Cheap flights from Denver to Kalispell from $89

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 January is also cheap. Prices for this month can be found on momondo for an average of $288.

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 $349. The most expensive day to fly to Kalispell is Monday, with ticket prices averaging around $470.

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 $359. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Kalispell, so prices are often more expensive at around $402 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 $380 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 $288 on momondo.

There are 3 cabin classes available to choose from on Denver Intl to Kalispell Glacier Park 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 47% on your flight if you consider stops on a Denver to Kalispell flight.

As of April 2026, prices for Denver to Kalispell flights are approximately 2% more expensive when compared to flights at the same time last year.

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

United Airlines, Delta and Frontier 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 87% 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 2 per day as of April 2026. The most frequent departure time is 11:00AM, with 50% of daily flights leaving at noon.

The number of flights available between Denver and Kalispell is 14 per week as of April 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.