Cheap flights from California to Boise from $23

The month of January is, on average, the cheapest month to fly to Boise from California, with most prices found around $265. If you aren’t able to travel during the month of January, then book flights to Boise from California during April instead. Flights to Boise in April, while not as cheap as those in January, still average around $266.

Our data shows that Saturday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $264. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $395. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

Our data shows that the cheapest California to Boise flights are usually those with departure times in the afternoon. Our users have found flights to Boise in the afternoon for as low as $227. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $340 per ticket.

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

You are more likely to see cheaper flights to Boise from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from California for as low as $182 on momondo.

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

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from California to Boise Air Term. Gowen Fld

Alaska Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Boise from California according to our data. Alaska Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 8 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.

As of August 2026, 41 flights take off from California and land in Boise each day. The most common flight departure time for this route is 7:00PM, with 55% of daily flights taking off in the evening.

As of August 2026, 289 flights take off from California and land in Boise each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.