San Antonio Zoo Free Days 2025. Discover over 25 top san antonio attractions and save up to 50% with go city. The first 1,000 guests who register for our school discovery day event will also enjoy free admission to the san antonio zoo.

The first 1,000 guests who register for our school discovery day event will also enjoy free admission to the san antonio zoo. Immerse yourself in neotropica with the feel of a remote south american fishing village.