Cheap flights from San Diego to Kalispell from $115

The month of April is, on average, the cheapest month to fly to Kalispell from San Diego, with most prices found around $346. If you aren’t able to travel to Kalispell during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $348.

The cheapest day to depart from San Diego to Kalispell is on a Tuesday. Travelers who choose to depart for Kalispell on a Tuesday will often find tickets for as low as $417. The most expensive day to fly to Kalispell is Thursday, with ticket prices averaging around $567.

According to our data, the cheapest time of day to fly to Kalispell is at noon. momondo users have found flights departing from San Diego to Kalispell at noon for as low as $475. 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 $522 per ticket.

Fly from San Diego to Kalispell Glacier Park for the best San Diego - Kalispell Glacier Park flight prices

You are more likely to see cheaper flights to Kalispell from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $430 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from San Diego for as low as $371 on momondo.

There are 2 cabin classes available to choose from on San Diego 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 14% on your flight if you consider stops on a San Diego to Kalispell flight.

As of June 2026, prices for San Diego to Kalispell flights are approximately 6% cheaper when compared to flights at the same time last year.

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

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Kalispell from San Diego according to our data. Alaska Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 5 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.