Cheap flights from California to San Antonio from $81

If you aren’t able to travel during the month of December, then book flights to San Antonio from California during January instead. Flights to San Antonio in January, while not as cheap as those in December, still average around $377.

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $390. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $501.

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from California to San Antonio in the evening for as low as $396. 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 morning, with an average ticket price of $432. Departure times in the morning 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 $390 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 $350 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, United 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 38% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

14 flights are operational daily from California to San Antonio as of November 2026. The most popular departure time for this route is 7:00PM, with 48% of flights per day taking off at noon.

As of November 2026, there are 101 flights per week flying from California to San Antonio. The most common day of the week flights depart is Mon, with 23% of flights taking off on this day.