Cheap flights from California to San Antonio from $69

If you aren’t able to travel during the month of September, then book flights to San Antonio from California during August instead. Flights to San Antonio in August, while not as cheap as those in September, still average around $187.

The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $236. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $292.

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from California to San Antonio at noon for as low as $163. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $279. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from San Diego to San Antonio for the best California - San Antonio flight prices

You are more likely to see cheaper flights to San Antonio from California when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $259 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from California for as low as $185 on momondo.

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

Frontier, Southwest, and Delta are the most popular carriers operating from California to San Antonio

Southwest, American Airlines and Delta are the top three most popular airlines that fly to San Antonio from California according to our data. Southwest is the first choice among our users, with 35% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 9 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

25 flights are operational daily from California to San Antonio as of March 2026. The most popular departure time for this route is 6:00PM, with 48% of flights per day taking off in the evening.

As of March 2026, there are 176 flights per week flying from California to San Antonio. The most common day of the week flights depart is Fri, with 21% of flights taking off on this day.