Cheap flights from Denver to Kalispell from $121

The month of October is, on average, the cheapest month to fly to Kalispell from Denver, with most prices found around $275. If you aren’t able to travel to Kalispell during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $303.

The cheapest day to depart from Denver to Kalispell is on a Friday. Travelers who choose to depart for Kalispell on a Friday will often find tickets for as low as $354. The most expensive day to fly to Kalispell is Wednesday, with ticket prices averaging around $453.

According to our data, the cheapest time of day to fly to Kalispell is in the evening. momondo users have found flights departing from Denver to Kalispell in the evening for as low as $342. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Kalispell, so prices are often more expensive at around $447 per ticket.

Fly from Denver Intl to Kalispell Glacier Park for the best Denver Intl - Kalispell Glacier Park flight prices

You are more likely to see cheaper flights to Kalispell from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $400 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from Denver for as low as $294 on momondo.

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

No. A direct flight is the cheapest option for a flight between Denver to Kalispell.

As of August 2026, prices for Denver to Kalispell flights are approximately 20% more expensive when compared to flights at the same time last year.

United Airlines and Alaska Airlines are the most popular carriers operating from Denver Intl to Kalispell Glacier Park

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Kalispell from Denver according to our data. United Airlines is the first choice among our users, with 97% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 3 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.

The number of flights available between Denver and Kalispell is 3 per day as of August 2026. The most frequent departure time is 7:00AM, with 50% of daily flights leaving at noon.

The number of flights available between Denver and Kalispell is 25 per week as of August 2026. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.