Cheap flights from San Diego to San Jose from $69

The month of August is, on average, the cheapest month to fly to San Jose, California from San Diego, with most prices found around $154. If you are unable to visit San Jose, California during the month of August, then departing from San Diego during the month October is also very affordable. Most momondo users find prices during this month for around $157.

On average, the least expensive day to fly to San Jose, California from San Diego is on a Friday. momondo users have found tickets for Friday departures for as low as $181. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to San Jose, California for around $300.

The cheapest time of day to fly to San Jose, California is at noon when flights can be purchased for as low as $157. In the evening is when there is more demand to fly to San Jose, California, so prices are often more expensive at around $235 per ticket.

Fly from San Diego to San Jose for the best San Diego - San Jose flight prices

You are more likely to see cheaper flights to San Jose, California from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $212 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 San Diego for as low as $133 on momondo.

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

Delta is the most popular carrier operating from San Diego to San Jose

Southwest, United Airlines and Alaska Airlines are the top three most popular airlines that fly to San Jose, California from San Diego according to our data. Southwest is the first choice among our users, with 31% of people opting to fly with this airline when traveling to San Jose, California. Keep in mind that there are 9 different airlines that fly to San Jose, California on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between San Diego and San Jose have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

As of April 2026, 25 flights take off from San Diego and land in San Jose, California each day. The most common flight departure time for this route is 8:00PM, with 45% of daily flights taking off in the afternoon.

As of April 2026, there are 181 flights per week flying from San Diego to San Jose, California. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.