Route

San Antonio to Cancún: what the flight costs

In the last 60 days we checked this route 3 times. The typical round trip was $393 per person and the lowest $387, taxes and fees included.

Per person
Lowest seen$387
Typical (median)$393
Price checks, 60 days3

Every fare we found in the last 30 days

CheckedTrip datesPer personAirlineStopsDurationSource
Oct 12, 2026Nov 14–21, 2026$393Y4 + VBwith a stop12h 4mKiwi.com
Oct 12, 2026Nov 14–21, 2026$393Y4 + VBwith a stop12h 4mKiwi.com
Oct 12, 2026Nov 14–21, 2026$387VB + Y4with a stop8h 25mKiwi.com

About Cancún

Cancún pairs Caribbean water the colour of a swimming pool with nonstop flights from almost every US hub, so it is the easy first trip to Mexico for beach, nightlife and Maya ruins.

Cancún from every city: when to go, where to stay, what to do

Questions about San Antonio to Cancún

What does a round trip from San Antonio to Cancún usually cost?

Over the last 60 days the typical price we found was $393 per person, taxes and fees included, across 3 checks; the lowest was $387.

When is the best time to fly from San Antonio to Cancún?

Cancún is at its best in November, December, January, February, March, April and May. Avoid August, September, October: Peak Atlantic hurricane season with the heaviest rain and humidity of the year.

Do I need a passport to fly from San Antonio to Cancún?

Yes, US citizens need a valid passport.