$165 Cheap Flights from Cancun (CUN) to San Antonio (SAT)

Find available prices by choosing your travel dates.

Cheap Flights from Cancun to San Antonio (CUN-SAT)

Prices were available within the past 7 days and start at $165 for one-way flights and $316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Volaris
Sun Country Airlines
Spirit Airlines
Volaris
Volaris
Spirit Airlines
Aeromexico
Southwest Airlines
Flights from Cancun (CUN) to San Antonio (SAT)
Origin airport
Cancun Intl.
Destination airport
San Antonio Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United, Viva Aerobus, Volaris
Roundtrip price
$315
Distance
931 mi

Cancun to San Antonio Flights

The cheapest times to fly from Cancun to San Antonio

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 Cancun to San Antonio are during the month of May. You can find some of the cheapest flights from Cancun to San Antonio with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Cancun to San Antonio

Sunday is one of the best days to book for cheap flights from Cancun to San Antonio: 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 Cancun to San Antonio

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 Cancun to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $165 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 Cancun to San Antonio 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 Cancun to San Antonio 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 Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT) cost?
Discover the latest flight deals from CUN to SAT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CUN to SAT?
The cheapest flights from CUN to SAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CUN to SAT?
Currently, the cheapest airline offering one-way flights from CUN to SAT is Sun Country Airlines. You can take off on this route from $187. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CUN on July 18 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT)?
There are no daily direct flights available from Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be soaring above the clouds before you know it.
What day of the week has the most flights from CUN to SAT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from CUN to SAT?
With 100% of journeys generally landing on time, United Airlines has the best on-time performance for direct flights from Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT). To keep track of your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT)?
Book a flight from Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour 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.
Is it cheaper to buy a plane ticket from Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from CUN to SAT are generally more expensive. To secure the cheapest rates, start searching for flights ahead of time. That said, if you’re flexible with your travel plans, it’s possible to score a cheap fare right before you leave.
Is it cheaper to book a CUN to SAT flight and hotel package?
Opting for a CUN to SAT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cancun Intl. Airport (CUN) to San Antonio Intl. Airport (SAT)?
In most cases, you’re able to reschedule or cancel your CUN to SAT flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.