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$107+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — DEN
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Find cheap flights from Helena to Denver 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

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Cheapflights Tip: The best prices from Helena to Denver Intl are usually found in January or February, booked 78 days in advance, depart on a Friday or Thursday and return on a Friday

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 March 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 4/156:22 pm
HLN
-
DEN
1 stop5h 34m
Alaska Airlines
Wed 4/296:00 am
DEN
-
HLN
1 stop11h 45m
Alaska Airlines
Deal found 3/7$229
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:02 pm
HLN
-
DEN
2 stops23h 24m
Delta
Wed 4/156:55 am
DEN
-
HLN
2 stops29h 29m
Delta
Deal found 3/6$244
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:02 pm
HLN
-
DEN
1 stop6h 55m
Delta
Mon 4/205:30 am
DEN
-
HLN
1 stop6h 54m
Delta
Deal found 3/6$249
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:02 pm
HLN
-
DEN
1 stop6h 55m
Delta
Tue 4/146:55 am
DEN
-
HLN
2 stops15h 35m
Delta
Deal found 3/6$266
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:30 am
HLN
-
DEN
1 stop3h 58m
Delta
Mon 4/205:30 am
DEN
-
HLN
1 stop6h 54m
Delta
Deal found 3/6$269
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:22 pm
HLN
-
DEN
1 stop5h 34m
Alaska Airlines
Tue 4/147:00 am
DEN
-
HLN
1 stop10h 45m
Alaska Airlines
Deal found 3/6$276
This United Airlines deal was found by Cheapflights users on 3/7. 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 3/286:15 am
HLN
-
DEN
Nonstop2h 08m
United Airlines
Thu 4/27:30 pm
DEN
-
HLN
Nonstop2h 03m
United Airlines
Deal found 3/7$277
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:22 pm
HLN
-
DEN
1 stop5h 34m
Alaska Airlines
Fri 4/177:00 am
DEN
-
HLN
1 stop10h 45m
Alaska Airlines
Deal found 3/6$286
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:30 am
HLN
-
DEN
1 stop3h 58m
Delta
Wed 3/255:30 am
DEN
-
HLN
1 stop6h 51m
Delta
Deal found 3/6$289
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:02 pm
HLN
-
DEN
2 stops23h 24m
Delta
Thu 4/166:55 am
DEN
-
HLN
2 stops15h 35m
Delta
Deal found 3/6$294

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Alaska Airlines)

One-way from

$107
(Trip.com)

Popular in

April

Cheapest in

January

Average price

$309

Good round-trip deal

$389 or less

Good one-way deal

$297 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. 14% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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

Sun 4/12

5:30 am-9:28 am

1 stop3h 58m

Denver Intl

Mon 4/20

5:30 am-12:24 pm

1 stop6h 54m

$269

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 5/5

6:22 pm-10:54 am

1 stop16h 32m

Denver Intl

Mon 5/11

6:00 am-5:45 pm

1 stop11h 45m

$269
Quickest round-trip

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 8/25

6:15 am-8:23 am

Nonstop2h 08m

Denver Intl

Sat 8/29

7:18 pm-9:16 pm

Nonstop1h 58m

$299

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 4/10

6:15 am-8:24 am

Nonstop2h 09m

Denver Intl

Tue 4/14

7:30 pm-9:33 pm

Nonstop2h 03m

$299

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 4/10

1:02 pm-7:57 pm

1 stop6h 55m

Denver Intl

Fri 4/17

5:30 am-12:24 pm

1 stop6h 54m

$304

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 4/10

6:22 pm-11:56 pm

1 stop5h 34m

Denver Intl

Tue 4/14

7:00 am-5:45 pm

1 stop10h 45m

$316

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 3/20

5:30 am-9:28 am

1 stop3h 58m

Denver Intl

Mon 3/23

6:15 pm-10:30 pm

1 stop4h 15m

$324

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 4/10

1:02 pm-7:57 pm

1 stop6h 55m

Denver Intl

Sun 4/12

6:15 pm-10:30 pm

1 stop4h 15m

$334
Cheapest one-way
Quickest one-way

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 6/26

6:15 am-8:13 am

Nonstop1h 58m

$369

HelenaDenver

HLN - DEN

HLNDEN

Helena

Tue 6/23

6:15 am-8:13 am

Nonstop1h 58m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 19 resultsSorted by cheapest first
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 March.
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

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 March 6, 2026.

Booking 21 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 $69). Flying from Helena to Denver in February 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 March 10, 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.

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 March 10, 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
9,409 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 1 airline. 1h 58m 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, 11 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 08m. Fly via Delta, Alaska Airlines, 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 29% 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 $679 for a flight from Helena to Denver. The cheapest flight overall is $130 while the most popular route, (Helena - Denver Intl) is currently priced at $249.

  • 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 $69). Flying from Helena to Denver in February 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
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$280FlexibilityNo cancel feeOn-time69%

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