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Hours and Prices

The Zoo is always free

Spring Hours

March 4 - May 25, 2023
9 a.m. - 5 p.m.

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

Summer Hours

May 26 - May 29 (Memorial Day Weekend): 8 a.m. to 6:30 p.m.

Following Memorial Day weekend, the Zoo will be open 8 a.m. to 5 p.m. on Sundays through Thursdays, and 8 a.m. to 6:30 p.m. on Fridays and Saturdays.

August 21 - September 1: 9 a.m. to 5 p.m.

September 2- September 4 (Labor Day Weekend): 8 a.m. to 6:30 p.m.

September 5- October 11: 9 a.m. to 5 p.m.

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

Paid Attractions

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