Cheap flights from Kalispell to San Francisco from $131

If you aren’t able to travel to San Francisco during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $298.

The cheapest day to depart from Kalispell to San Francisco is on a Tuesday when prices can be found for as low as $447. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $722.

Our data shows that the cheapest Kalispell to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $536. Flights in the morning are often more expensive with an average ticket price of $668.

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

There are 4 cabin classes available to choose from on Kalispell to San Francisco 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 35% on your flight if you consider stops on a Kalispell to San Francisco flight.

Alaska Airlines and Delta are the most popular carriers operating from Kalispell Glacier Park to San Francisco

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to San Francisco from Kalispell according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Portland (PDX) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $428.

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 4h 44m.

Portland (PDX) has the shortest average layover time for this route: 1h 14m.

As of May 2026, 1 flights take off from Kalispell and land in San Francisco each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.

As of May 2026, there are 7 flights per week flying from Kalispell to San Francisco. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.