Cheap flights from San Jose, California to Boise from $69

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 Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $237. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $379. 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 at noon. Our users have found flights to Boise at noon for as low as $232. In the afternoon is when there is more demand to fly to Boise, so prices are often more expensive at around $307 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 $276 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.

You could potentially save up to 14% on your flight if you consider stops on a San Jose, California to Boise flight.

As of April 2026, prices for San Jose, California to Boise flights are approximately 5% more expensive when compared to flights at the same time last year.

Alaska Airlines and Southwest 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 52% 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 1 per day as of April 2026. The most frequent departure time is 7:00PM, with 70% of daily flights leaving in the evening.

As of April 2026, there are 11 flights per week flying from San Jose, California to Boise. The most common day of the week flights depart is Mon, with 27% of flights taking off on this day.