All guests, including Zoo members, must now reserve free, timed tickets prior to visiting.



June 13 – August 15

  • Sunday through Thursday: 8 a.m. to 5 p.m.
  • Friday and Saturday: 8 a.m. to 7 p.m.

Timed reservations are required to visit the Zoo. Please arrive at the Zoo within your reserved time slot.
Once at the Zoo, you may stay as long as you wish.

August 16 – September 4

  • Daily: 9 a.m. to 5 p.m.

September 5 – 7

  • Daily: 8 a.m. to 7 p.m.

September 8 – October 15

  • Daily: 9 a.m. to 5 p.m.

 Please check the calendar below for the hours on the day of your visit.

*During Boo at the Zoo and Wild Lights, the Zoo will close to the public at 4 p.m. each night (all pathways, exhibits, and attractions will no longer be open.) Doors will re-open at 5:30 p.m. for the event. Zoo visitors who are planning to attend the same day may receive a sticker (with purchase of event ticket) from a Welcome Desk before 4 p.m. which will allow them to stay on grounds until the event begins. At 4 p.m., security personnel will be asking all guests to move toward the center of the Zoo where Lakeside Cafe will remain open for refreshments.


Admission to the Zoo is free; however, there are fees for some attractions.



Included with the Adventure PassNotes
Sea Lion Show $3.95 per person  Yes* Children under 2 are free. (Seasonal)
Children's Zoo Free No The Children's Zoo is temporary CLOSED
Conservation Carousel $2.95 per person Yes Children under 2 are free. All other persons require admission. All proceeds support the Saint Louis Zoo's conservation programs.
Stingrays at Caribbean Cove $3.95 per person Yes* Children under 2 are free. (Seasonal)
Zooline Railroad $7.95 per person Yes Includes all day on-off privileges. Children under 2 are free.
4-D Theater $3.95/members $4.95/non-members No The 4D Theater is temporary CLOSED
Wild Wonder Outpost $2/members; 
No The Wild Wonder Outpost temporary CLOSED

Attractions are weather dependent and subject to change. 

Please note that during winter operating hours, attractions may not operate based on schedules. Forecast temperatures must reach the mid 50’s with no precipitation to allow for safe operation of the carousel, railroad and 4D Theater. 

*Stingrays at Caribbean Cove and the First Bank Sea Lion Show are seasonal. 

Stingrays at Caribbean Cove

Zooline Railroad

Conservation Carousel

Sea Lion Show

Adventure Passes

Enjoy a full day at the Zoo with all the amenities with the Adventure Pass!

Save with Adventure Passes