Cheap flights from North America to San Antonio from $79

If you aren’t able to travel during the month of August, then book flights to San Antonio from North America during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $313.

The cheapest day to depart on your flight to San Antonio is on a Thursday when prices can be found for as low as $407. 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 $610.

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from North America to San Antonio in the afternoon for as low as $339. 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 morning, with an average ticket price of $462. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Las Vegas Harry Reid Intl to San Antonio for the best North America - San Antonio flight prices

You are more likely to see cheaper flights to San Antonio from North America when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $448 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from North America for as low as $224 on momondo.

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

United Airlines, Southwest, and Delta are the most popular carriers operating from North America to San Antonio

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to San Antonio from North America according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 12 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

As of May 2026, there are 104 flights per day flying from North America to San Antonio. The most common time of day flights depart is 6:00PM, with 50% of flights taking off in the evening.

As of May 2026, there are 733 flights per week flying from North America to San Antonio. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.