Cheap flights from San Antonio to San Francisco from $123

If you aren’t able to travel to San Francisco during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $339.

The cheapest day to depart from San Antonio to San Francisco is on a Thursday when prices can be found for as low as $476. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $920.

Our data shows that the cheapest San Antonio to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $653. Flights in the evening are often more expensive with an average ticket price of $1,479.

Fly from San Antonio to San Francisco for the best San Antonio - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from San Antonio for as low as $281 on momondo.

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

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

United Airlines, Southwest and Delta are the top three most popular airlines that fly to San Francisco from San Antonio according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 8 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Phoenix (PHX) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $236.

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 5h 49m.

Phoenix (PHX) has the shortest average layover time for this route: 0h 57m.

As of June 2026, there are 5 flights per day flying from San Antonio to San Francisco. The most common time of day flights depart is 7:00AM, with 72% of flights taking off at noon.

As of June 2026, 35 flights take off from San Antonio and land in San Francisco each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.