Cheap flights from Nashville to San Antonio from $90

If you aren’t able to travel during the month of July, then book flights to San Antonio from Nashville during May instead. Flights to San Antonio in May, 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 Thursday when prices can be found for as low as $287. 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 $480.

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 $297. 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 $335 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 $137 on momondo.

There is only 1 cabin class available to choose from on Nashville Intl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 18% on your flight if you consider stops on a Nashville to San Antonio flight.

As of March 2026, prices for Nashville to San Antonio flights are approximately 10% more expensive when compared to flights at the same time last year.

Frontier, Delta, and United Airlines 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 46% 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: 71% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $307.

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.

1 flights are operational daily from Nashville to San Antonio as of March 2026. The most popular departure time for this route is 7:00AM, with 36% of flights per day taking off at noon.

The number of flights available between Nashville and San Antonio is 13 per week as of March 2026. The most frequent departure day is Mon, with 23% of weekly flights leaving on this day.