$220+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — HLN
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
Cheapest flights from Denver to HelenaExplore 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 September 1, 2026.
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 September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/111:45 am -
Nonstop2h 03m
Wed 10/72:30 pm -
Nonstop2h 10m
Deal found 8/28![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/28. 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 10/18:05 am -
1 stop4h 12m
Wed 10/71:08 pm -
1 stop6h 26m
Deal found 8/28![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/17:08 pm -
Nonstop2h 00m
Mon 10/52:30 pm -
Nonstop2h 10m
Deal found 8/31![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/29. 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 9/266:06 pm -
1 stop4h 23m
Fri 10/27:15 am -
1 stop4h 54m
Deal found 8/29![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 8/28. 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 9/126:06 pm -
1 stop4h 23m
Wed 9/1612:57 pm -
1 stop6h 43m
Deal found 8/28![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/17:08 pm -
Nonstop2h 00m
Sun 10/46:25 am -
Nonstop2h 10m
Deal found 8/31![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/1811:42 am -
Nonstop2h 03m
Sun 9/206:15 am -
Nonstop2h 10m
Deal found 8/28![United Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 9/268:22 am -
1 stop8h 19m
Wed 9/305:18 pm -
1 stop6h 01m
Deal found 8/29![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 8/29. 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 9/298:05 am -
1 stop4h 12m
Fri 10/27:15 am -
1 stop26h 35m
Deal found 8/29![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 8/29. 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 9/286:28 pm -
2 stops17h 49m
Tue 10/61:08 pm -
1 stop3h 48m
Deal found 8/29![Delta logo]()
$411
Best flights from Denver to HelenaDiscover carefully curated flight deals from Denver to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from Denver to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/111:45 am -
Nonstop2h 03m
Wed 10/72:30 pm -
Nonstop2h 10m
Deal found 8/28![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/28. 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 9/126:06 pm -
1 stop4h 23m
Wed 9/1612:57 pm -
1 stop6h 43m
Deal found 8/28![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/257:18 pm -
Nonstop2h 00m
Sun 10/46:25 am -
Nonstop2h 10m
Deal found 8/29![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/77:20 pm -
Nonstop2h 11m
Tue 11/106:28 am -
Nonstop2h 11m
Deal found 8/27![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/1811:42 am -
Nonstop2h 03m
Sun 9/206:15 am -
Nonstop2h 10m
Deal found 8/28![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/2611:45 am -
Nonstop2h 03m
Wed 9/306:25 am -
Nonstop2h 10m
Deal found 8/29![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/287:18 pm -
Nonstop2h 00m
Mon 10/56:25 am -
Nonstop2h 10m
Deal found 8/29![United Airlines logo]()
$424
Last-minute flights from Denver to HelenaDiscover last-minute flight deals from Denver to Helena. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Helena. Data last updated September 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/117:30 pm -
Nonstop2h 00m
Tue 9/152:26 pm -
Nonstop2h 10m
Deal found 8/27![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 8/28. 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 9/126:06 pm -
1 stop4h 23m
Wed 9/1612:57 pm -
1 stop6h 43m
Deal found 8/28![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/1811:42 am -
Nonstop2h 03m
Sun 9/206:15 am -
Nonstop2h 10m
Deal found 8/28![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/257:18 pm -
Nonstop2h 00m
Sun 10/46:25 am -
Nonstop2h 10m
Deal found 8/29![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/257:18 pm -
Nonstop2h 00m
Wed 9/306:25 am -
Nonstop2h 10m
Deal found 8/29![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 8/29. 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 9/266:06 pm -
1 stop4h 23m
Tue 10/61:08 pm -
1 stop3h 48m
Deal found 8/29![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/29. 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 9/266:06 pm -
1 stop4h 23m
Fri 10/27:15 am -
1 stop4h 54m
Deal found 8/29![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 9/268:22 am -
1 stop8h 19m
Wed 9/305:18 pm -
1 stop6h 01m
Deal found 8/29![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 9/268:22 am -
1 stop8h 19m
Thu 10/15:18 pm -
1 stop6h 01m
Deal found 8/29![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/29. 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 9/286:28 pm -
2 stops17h 49m
Tue 10/61:08 pm -
1 stop3h 48m
Deal found 8/29![Delta logo]()
$411
This Delta deal was found by Cheapflights users on 8/29. 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 9/298:05 am -
1 stop4h 12m
Fri 10/27:15 am -
1 stop26h 35m
Deal found 8/29![Delta logo]()
$410
One-way flights from Denver to HelenaSearch for one-way flight options from Denver to Helena. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Denver to Helena. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 10/87:07 am -
1 stop9h 42m
Deal found 8/31![Alaska Airlines logo]()
$220
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 9/512:02 pm -
1 stop28h 32m
Deal found 8/30![Alaska Airlines logo]()
$240
This Priceline deal was found by Cheapflights users on 8/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:22 am -
1 stop8h 19m
Deal found 8/28![Alaska Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 8/31. 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 12/246:20 pm -
1 stop4h 06m
Deal found 8/31![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/87:08 pm -
Nonstop2h 00m
Deal found 8/28![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 9/198:22 am -
1 stop8h 19m
Deal found 8/31![Alaska Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/1811:42 am -
Nonstop2h 03m
Deal found 8/31![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/30. 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 12/225:11 am -
1 stop7h 14m
Deal found 8/30![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/31. 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 9/146:06 pm -
1 stop4h 18m
Deal found 8/31![Delta logo]()
$364
This Expedia deal was found by Cheapflights users on 8/27. 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.
Mon 9/218:06 pm -
2 stops20h 35m
Deal found 8/27![Alaska Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 8/31. 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 9/186:52 pm -
2 stops27h 37m
Deal found 8/31![Delta logo]()
$374
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (United Airlines) |
One-way from | $220 (Alaska Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $418 |
Good round-trip deal | $405 or less |
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 7,457,451 searches. Data last updated September 1, 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
Cheapest round-trip
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Thu 10/1
11:45 am-1:48 pm
Nonstop2h 03m
Helena
Wed 10/7
2:30 pm-4:40 pm
Nonstop2h 10m
$299
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Sat 9/12
6:06 pm-10:29 pm
1 stop4h 23m
Helena
Wed 9/16
12:57 pm-7:40 pm
1 stop6h 43m
$359
Quickest round-trip
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Fri 9/25
7:18 pm-9:18 pm
Nonstop2h 00m
Helena
Sun 10/4
6:25 am-8:35 am
Nonstop2h 10m
$379
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Sat 11/7
7:20 pm-9:31 pm
Nonstop2h 11m
Helena
Tue 11/10
6:28 am-8:39 am
Nonstop2h 11m
$379
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Fri 9/18
11:42 am-1:45 pm
Nonstop2h 03m
Helena
Sun 9/20
6:15 am-8:25 am
Nonstop2h 10m
$380
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Sat 9/26
11:45 am-1:48 pm
Nonstop2h 03m
Helena
Wed 9/30
6:25 am-8:35 am
Nonstop2h 10m
$424
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Mon 9/28
7:18 pm-9:18 pm
Nonstop2h 00m
Helena
Mon 10/5
6:25 am-8:35 am
Nonstop2h 10m
$424
Cheapest one-way
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Thu 10/8
7:07 am-4:49 pm
1 stop9h 42m
$220
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Sat 9/5
12:02 pm-4:34 pm
1 stop28h 32m
$240
Quickest one-way
DenverHelena
DEN Denver Intl - HLN Helena
DENHLN
Denver Intl
Thu 10/1
7:08 pm-9:08 pm
Nonstop2h 00m
$269
Showing 1-10 of 16 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
DEN-HLN
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
Prices
Airlines
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 $448). 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 September 1, 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.
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 September 1, 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.
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
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.
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Alternative routes for Denver to Helena
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Complete your trip
Complete your trip to Helena by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Helena by cabin class
Find flights from Denver to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Helena
Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Denver and Helena flights
Browse other Denver and Helena flight options. Last updated on September 1, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$343 | FlexibilityNo cancel fee | On-time69% |