Cheap flights from Oregon to Kalispell from $119

The month of May is, on average, the cheapest month to fly to Kalispell from Oregon, with most prices found around $88. If you aren’t able to travel to Kalispell during the month of May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $118.

The cheapest day to depart from Oregon to Kalispell is on a Monday. Travelers who choose to depart for Kalispell on a Monday will often find tickets for as low as $308. The most expensive day to fly to Kalispell is Sunday, with ticket prices averaging around $438.

According to our data, the cheapest time of day to fly to Kalispell is at noon. momondo users have found flights departing from Oregon to Kalispell at noon for as low as $308. 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 $376 per ticket.

Fly from Portland to Kalispell Glacier Park for the best Oregon - Kalispell Glacier Park flight prices

You are more likely to see cheaper flights to Kalispell from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from Oregon for as low as $177 on momondo.

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

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Kalispell from Oregon according to our data. Alaska Airlines is the first choice among our users, with 88% 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.

6 flights are operational weekly from Oregon to Kalispell as of May 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

If you’re flying from a popular airport in Oregon, such as Portland or Eugene, and flying into Kalispell, then you can expect flight times to average 1h 24m and 3h 48m, respectively.