Cheap flights from San Antonio to Mexico City from $84

The cheapest month to fly to Mexico City from San Antonio is in September. Flight prices, which tend to average around $237, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Mexico City from San Antonio during February instead. Flights to Mexico City in February, while not as cheap as those in September, still average around $238.

Our data shows that Thursday is the least expensive day to fly to Mexico City. Tickets to fly out on this day can be as low as $268. On the other hand, Sunday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $300.

According to our data, the cheapest time of day to fly to Mexico City is in the morning. momondo users have found flights departing from San Antonio to Mexico City in the morning for as low as $267. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Mexico City, so prices are often more expensive at around $338 per ticket.

Fly from San Antonio to Mexico City Benito Juarez for the best San Antonio - Mexico City Benito Juarez flight prices

You are more likely to see cheaper flights to Mexico City from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $271 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from San Antonio for as low as $229 on momondo.

You could potentially save up to 37% on your flight if you consider stops on a San Antonio to Mexico City flight.

As of May 2026, prices for San Antonio to Mexico City flights are approximately 18% cheaper when compared to flights at the same time last year.

Viva and Volaris are the most popular carriers operating from San Antonio to Mexico City Benito Juarez

Viva, Aeromexico and Delta are the top three most popular airlines that fly to Mexico City from San Antonio according to our data. Viva is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Mexico City. Keep in mind that there are 7 different airlines that fly to Mexico City on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between San Antonio and Mexico City have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

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

Saturday 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, Aeromexico have had the least number of delays on this route over the last 12 months; with about 5% of their flights experiencing any sort of delay.

Houston (IAH) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Monterrey (MTY) offer the lowest average round-trip price of $286.

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 4h 22m.

Houston (IAH) has the shortest average layover time for this route: 2h 03m.

As of May 2026, there are 3 flights per day flying from San Antonio to Mexico City. The most common time of day flights depart is 1:00PM, with 61% of flights taking off in the afternoon.

The number of flights available between San Antonio and Mexico City is 22 per week as of May 2026. The most frequent departure day is Fri, with 23% of weekly flights leaving on this day.