Cheap flights from Colorado to Kalispell from $126

The month of October is, on average, the cheapest month to fly to Kalispell from Colorado, 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 Colorado 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 Sunday, with ticket prices averaging around $507.

According to our data, the cheapest time of day to fly to Kalispell is in the evening. momondo users have found flights departing from Colorado to Kalispell in the evening for as low as $351. 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 $439 per ticket.

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

You are more likely to see cheaper flights to Kalispell from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from Colorado for as low as $294 on momondo.

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

Alaska Airlines, Allegiant Air, and United Airlines are the most popular carriers operating from Colorado to Kalispell Glacier Park

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Kalispell from Colorado 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.

As of August 2026, 2 flights take off from Colorado and land in Kalispell each day. The most common flight departure time for this route is 7:00AM, with 61% of daily flights taking off at noon.

The number of flights available between Colorado and Kalispell is 15 per week as of August 2026. The most frequent departure day is Fri, with 27% of weekly flights leaving on this day.