen to Kalispell flights
Grand Junction to Bozeman flights
Colorado Springs to Kalispell flights
Colorado Springs to Bozeman flights
Durango to Bozeman flights
Grand Junction to Kalispell flights
Colorado Springs to Missoula flights
Vail to Kalispell flights
Colorado Springs to Great Falls flights
Grand Junction to Missoula flights
Durango to Butte flights
Colorado Springs to Helena flights
Grand Junction to Helena flights
Colorado Springs to Billings flights
Aspen to Missoula flights
Grand Junction to Cody flights
Montrose to Bozeman flights
Grand Junction to Billings flights
Aspen to Bozeman flights
Durango to Helena flights
Colorado Springs to Butte flights
Aspen to Billings flights
Grand Junction to Butte flights
Denver to Sidney flights
Denver to Havre flights
Colorado Springs to Cody flights
Gunnison to Bozeman flights
Hayden to Kalispell flights
Montrose to Butte flights
Montrose to Helena flights

Top 2 airlines flying from Denver to Helena

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$283FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$386FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.