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Find cheap one-way flights from Denver to Helena starting at US$88.

Whether you’re going for a one-way or round-trip to Helena, we’ve got you covered! Check out these different flight options from Denver below.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Denver to Helena Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. DL2544

    05:40

    DEN

    1.6h

    07:19

    SLC

    SMTWTFS
  2. DL3880

    11:00

    SLC

    1.6h

    12:37

    HLN

    SMTWTFS
  3. AS643

    06:00

    DEN

    3.0h

    07:59

    SEA

    SMTWTFS
  4. AS2222

    13:00

    SEA

    1.5h

    15:31

    HLN

    SMTWTFS
  5. DL1731

    06:15

    DEN

    3.1h

    08:23

    SEA

    SMTWTFS
  6. DL1165

    17:05

    SEA

    2.1h

    20:14

    SLC

    SMTWTFS
  7. DL3839

    21:05

    SLC

    1.5h

    22:35

    HLN

    SMTWTFS
  8. DL2002

    06:30

    DEN

    2.6h

    08:06

    LAX

    SMTWTFS
  9. DL2311

    17:15

    LAX

    1.9h

    20:11

    SLC

    SMTWTFS
  10. DL3839

    21:05

    SLC

    1.5h

    22:35

    HLN

    SMTWTFS
  11. DL1581

    07:10

    DEN

    1.7h

    08:50

    SLC

    SMTWTFS
  12. DL3880

    11:00

    SLC

    1.6h

    12:37

    HLN

    SMTWTFS
  13. UA5388

    11:30

    DEN

    2.0h

    Nonstop

    13:31

    HLN

    SMTWTFS
  14. DL2663

    18:30

    DEN

    1.6h

    20:08

    SLC

    SMTWTFS
  15. DL3839

    21:05

    SLC

    1.5h

    22:35

    HLN

    SMTWTFS
  16. UA4705

    19:07

    DEN

    1.9h

    Nonstop

    20:59

    HLN

    SMTWTFS
  17. DL3679

    19:50

    DEN

    3.3h

    22:07

    SEA

    SMTWTFS
  18. DL1128

    05:45

    SEA

    2.1h

    08:50

    SLC

    SMTWTFS
  19. DL3880

    11:00

    SLC

    1.6h

    12:37

    HLN

    SMTWTFS

When is the cheapest time to book flights from Denver to Helena?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Helena from Denver have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Denver to Helena

Which airline provides the cheapest flights from Denver to Helena? Discover the option that best suits your travel needs before embarking on your journey.

Frequently Asked Questions

  • When are flight tickets from Denver (DEN) to Helena (HLN) the cheapest?

    Airlines adjust prices for flights from Denver to Helena based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Denver (DEN) to Helena (HLN) cost?

    According to Trip.com's data, the lowest price is around $366.
  • How long does it take to fly from Denver (DEN) to Helena (HLN) and what is the distance?

    It takes around 1 hour 56 minutes to fly from Denver (DEN) to Helena (HLN).
  • What are the most popular airlines that fly from Denver (DEN) to Helena (HLN)?

    Airlines with flights from Denver (DEN) to Helena (HLN): United Airlines.

How to find a cheap flight from Denver to Helena

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Being flexible with your dates to get the cheapest Denver to Helena ticket.
Tap "Date" on flight search bar to scan through the calender for Denver to Helena airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sun, Apr 13 at US$225 for one-way flights.
2
Compare cheap Denver to Helena flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Denver to Helena. The cheapest airline operating is United Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Denver to Helena route, you can easily track the price of your airline tickets from Denver to Helena without manually checking every day.
4
Don't miss cheap Denver to Helena flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Denver to Helena to get exclusive deals for you.

Denver to Helena Flight Information

Cheapest nonstop flight price$88
Cheapest round-trip ticket price$250
Off-season for travelFebruary
Peak season for travelNovember
Flight distance954.86 km
Average flight time1 hour 56 minutes
Popular airlineAlaska Airlines