$169 Find Cheap Flights from Cancun to San Antonio - Compare and Save

Among airlines operating Cancún to San Antonio flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Southwest operates flights between Cancún and San Antonio.

Flights from Cancún to San Antonio usually depart from Cancun (CUN) and arrive at San Antonio (SAT).

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Cancún to San Antonio:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $288 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $370 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $37–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by Sun Country Air. Other aircraft seen on the route include Boeing 737-700 Passenger/BBJ1 (winglets) variants.

One-stop flights from Cancún to San Antonio most commonly connect through:

• Monterrey Gen Mariano Escobedo (MTY) - 38% of one-stop connections
• Guadalajara Miguel Hidal (GDL) - 18% of one-stop connections
• Mexico City Benito Juarez (MEX) - 18% of one-stop connections
• Houston George Bush Intcntl (IAH) - 15% of one-stop connections

Monterrey Gen Mariano Escobedo (MTY) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 41% on the Cancún to San Antonio route. Friday is the cheapest departure day at $365 round-trip on average, while Sunday is the most expensive at $616, a difference of $251. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

These are the earliest and latest flight times available from Cancún to San Antonio:

• Earliest: departs at 2:35 pm and lands at 5:18 pm
• Latest: departs at 4:45 pm and lands at 7:28 pm.

The flight takes about 2h 43m.

A nonstop flight from Cancún to San Antonio takes 2h 43m, covering 930 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $308 to $2,121. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Cancún to San Antonio are currently lower than usual. Average one-way flight prices are about $174, which is 34% below the typical average for this route.

Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 5h 23m, compared with 5h 30m via Dallas/Fort Worth (DFW) and 7h 06m via Monterrey Gen Mariano Escobedo (MTY).

San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
• Europcar
• Fox
• Dollar
• Hertz
• Alamo

Round-trip flights from Cancún to San Antonio range from $347 to $413, with an average of $373 over the past 12 months. Anything below $347 counts as a good deal.