Cheap flights from Colorado to Kalispell from $135

The month of October is, on average, the cheapest month to fly to Kalispell from Colorado, with most prices found around $299. If you aren’t able to travel to Kalispell during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $324.

The cheapest day to depart from Colorado to Kalispell is on a Saturday. Travelers who choose to depart for Kalispell on a Saturday will often find tickets for as low as $359. The most expensive day to fly to Kalispell is Wednesday, with ticket prices averaging around $448.

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 $339. 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 $444 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 and United Airlines are the most popular carriers operating from Colorado to Kalispell Glacier Park

United Airlines, Delta and Frontier 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 98% 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 September 2026, 1 flights take off from Colorado and land in Kalispell each day. The most common flight departure time for this route is 7:00AM, with 50% of daily flights taking off at noon.

The number of flights available between Colorado and Kalispell is 12 per week as of September 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.