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$145+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DEN
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
1 adult, Economy
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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 July 6, 2026.

This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:15 am
HLN
-
DEN
Nonstop2h 10m
United Airlines
Tue 8/2511:42 am
DEN
-
HLN
Nonstop2h 03m
United Airlines
Deal found 7/2$269
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:15 am
HLN
-
DEN
Nonstop2h 10m
United Airlines
Sun 8/167:30 pm
DEN
-
HLN
Nonstop2h 00m
United Airlines
Deal found 7/3$278
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:15 am
HLN
-
DEN
1 stop4h 50m
Delta
Mon 10/128:06 am
DEN
-
HLN
1 stop4h 17m
Delta
Deal found 7/3$289
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/306:15 am
HLN
-
DEN
Nonstop1h 58m
United Airlines
Thu 8/67:18 pm
DEN
-
HLN
Nonstop2h 02m
United Airlines
Deal found 7/1$299
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:15 am
HLN
-
DEN
Nonstop1h 58m
United Airlines
Sun 7/197:18 pm
DEN
-
HLN
Nonstop2h 02m
United Airlines
Deal found 7/3$309
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/86:25 am
HLN
-
DEN
Nonstop2h 10m
United Airlines
Mon 10/127:18 pm
DEN
-
HLN
Nonstop2h 00m
United Airlines
Deal found 7/1$310
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Sat 8/16:15 am
HLN
-
DEN
Nonstop1h 58m
United Airlines
Sat 8/811:30 am
DEN
-
HLN
Nonstop2h 03m
United Airlines
Deal found 7/4$317
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 7/182:20 pm
HLN
-
DEN
Nonstop2h 16m
United Airlines
Sat 7/257:18 pm
DEN
-
HLN
Nonstop2h 02m
United Airlines
Deal found 7/1$319
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:40 am
HLN
-
DEN
1 stop3h 32m
Delta
Sat 7/183:55 pm
DEN
-
HLN
1 stop6h 44m
Delta
Deal found 7/3$329
This United Airlines deal was found by Cheapflights users on 7/4. 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 8/66:15 am
HLN
-
DEN
Nonstop1h 58m
United Airlines
Tue 8/1111:42 am
DEN
-
HLN
Nonstop2h 03m
United Airlines
Deal found 7/4$339
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:57 pm
HLN
-
DEN
1 stop4h 05m
Delta
Mon 9/285:30 am
DEN
-
HLN
1 stop6h 47m
Delta
Deal found 7/3$344
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:03 pm
HLN
-
DEN
1 stop9h 39m
Delta
Sat 10/178:06 am
DEN
-
HLN
1 stop4h 17m
Delta
Deal found 7/3$347

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 July 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

One-way from

$145
(Priceline)

Popular in

June

Cheapest in

January

Average price

$283

Good round-trip deal

$467 or less

Good one-way deal

$393 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. 9% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 6, 2026.
Use the filters below to find and compare flights from Helena to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 8/1

7:00 am-11:47 am

1 stop4h 47m

Denver Intl

Sat 8/8

8:35 am-12:15 pm

1 stop3h 40m

$289

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 7/17

5:40 am-9:12 am

1 stop3h 32m

Denver Intl

Sat 7/18

3:55 pm-10:39 pm

1 stop6h 44m

$329

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 9/25

12:57 pm-5:02 pm

1 stop4h 05m

Denver Intl

Mon 9/28

5:30 am-12:17 pm

1 stop6h 47m

$344

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 9/17

6:15 am-8:25 am

Nonstop2h 10m

Denver Intl

Sun 9/20

7:30 pm-9:30 pm

Nonstop2h 00m

$369

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 8/14

5:40 am-6:15 pm

2 stops12h 35m

Denver Intl

Sat 8/15

6:28 pm-10:30 pm

1 stop4h 02m

$387
Quickest round-trip

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 7/16

6:15 am-8:13 am

Nonstop1h 58m

Denver Intl

Mon 7/20

7:18 pm-9:20 pm

Nonstop2h 02m

$389

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 7/17

6:15 am-8:13 am

Nonstop1h 58m

Denver Intl

Sat 7/18

11:30 am-1:33 pm

Nonstop2h 03m

$389

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 7/16

2:20 pm-4:36 pm

Nonstop2h 16m

Denver Intl

Sun 7/19

7:18 pm-9:20 pm

Nonstop2h 02m

$424

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 7/16

5:40 am-9:12 am

1 stop3h 32m

Denver Intl

Mon 7/20

3:55 pm-10:39 pm

1 stop6h 44m

$424

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sun 8/16

6:15 am-8:25 am

Nonstop2h 10m

Denver Intl

Wed 8/19

7:30 pm-9:30 pm

Nonstop2h 00m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 July.
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 Helena-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Denver flight deals on Cheapflights vs. FlightHub >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 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 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

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

Currently, January is the cheapest month in which you can book a flight from Helena to Denver (average of $245). Flying from Helena to Denver in June is currently the most expensive (average of $369). 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 July 6, 2026.

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.

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

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 July 6, 2026.
See what other customers who have flown with 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.
United Airlines
7.4
Good
9,938 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
9,938 reviews
United Airlines
7.4
Good
9,938 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 is 1 daily flight to Denver from 1 airline. 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, 14 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 Delta or United Airlines to get the fastest option. The distance between Helena and Denver is about 593 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly 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. You may be able to fly from Helena to Denver for 27% less than the average price by searching for this airline.

  • What are the cheapest flights from Helena to Denver?

    On average you can expect to pay $526 for a flight from Helena to Denver. The cheapest flight overall is $269 while the most popular route, (Helena - Denver Intl) is currently priced at $269.

  • 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, January is the cheapest month in which you can book a flight from Helena to Denver (average of $245). Flying from Helena to Denver in June is currently the most expensive (average of $369). 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
Thornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Helena to Denver

Discover the top airline 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 July 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$279FlexibilityNo cancel feeOn-time69%

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