This October 2011, the San Diego Zoo and San Diego Zoo Safari Park is offering free kids admission for ages 3 to 11 years old! Regular kids admission is normally at least $30 per park, so free admission for the month of October is a great deal.
These parks are very kid friendly, here are a few links to help you plan your day at the zoo.
Date: October 1 – 31, 2011
Price: Free for kids 3 -11 yrs old.
Location: San Diego Zoo and San Diego Zoo Safari Park
— Get more details of this offer at the San Diego Zoo free kids admission page.
Note that the San Diego Zoo and the Safari park are about 35 miles apart so if you plan on visiting both, allow at least an hour for travel time.