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$104+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DEN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheapflights Tip: The best prices from Helena to Denver Intl are usually found in August or October, booked 46 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/4. 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 12/125:30 amHLN - DEN
1 stop3h 59mDelta
Thu 12/183:54 pmDEN - HLN
1 stop6h 36mDelta
Deal found 12/4$304
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/186:10 amHLN - DEN
Nonstop2h 20mUnited Airlines
Sun 12/217:20 pmDEN - HLN
Nonstop2h 11mUnited Airlines
Deal found 12/4$319
This Delta deal was found by Cheapflights users on 12/4. 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 12/185:30 amHLN - DEN
1 stop3h 59mDelta
Sat 12/205:30 amDEN - HLN
1 stop7h 00mDelta
Deal found 12/4$334
This Delta deal was found by Cheapflights users on 12/4. 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 12/125:30 amHLN - DEN
1 stop3h 59mDelta
Wed 12/177:05 amDEN - HLN
1 stop5h 20mDelta
Deal found 12/4$339
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/192:26 pmHLN - DEN
Nonstop2h 10mUnited Airlines
Tue 12/2311:34 amDEN - HLN
Nonstop2h 11mUnited Airlines
Deal found 12/4$346
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/122:30 pmHLN - DEN
Nonstop2h 09mUnited Airlines
Fri 12/1911:34 amDEN - HLN
Nonstop2h 11mUnited Airlines
Deal found 12/4$354
This Delta deal was found by Cheapflights users on 12/2. 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 12/125:30 amHLN - DEN
1 stop3h 59mDelta
Mon 12/155:30 amDEN - HLN
1 stop6h 55mDelta
Deal found 12/2$359
This Delta deal was found by Cheapflights users on 12/4. 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 12/125:30 amHLN - DEN
1 stop3h 59mDelta
Sat 12/205:30 amDEN - HLN
1 stop7h 00mDelta
Deal found 12/4$369
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/66:28 pmHLN - DEN
1 stop17h 16mAlaska Airlines
Sun 12/78:20 pmDEN - HLN
1 stop21h 31mAlaska Airlines
Deal found 12/3$378
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/186:10 amHLN - DEN
Nonstop2h 20mUnited Airlines
Mon 12/227:20 pmDEN - HLN
Nonstop2h 11mUnited Airlines
Deal found 12/4$379
This Delta deal was found by Cheapflights users on 12/4. 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 12/185:30 amHLN - DEN
1 stop3h 59mDelta
Sun 12/215:30 amDEN - HLN
1 stop7h 00mDelta
Deal found 12/4$384
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/122:30 pmHLN - DEN
Nonstop2h 09mUnited Airlines
Tue 12/167:15 pmDEN - HLN
Nonstop2h 07mUnited Airlines
Deal found 12/4$389

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$219
(United Airlines)

One-way from

$104
(Alaska Airlines)

Popular in

March

Cheapest in

August

Average price

$314

Good round-trip deal

$392 or less

Good one-way deal

$279 or less
Provider with most accurate pricing for Helena-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Denver Intl flights.
Search Deals
From Helena to Denver Intl
Search Deals
One-way flight from Helena to Denver Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Helena to Denver Intl.
Search Deals
Price to beat on a one-way flight from Helena to Denver Intl.
Search Deals

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 December 4, 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

Wed 1/14

1:10 pm-11:25 pm

2 stops10h 15m

Denver Intl

Wed 1/21

6:29 am-10:29 pm

2 stops16h 00m

$244

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 1/13

1:10 pm-12:27 pm

2 stops23h 17m

Denver Intl

Wed 1/21

4:10 pm-10:29 pm

1 stop6h 19m

$246

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 1/17

5:30 am-9:33 am

1 stop4h 03m

Denver Intl

Tue 1/20

12:30 pm-12:27 pm

2 stops23h 57m

$246

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 1/13

1:10 pm-12:27 pm

2 stops23h 17m

Denver Intl

Sat 1/17

6:23 pm-10:29 pm

1 stop4h 06m

$246

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 1/13

1:10 pm-12:27 pm

2 stops23h 17m

Denver Intl

Sun 1/18

7:00 am-12:27 pm

1 stop5h 27m

$246

HelenaDenver

HLN - DEN

HLNDEN

Helena

Wed 1/14

5:30 am-11:54 am

1 stop6h 24m

Denver Intl

Sun 1/18

7:00 am-12:27 pm

1 stop5h 27m

$249

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 1/16

1:10 pm-7:56 pm

1 stop6h 46m

Denver Intl

Sat 1/17

7:00 am-12:27 pm

1 stop5h 27m

$249

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 1/17

5:30 am-9:33 am

1 stop4h 03m

Denver Intl

Sat 1/17

6:50 pm-12:27 pm

2 stops17h 37m

$261

HelenaDenver

HLN - DEN

HLNDEN

Helena

Mon 1/12

1:10 pm-12:27 pm

2 stops23h 17m

Denver Intl

Sat 1/17

7:00 am-12:27 pm

1 stop5h 27m

$261

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 1/13

2:27 pm-4:37 pm

Nonstop2h 10m

Denver Intl

Mon 1/19

7:15 pm-9:26 pm

Nonstop2h 11m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 20 results
1
2

Compare providers for flights from Helena to Denver

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 Helena to Denver in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Helena-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Helena-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Helena-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Denver flights, Cheapflights users trust eDreams the most. eDreams 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 Helena-Denver 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 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 November 28, 2025.

Booking 43 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 $70). Flying from Helena to Denver in January is currently the most expensive (average of $209). 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 December 4, 2025.

When flying from Helena to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 December 4, 2025.
See what other customers who have flown with Delta and United Airlines from Helena to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 2 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, 8 users have taken a look at flights from Helena to Denver Intl.

  • How long is the flight from Helena to Denver?

    There are many flights that can get you from Helena to Denver in 2h 10m. Fly via United Airlines or Delta to get the fastest option. The distance between Helena and Denver is about 593 mi. This flight may include one or multiple stops.

  • 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. Check Cheapflights for deals on Delta for as low as $228. You may be able to fly from Helena to Denver for 34% less than the average price by searching for these airlines.

  • What are the cheapest flights from Helena to Denver?

    On average you can expect to pay $508 for a flight from Helena to Denver. The cheapest flight overall is $235 while the most popular route, (Helena - Denver Intl) is currently priced at $219.

  • 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 $70). Flying from Helena to Denver in January is currently the most expensive (average of $209). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Thornton
Greeley
Lone Tree
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$314FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$288FlexibilityNo cancel feeOn-timeN/A

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