The best pricing can be found in the month of March. Prices to San Antonio from Cairns average $1,314. You can even find prices in March for less than $1,314, as users have found deals to San Antonio from as low as $904. The month of January appears to be one of the more expensive times to travel to San Antonio from Cairns. Flying in the targeted month can save you up to 76%.
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Cairns is roughly greater than that of San Antonio. You can assume this to be the case over the next 19 days.
Temperatures around the 36 °Cs can be experienced in August. The weather in San Antonio is hotter than in Cairns. Plan for potential changes in flight availability as peak weather approaches in this location.