Cheap flights from Nashville to San Antonio from $95

If you aren’t able to travel during the month of July, then book flights to San Antonio from Nashville during August instead. Flights to San Antonio in August, while not as cheap as those in July, still average around $310.

The cheapest day to depart on your flight to San Antonio is on a Sunday when prices can be found for as low as $347. 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 $568.

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Nashville to San Antonio at noon for as low as $327. 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 evening, with an average ticket price of $434. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Nashville Intl to San Antonio for the best Nashville Intl - San Antonio flight prices

You are more likely to see cheaper flights to San Antonio from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Nashville for as low as $235 on momondo.

You could potentially save up to 8% on your flight if you consider stops on a Nashville to San Antonio flight.

As of May 2026, prices for Nashville to San Antonio flights are approximately 1% more expensive when compared to flights at the same time last year.

Southwest and Delta are the most popular carriers operating from Nashville Intl to San Antonio

Southwest, Delta and American Airlines are the top three most popular airlines that fly to San Antonio from Nashville according to our data. Southwest is the first choice among our users, with 49% 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.

Dallas (DFW) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Houston (IAH) offer the lowest average round-trip price of $360.

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 4h 27m.

Dallas (DFW) has the shortest average layover time for this route: 1h 03m.

2 flights are operational daily from Nashville to San Antonio as of May 2026. The most popular departure time for this route is 7:00AM, with 40% of flights per day taking off in the evening.

The number of flights available between Nashville and San Antonio is 15 per week as of May 2026. The most frequent departure day is Sun, with 27% of weekly flights leaving on this day.