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Helena

$125+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HLN
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap 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 11, 2026.

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.
Fri 8/287:30 pm
DEN
-
HLN
Nonstop2h 00m
United Airlines
Sun 9/62:35 pm
HLN
-
DEN
Nonstop2h 10m
United Airlines
Deal found 6/9$269
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 8/1911:42 am
DEN
-
HLN
Nonstop2h 03m
United Airlines
Mon 8/246:15 am
HLN
-
DEN
Nonstop2h 10m
United Airlines
Deal found 6/8$288
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:56 pm
DEN
-
HLN
1 stop6h 34m
Delta
Mon 8/105:40 am
HLN
-
DEN
1 stop3h 34m
Delta
Deal found 6/10$289
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:05 am
DEN
-
HLN
1 stop5h 10m
Delta
Sat 8/296:50 am
HLN
-
DEN
1 stop4h 57m
Delta
Deal found 6/8$299
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:55 pm
DEN
-
HLN
1 stop6h 44m
Delta
Fri 7/175:40 am
HLN
-
DEN
1 stop3h 32m
Delta
Deal found 6/10$309
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:02 am
DEN
-
HLN
1 stop10h 30m
Alaska Airlines
Sat 7/115:09 pm
HLN
-
DEN
1 stop5h 36m
Alaska Airlines
Deal found 6/6$313
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:55 pm
DEN
-
HLN
1 stop6h 36m
Delta
Wed 7/15:35 am
HLN
-
DEN
1 stop6h 18m
Delta
Deal found 6/8$319
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.
Wed 8/58:40 am
DEN
-
HLN
1 stop7h 52m
Alaska Airlines
Wed 8/125:09 pm
HLN
-
DEN
1 stop6h 50m
Alaska Airlines
Deal found 6/10$327
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.
Thu 8/2711:42 am
DEN
-
HLN
Nonstop2h 03m
United Airlines
Sat 9/52:35 pm
HLN
-
DEN
Nonstop2h 10m
United Airlines
Deal found 6/9$330
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:55 pm
DEN
-
HLN
1 stop6h 36m
Delta
Sun 7/55:35 am
HLN
-
DEN
1 stop3h 43m
Delta
Deal found 6/8$339
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:56 pm
DEN
-
HLN
1 stop6h 34m
Delta
Wed 8/125:40 am
HLN
-
DEN
1 stop3h 34m
Delta
Deal found 6/10$344
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.
Wed 8/57:18 pm
DEN
-
HLN
Nonstop2h 02m
United Airlines
Mon 8/106:15 am
HLN
-
DEN
Nonstop1h 58m
United Airlines
Deal found 6/10$349

Find 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 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

One-way from

$125
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$439

Good round-trip deal

$315 or less

Good one-way deal

$211 or less
Provider with most accurate pricing for Denver Intl-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Helena flights.
Search Deals
From Denver Intl to Helena
Search Deals
One-way flight from Denver Intl to Helena
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Denver Intl to Helena.
Search Deals
Price to beat on a one-way flight from Denver Intl to Helena.
Search Deals

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 11, 2026.
Use the filters below to find and compare flights from Denver to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/28

3:56 pm-10:30 pm

1 stop6h 34m

Helena

Sun 9/6

5:40 am-9:14 am

1 stop3h 34m

$299

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/14

6:28 pm-10:30 pm

1 stop4h 02m

Helena

Mon 8/17

5:40 am-12:04 pm

1 stop6h 24m

$299
Quickest round-trip

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 7/10

7:18 pm-9:20 pm

Nonstop2h 02m

Helena

Fri 7/17

6:15 am-8:13 am

Nonstop1h 58m

$313

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 8/27

5:35 am-12:15 pm

1 stop6h 40m

Helena

Sat 8/29

6:50 am-11:47 am

1 stop4h 57m

$319

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 10/10

11:45 am-1:48 pm

Nonstop2h 03m

Helena

Wed 10/14

2:30 pm-4:40 pm

Nonstop2h 10m

$394

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 8/5

8:40 am-4:32 pm

1 stop7h 52m

Helena

Tue 8/11

5:09 pm-9:40 pm

2 stops28h 31m

$414

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 6/25

7:18 pm-9:20 pm

Nonstop2h 02m

Helena

Mon 6/29

6:15 am-8:13 am

Nonstop1h 58m

$449

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/14

7:59 pm-4:32 pm

2 stops20h 33m

Helena

Mon 8/17

5:09 pm-10:45 pm

1 stop5h 36m

$450

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 8/27

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Sat 8/29

6:15 am-8:25 am

Nonstop2h 10m

$453

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/28

8:06 pm-4:34 pm

2 stops20h 28m

Helena

Sun 9/6

5:11 pm-11:16 pm

1 stop6h 05m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Helena flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, February is the cheapest month in which you can book a flight from Denver to Helena (average of $209). Flying from Denver to Helena in June is currently the most expensive (average of $439). 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 11, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Helena as you normally would.

How much does it cost to fly round-trip from Denver to Helena?

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 11, 2026.
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
9,805 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,805 reviews
United Airlines
7.4
Good
9,805 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 2h 00m 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 02m. Your travel time can differ by up to 4h 32m. 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 $211. While the most popular route (Denver Intl - Helena) can be booked for $269 on average, our data indicates $293 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 $209). Flying from Denver to Helena in June is currently the most expensive (average of $439). 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

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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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$308FlexibilityNo cancel feeOn-time69%

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