Cheap flights from California to Montana from $66

The cheapest month to fly to Montana from California is in January. Flight prices, which tend to average around $327, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Montana, with average flight prices from California averaging around $358.

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 $337. The most expensive day to fly to Montana is Thursday, with ticket prices averaging around $417.

The cheapest time of day to fly to Montana is in the evening when flights can be purchased for as low as $358. In the morning is when there is more demand to fly to Montana, so prices are often more expensive at around $381 per ticket.

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

You are more likely to see cheaper flights to Montana from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from California for as low as $296 on momondo.

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

Delta, United Airlines, and Southwest are the most popular carriers operating from California to Montana

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Montana from California 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 7 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 8 flights per day flying from California to Montana. The most common time of day flights depart is 12:00PM, with 66% of flights taking off in the afternoon.

As of September 2026, 60 flights take off from California and land in Montana each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.