Cancun CUN
$121
SAT → CUN · Viva Aerobus
FFL Helper / San Antonio / Cancun
SAT → CUN
Compare one-way fares for flights from San Antonio to Cancun.
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By month: August 2026 from $150 · September 2026 from $121
From $150
From $121
This calendar shows dated one-way fares from San Antonio to Cancun. Use it to see which days are cheaper before you search tickets.
Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book San Antonio to Cancun.