$127 Cheap Flights from San Antonio (SAT) to Mexico City (MEX)

Popular airlines from San Antonio International Airport (SAT) to Benito Juarez International Airport (MEX)

Cheap Flights from San Antonio to Mexico City (SAT-MEX)

Prices were available within the past 7 days and start at $127 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Delta
Viva
Aeromexico
Viva
Viva
United
American Airlines
Volaris
Delta

Find the cheapest month to fly from San Antonio (SAT) to Mexico City (MEX)

October is typically the cheapest month to fly

From $243 - $328 per traveler.

Graph displaying average flight prices per month

Flights from San Antonio (SAT) to Mexico City (MEX)
Origin airport
San Antonio Intl.
Destination airport
Mexico City Intl.
Airlines serving
Aeromexico, American Airlines, Delta, Frontier Airlines, United, Viva, Volaris
Roundtrip price
$266
Distance
698 mi
Average flight time
1 hour 9 mins

San Antonio to Mexico City Flights

The cheapest times to fly from San Antonio to Mexico City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Mexico City are during the month of October. You can find some of the cheapest flights from San Antonio to Mexico City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Mexico City

Sunday is one of the best days to book for cheap flights from San Antonio to Mexico City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Mexico City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Mexico City in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Mexico City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Mexico City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX) cost?
Cheap return flights from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX) start from $267. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Delta flight leaving SAT on August 11 2025 and touching down at MEX. The price was last updated on July 15 2025 and has not changed since.
What is the cheapest month to fly from SAT to MEX?
The cheapest flights from SAT to MEX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX)?
Enjoy an uninterrupted journey to Mexico City Intl. Airport (MEX). 3 carriers operate direct flights from San Antonio Intl. Airport (SAT), including:

  • Aeromexico
  • Volaris
  • VivaAerobus

What is the cheapest airline that flies from SAT to MEX?
At the moment, the cheapest carrier operating one-way flights from SAT to MEX is Volaris. You can take off on this route from $127. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAT on October 10 2025. Prices were last updated on July 15 2025 and have not changed since.
How many flights per day from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX)?
When flying out of San Antonio Intl. Airport (SAT), you'll have a choice from an average of 4 daily nonstop flights to Mexico City Intl. Airport (MEX).
What are the most popular departure times for flights from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX)?
More passengers fly between SAT and MEX at 11 AM than at any other time. Rather skip the crowds? Travel outside of rush hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from SAT to MEX?
Fly on a Friday if you're after the largest selection of flights from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX).
What is the earliest flight from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX)?
San Antonio Intl. Airport (SAT)'s earliest flight to Mexico City Intl. Airport (MEX) leaves at approximately 11:54AM UTC-6. With a travel duration of 2h 16m, you'll arrive at around 2:10PM UTC-6.
How long does it take to fly from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX)?
Typically, it takes 2 hours and 16 minutes to cover the 700 mi from SAT to MEX.
What airline has the least delays from SAT to MEX?
Consider traveling with Frontier Airlines if you'd like to fly straight from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX) without any delays. This airline has the best track record for punctuality, with an on-time score of 96%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX)?
Book a flight from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Mexico City from San Antonio Intl. Airport (SAT)?
Compare your flight options from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX). This is the only Mexico City airport you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX) last-minute?
Waiting until just before your departure to book a ticket from SAT to MEX often results in higher prices. While you may come across some last-minute deals, there's no guarantee. Be flexible with your itinerary to maximize your chances of getting a bargain.
Is it cheaper to book a SAT to MEX flight and hotel package?
You can save money by securing a SAT to MEX flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Mexico City Intl. Airport (MEX)?
Typically, it's possible to cancel or reschedule your SAT to MEX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.