Cheap flights from Chicago O'Hare Intl Airport to Kalispell from $127

The month of May is, on average, the cheapest month to fly to Kalispell from Chicago O'Hare Intl Airport, with most prices found around $309. If you aren’t able to travel to Kalispell during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $358.

The cheapest day to depart from Chicago O'Hare Intl Airport 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 Monday, with ticket prices averaging around $471.

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 O'Hare Intl Airport to Kalispell in the afternoon for as low as $430. 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 $496 per ticket.

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

You are more likely to see cheaper flights to Kalispell from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $481 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from Chicago O'Hare Intl Airport for as low as $388 on momondo.

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport 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 12% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Kalispell flight.

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Chicago O'Hare Intl to Kalispell Glacier Park

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Kalispell from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 52% 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 August 2026, 4 flights take off from Chicago O'Hare Intl Airport and land in Kalispell each day. The most common flight departure time for this route is 8:00AM, with 60% of daily flights taking off in the afternoon.

As of August 2026, there are 33 flights per week flying from Chicago O'Hare Intl Airport to Kalispell. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.