Cheap flights from San Francisco to Montana from $80

The cheapest month to fly to Montana from San Francisco is in January. Flight prices, which tend to average around $338, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Montana, with average flight prices from San Francisco averaging around $373.

Our data shows that Saturday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $397. The most expensive day to fly to Montana is Thursday, with ticket prices averaging around $578.

The cheapest time of day to fly to Montana is in the afternoon when flights can be purchased for as low as $347. At noon is when there is more demand to fly to Montana, so prices are often more expensive at around $465 per ticket.

Fly from San Francisco to Bozeman Gallatin Field for the best San Francisco - Montana flight prices

You are more likely to see cheaper flights to Montana from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from San Francisco for as low as $326 on momondo.

There are 4 cabin classes available to choose from on San Francisco to Montana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from San Francisco to Montana

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Montana from San Francisco according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 4 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

5 flights are operational daily from San Francisco to Montana as of October 2026. The most popular departure time for this route is 12:00PM, with 81% of flights per day taking off in the afternoon.

The number of flights available between San Francisco and Montana is 40 per week as of October 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.