Memorial Day Weekend
Friday-Monday, May 24-27, 2024
8 a.m.–6:30 p.m.

May 28 through Aug. 18, 2024
8 a.m.–5 p.m. — Sunday–Thursday
8 a.m.–6:30 p.m. — Friday–Saturday

Friday, June 21, 2024
8 a.m.–noon
Zoo closes early for ZOOFARI

Wednesday, Aug. 7, 2024
8 a.m.-4 p.m.

Aug. 19-30, 2024
9 a.m.–5 p.m. daily**

Friday, Aug. 23, 2024
9 a.m.–3 p.m.
Zoo closes early for Jammin' at the Zoo

Labor Day Weekend
Saturday-Monday, Aug. 31-Sept. 2, 2024
8 a.m.–6:30 p.m.

The Saint Louis Zoo's operating hours are subject to change.

Sept. 3 through Oct. 8, 2024
9 a.m.–5 p.m. daily*

*Friday, Sept. 27, 2024
9 a.m.–4 p.m.

Oct. 9 through Dec. 30, 2024
9 a.m.–4 p.m. daily, except holidays

Holiday Hours 2024:
Nov. 28 (Thanksgiving Day) — 9 a.m.–2 p.m.
Dec. 24 (Christmas Eve) — 9 a.m.–2 p.m.
Dec. 25 (Christmas Day) — Zoo closed
Dec. 31 (New Year's Eve) — 9 a.m.–3 p.m.

Jan. 1, 2025, (New Year's Day) — Zoo closed

Check back for 2025 hours.