Cheap flights from Helena to Denver from $175

The cheapest month to fly to Denver from Helena is in January. Flight prices, which tend to average around $245, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from Helena, when ticket prices are also cheap, with an average price of $249.

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $465. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $683.

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $481. Flights in the morning are often more expensive with an average ticket price of $608.

Fly from Helena to Denver Intl for the best Helena - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Helena when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $298 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Helena for as low as $258 on momondo.

There are 4 cabin classes available to choose from on Helena to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 61% on your flight if you consider stops on a Helena to Denver flight.

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Helena to Denver Intl

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Denver from Helena according to our data. United Airlines is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 2 flights per day flying from Helena to Denver. The most common time of day flights depart is 6:00AM, with 53% of flights taking off at noon.

As of March 2026, 14 flights take off from Helena and land in Denver each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.