Cheap flights from San Jose, California to San Diego from ₹ 5,596

In general, September is the cheapest month to fly from San Jose, California to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 17,452. If you are unable to visit San Diego during the month of September, then departing from San Jose, California during the month August is also very affordable. Most momondo users find prices during this month for around ₹ 20,203.

The cheapest day to depart on your flight to San Diego is on a Saturday when prices can be found for as low as ₹ 14,973. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Diego is Monday, with ticket prices averaging around ₹ 41,430.

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as ₹ 31,092. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are ₹ 34,454 on average. Flights to San Diego from San Jose, California in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to San Diego from San Jose, California when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around ₹ 23,428 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from San Jose, California for as low as ₹ 17,263 on momondo.

There is only 1 cabin class available to choose from on San Jose, California to San Diego 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 San Diego.

As of October 2026, prices for San Jose, California to San Diego flights are approximately 96% more expensive when compared to flights at the same time last year.

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

Alaska Airlines, Frontier and Hawaiian Airlines are the top three most popular airlines that fly to San Diego from San Jose, California according to our data. Alaska Airlines is the first choice among our users, with 46% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between San Jose and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

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

Saturday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

The number of flights available between San Jose, California and San Diego is 19 per day as of October 2026. The most frequent departure time is 15:00, with 49% of daily flights leaving at midday.

As of October 2026, 139 flights take off from San Jose, California and land in San Diego each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.