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Hours and Prices

The Zoo is Free

Spring Hours

9 a.m.–5 p.m. daily
March 2 through May 23, 2024

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

Summer, Fall and Winter Hours

Click to expand the block and see the hours for each season.

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.

Paid Attractions

The Zoo is always free. Paid attractions are included in the Adventure Pass.

Experience more for less

Adventure Pass

Save with a Zoo Membership!

Want FREE parking, FREE rides on Zooline Railroad, and FREE admission to Sea Lion Show and other attractions? Don’t pass on this great value!

Get it all with your membership

Group Discounts

Learn about discounts for groups of guests

Group Discounts