Cheap flights from Monterrey to San Antonio from $142

If you aren’t able to travel during the month of February, then book flights to San Antonio from Monterrey during November instead. Flights to San Antonio in November, while not as cheap as those in February, still average around $237.

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $233. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $319.

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 Monterrey to San Antonio in the morning for as low as $248. 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 afternoon, with an average ticket price of $253. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Monterrey Gen Mariano Escobedo to San Antonio for the best Monterrey Gen Mariano Escobedo - San Antonio flight prices

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

As of September 2026, prices for Monterrey to San Antonio flights are approximately 2% cheaper when compared to flights at the same time last year.

Historically, on average around 11% of flights between Monterrey and San Antonio have experienced a delay on any given week. The average delay length over the past 12 months has been 82 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Viva have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.