$120 Cheap Flights from San Antonio (SAT) to Cancun (CUN)

View $120 flight on Mon, Aug 4, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Cancun Intl. Airport (CUN)

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

Prices were available within the past 7 days and start at $120 for one-way flights and $310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sun, Aug 24 - Thu, Aug 28
SAT
San Antonio
CUN
Cancun
$310 Roundtrip, just found
$310
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Aug 24 from San Antonio to Cancun, returning Thu, Aug 28, priced at $310 just found
Spirit Airlines
Thu, Oct 16 - Tue, Oct 21
SAT
San Antonio
CUN
Cancun
$314 Roundtrip, found 6 hours ago
$314
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Thu, Oct 16 from San Antonio to Cancun, returning Tue, Oct 21, priced at $314 found 6 hours ago
Volaris
Sat, Oct 4 - Sat, Oct 11
SAT
San Antonio
CUN
Cancun
$317 Roundtrip, found 1 hour ago
$317
Roundtrip
found 1 hour ago
Select Volaris flight, departing Sat, Oct 4 from San Antonio to Cancun, returning Sat, Oct 11, priced at $317 found 1 hour ago
Spirit Airlines
Thu, Oct 16 - Mon, Oct 20
SAT
San Antonio
CUN
Cancun
$317 Roundtrip, found 4 hours ago
$317
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Thu, Oct 16 from San Antonio to Cancun, returning Mon, Oct 20, priced at $317 found 4 hours ago
Volaris
Sat, Oct 25 - Mon, Oct 27
SAT
San Antonio
CUN
Cancun
$318 Roundtrip, just found
$318
Roundtrip
just found
Select Volaris flight, departing Sat, Oct 25 from San Antonio to Cancun, returning Mon, Oct 27, priced at $318 just found
Volaris
Mon, Sep 8 - Sun, Sep 14
SAT
San Antonio
CUN
Cancun
$320 Roundtrip, found 2 hours ago
$320
Roundtrip
found 2 hours ago
Select Volaris flight, departing Mon, Sep 8 from San Antonio to Cancun, returning Sun, Sep 14, priced at $320 found 2 hours ago
Sun Country Airlines
Sun, Aug 3 - Wed, Aug 13
SAT
San Antonio
CUN
Cancun
$321 Roundtrip, found 7 hours ago
$321
Roundtrip
found 7 hours ago
Select Sun Country Airlines flight, departing Sun, Aug 3 from San Antonio to Cancun, returning Wed, Aug 13, priced at $321 found 7 hours ago
Volaris
Tue, Oct 28 - Thu, Oct 30
SAT
San Antonio
CUN
Cancun
$321 Roundtrip, just found
$321
Roundtrip
just found
Select Volaris flight, departing Tue, Oct 28 from San Antonio to Cancun, returning Thu, Oct 30, priced at $321 just found
Southwest Airlines
Tue, Sep 16 - Fri, Sep 26
SAT
San Antonio
CUN
Cancun
$354 Roundtrip, found 7 hours ago
$354
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Sep 16 from San Antonio to Cancun, returning Fri, Sep 26, priced at $354 found 7 hours ago
Aeromexico
Tue, Sep 2 - Tue, Sep 9
SAT
San Antonio
CUN
Cancun
$362 Roundtrip, found 4 hours ago
$362
Roundtrip
found 4 hours ago
Select Aeromexico flight, departing Tue, Sep 2 from San Antonio to Cancun, returning Tue, Sep 9, priced at $362 found 4 hours ago

Find the cheapest month to fly from San Antonio (SAT) to Cancun (CUN)

September is typically the cheapest month to fly

From $239 - $338 per traveler.

Graph displaying average flight prices per month

Alternative airports near Cancun

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cancun Intl. CUN. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $404
CUN
Cancun Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $404
Flights from San Antonio (SAT) to Cancun (CUN)
Origin airport
San Antonio Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United, Viva, Volaris
Roundtrip price
$309
Distance
931 mi
Average flight time
1 hour 35 mins

San Antonio to Cancun Flights

The cheapest times to fly from San Antonio to Cancun

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

 

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

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

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 Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 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 Cancun 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 Cancun 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 Cancun Intl. Airport (CUN) cost?
Cheap return flights from San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN) start at $345. 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 Sun Country Airlines flight leaving SAT on July 28 2025 and touching down at CUN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SAT to CUN?
The cheapest flights from SAT to CUN 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 SAT to CUN?
At the moment, the cheapest airline offering one-way flights from SAT to CUN is Sun Country Airlines. You can jet off on this route from $120. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAT on August 4 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN)?
You'll need to hop on a flight with a layover if you're traveling from San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SAT to CUN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SAT to CUN?
Sun Country Airlines has the best performance for on-time direct flights from San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN), with an on-time rating of 100%. Use the Expedia App to view your flight schedule before you jet off and get notified of any trip changes.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN)?
To touch down at Cancun Intl. Airport (CUN) on time, opt for a flight that leaves San Antonio Intl. Airport (SAT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN) last-minute?
Booking your flight from SAT to CUN right before your journey is usually more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SAT to CUN flight and hotel package?
Booking a SAT to CUN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of accommodations and then add activities, car rentals and flights 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 San Antonio Intl. Airport (SAT) to Cancun Intl. Airport (CUN)?
In most cases, you can modify or cancel your SAT to CUN flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.