Daytime Admission Hours
The Houston Zoo is open from 9:00 a.m. – 5:00 p.m.
Last entry is at 4:00 p.m.
Open 7 days a week.
Online reservations for timed tickets are required for all non-member guests. Members are not required to make online reservations to visit the Zoo.
Ticket holders can enter any time after your ticket’s listed arrival time. You are welcome to enjoy the Zoo until we close at 5:00 p.m. Last entry is at 4:00 p.m.
Tickets will NOT be sold on-site at the Zoo. We do not offer refunds and exchanges.