Cheap flights from San Jose, California to Boise from $87

The month of January is, on average, the cheapest month to fly to Boise from San Jose, California, with most prices found around $157. If you aren’t able to travel during the month of January, then book flights to Boise from San Jose, California during February instead. Flights to Boise in February, while not as cheap as those in January, still average around $186.

Our data shows that Monday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $307. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $356. 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 San Jose, California to Boise flights are usually those with departure times in the evening. Our users have found flights to Boise in the evening for as low as $307. At noon is when there is more demand to fly to Boise, so prices are often more expensive at around $377 per ticket.

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

You are more likely to see cheaper flights to Boise from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from San Jose, California for as low as $183 on momondo.

There are 3 cabin classes available to choose from on San Jose, California to Boise flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between San Jose, California to Boise.

As of July 2026, prices for San Jose, California to Boise flights are approximately 169% more expensive when compared to flights at the same time last year.

Frontier and Alaska Airlines are the most popular carriers operating from San Jose to Boise Air Term. Gowen Fld

United Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to Boise from San Jose, California according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 5 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.

The number of flights available between San Jose, California and Boise is 2 per day as of July 2026. The most frequent departure time is 7:00PM, with 73% of daily flights leaving in the evening.

As of July 2026, there are 15 flights per week flying from San Jose, California to Boise. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.