Cheap flights from Louisiana to San Antonio from $105

If you aren’t able to travel during the month of December, then book flights to San Antonio from Louisiana during June instead. Flights to San Antonio in June, while not as cheap as those in December, still average around $118.

The cheapest day to depart on your flight to San Antonio is on a Thursday when prices can be found for as low as $299. 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 $527.

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from Louisiana to San Antonio in the morning for as low as $329. 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 at noon, with an average ticket price of $371. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from New Orleans Louis Armstrong to San Antonio for the best Louisiana - San Antonio flight prices

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

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

Southwest, United Airlines and Delta are the top three most popular airlines that fly to San Antonio from Louisiana according to our data. Southwest is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

The number of flights available between Louisiana and San Antonio is 5 per week as of May 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

Flight times vary depending on what airport in Louisiana you fly out of and what airport in San Antonio you fly into. For example, flying from New Orleans to Austin takes 1h 25m on average. On the other hand, flying from Baton Rouge to Austin takes 3h 16m 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.