Cheap flights from Chicago to Kalispell from $152

The month of October is, on average, the cheapest month to fly to Kalispell from Chicago, with most prices found around $191. If you aren’t able to travel to Kalispell during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $191.

The cheapest day to depart from Chicago to Kalispell is on a Tuesday. Travelers who choose to depart for Kalispell on a Tuesday will often find tickets for as low as $394. The most expensive day to fly to Kalispell is Thursday, with ticket prices averaging around $467.

According to our data, the cheapest time of day to fly to Kalispell is in the afternoon. momondo users have found flights departing from Chicago to Kalispell in the afternoon for as low as $422. 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 evening is when there is more demand to fly to Kalispell, so prices are often more expensive at around $474 per ticket.

Fly from Chicago O'Hare Intl to Kalispell Glacier Park for the best Chicago - Kalispell Glacier Park flight prices

You are more likely to see cheaper flights to Kalispell from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from Chicago for as low as $375 on momondo.

There are 4 cabin classes available to choose from on Chicago to Kalispell 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 18% on your flight if you consider stops on a Chicago to Kalispell flight.

Sun Country Air, Delta, and United Airlines are the most popular carriers operating from Chicago to Kalispell Glacier Park

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Kalispell from Chicago according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 4 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.

Minneapolis (MSP) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $353.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 52m.

Minneapolis (MSP) has the shortest average layover time for this route: 2h 29m.

As of June 2026, there are 3 flights per day flying from Chicago to Kalispell. The most common time of day flights depart is 1:00PM, with 41% of flights taking off at noon.

The number of flights available between Chicago and Kalispell is 22 per week as of June 2026. The most frequent departure day is Mon, with 27% of weekly flights leaving on this day.