Cheap flights from El Paso to San Antonio from $66

If you aren’t able to travel during the month of September, then book flights to San Antonio from El Paso during October instead. Flights to San Antonio in October, while not as cheap as those in September, still average around $282.

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $292. 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 $388.

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from El Paso to San Antonio in the evening for as low as $305. 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 $373. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from El Paso to San Antonio for the best El Paso - San Antonio flight prices

You are more likely to see cheaper flights to San Antonio from El Paso when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $307 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from El Paso for as low as $169 on momondo.

There is only 1 cabin class available to choose from on El Paso 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 38% on your flight if you consider stops on a El Paso to San Antonio flight.

As of February 2026, prices for El Paso to San Antonio flights are approximately 87% more expensive when compared to flights at the same time last year.

Frontier, Southwest, and United Airlines are the most popular carriers operating from El Paso to San Antonio

Southwest, Frontier and American Airlines are the top three most popular airlines that fly to San Antonio from El Paso according to our data. Southwest is the first choice among our users, with 78% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.