Cheap flights from Indiana to San Antonio from $111

If you aren’t able to travel during the month of December, then book flights to San Antonio from Indiana during November instead. Flights to San Antonio in November, while not as cheap as those in December, still average around $160.

You are more likely to see cheaper flights to San Antonio from Indiana when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Indiana for as low as $194 on momondo.

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

Delta, Southwest and American Airlines are the top three most popular airlines that fly to San Antonio from Indiana according to our data. Delta is the first choice among our users, with 30% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 6 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

184 flights are operational weekly from Indiana to San Antonio as of June 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

Flight times vary depending on what airport in Indiana you fly out of and what airport in San Antonio you fly into. For example, flying from Indianapolis to Austin takes 2h 25m on average. On the other hand, flying from Fort Wayne to Austin takes 4h 43m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.