Cheap flights from Boise to San Jose from $109

The month of October is, on average, the cheapest month to fly to San Jose, California from Boise, with most prices found around $177. If you are unable to visit San Jose, California during the month of October, then departing from Boise during the month September is also very affordable. Most momondo users find prices during this month for around $256.

On average, the least expensive day to fly to San Jose, California from Boise is on a Saturday. momondo users have found tickets for Saturday departures for as low as $247. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boise to San Jose, California for around $357.

The cheapest time of day to fly to San Jose, California is at noon when flights can be purchased for as low as $283. In the morning is when there is more demand to fly to San Jose, California, so prices are often more expensive at around $327 per ticket.

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

You are more likely to see cheaper flights to San Jose, California from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose, California from Boise for as low as $191 on momondo.

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

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

United Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to San Jose, California from Boise according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to San Jose, California. Keep in mind that there are 5 different airlines that fly to San Jose, California on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 3 flights per day flying from Boise to San Jose, California. The most common time of day flights depart is 7:00AM, with 70% of flights taking off at noon.

As of June 2026, 21 flights take off from Boise and land in San Jose, California each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.