$189 Cheap American Airlines flights San Antonio (SAT) to Cancun (CUN)

You’ll find affordable return American Airlines flights from $373 from SAT to CUN by sorting your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $189 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

October is one of the cheapest months to fly to Cancun with American Airlines. You could also find great prices on one-way and return fares in September.

Landing the best American Airlines deals from SAT to CUN often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. As an added bonus, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It’s a good idea to start searching for flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct trip from SAT to CUN with American Airlines or other airlines, check the “Nonstop” box when browsing for tickets.

Sort your results by “Early Morning” and “Morning” to see the earliest departures from SAT to CUN. Leaving early means you’re 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

American Airlines flights from San Antonio Intl. Airport (SAT) to Cancun touch down at Cancun Intl. Airport (CUN). This is the main entry point here.

Changes are often free within 24 hours of making your booking, but your airline may charge you after that. For further details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to update your itinerary without additional charges, check the “Changes included” and “No cancel fee” filters when organizing your next adventure.