Cheap flights from Boise to California from $50

The month of September is another great option to travel to California, with average flight prices from Boise averaging around $268.

The cheapest day to depart from Boise to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $359. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $589.

The cheapest time of day to fly to California is at noon when flights can be purchased for as low as $249. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $528 on average. Flights to California from Boise in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Boise Air Term. Gowen Fld to Ontario for the best Boise Air Term. Gowen Fld - California flight prices

You are more likely to see cheaper flights to California from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $303 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Boise for as low as $242 on momondo.

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

Southwest, Delta, and Allegiant Air are the most popular carriers operating from Boise Air Term. Gowen Fld to California

Alaska Airlines, Southwest and United Airlines are the top three most popular airlines that fly to California from Boise according to our data. Alaska Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

43 flights are operational daily from Boise to California as of October 2026. The most popular departure time for this route is 7:00AM, with 49% of flights per day taking off at noon.

As of October 2026, 305 flights take off from Boise and land in California each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.