Bring your little ghouls and goblins for a non-scary, kid-friendly Halloween experience. Children are encouraged to wear costumes. Children 12 and under will receive a treat bag upon exiting. Boo at the Zoo is not a trick-or-treating experience.

Nightly, October 15–30, 2019  
*5:30 to 8:30 p.m. 

#BooAtTheZoo     #stlzoo      #FallAtTheZoo    #StlZooBoo


Admission includes entrance to Boo at the Zoo, the Mary Ann Lee Conservation Carousel and the 4D Theater featuring "Happy Family 4D."

$7 for Zoo members (ages 2+) 

Purchase Zoo Member Tickets

$8 for non-members (ages 2+)

Purchase General Admission Tickets

Free for children under age 2
$1 discount for children ages 2 to 12 in costume with on-site ticket purchase
Purchase your tickets online below or at a Zoo entrance the night of the event.

Coming with a Group of 15 or More?

Groups of 15 or more may receive a group rate of $7 per person by calling in advance. (Costume discount does not apply for group ticket purchases.) To order tickets for groups of 15 or more, call (314) 646-4781 starting in mid-SeptemberTickets must be ordered by 11 a.m. Monday through Friday only.

More Than Just Decorated Grounds!

Festive Fun and Activities

Take a break from the Halloween action at the kids’ game area behind Stingrays at Caribbean Cove presented by SSM Health. 

Find educational activity stations around the Zoo and learn about some of the Zoo’s creepier animals!

Look hauntingly good as you stick your face into bodies of a ghost, pumpkin, Frankenstein or mummy for spooky photos.

Take a spin on the not-so-spooky "Scare-ou-sel,” the Conservation Carousel is draped in cobwebs! Also, be sure to visit the Haunted 4D Theater for a showing of "Happy Family 4D."  (Free with Boo at the Zoo admission.) 

One, two, three…say cheese! There are 10-foot tall Halloween statues lurking around Historic Hill, perfect for spooky selfies. These gentle giants include a skeleton, dragon and snake. Also perfect for pictures is our light-up Saint Louis Zoo sign, which will glow in the dark as night falls. 

Get lost in a world of orange at our pumpkin maze, located at the south entrance.

Animal Encounters

Here’s a spooky good deal—Stingrays at Caribbean Cove is only $2 per person (normally $3.95 per person).

At the Charles H. Hoessle Herpetarium, check out the turtles, tortoises, frogs, toads, snakes, lizards and more

For a little more hocus pocus, check out the Emerson Children’s Zoo and see some a variety of animals, from fennec foxes to Tasmanian devils.

Catch a glimpse of sea lions and harbor seals taking a nighttime swim as you walk through the Holekamp Aqua Tunnel, located at the Judy and Jerry Kent Family Sea Lion Sound.

Please note, these are the only animal exhibits open at night during the event.

Nightly Entertainment!

Get pumped for some spooktacular nightly entertainment acts! Shows are offered at 6:30 and 7:30 p.m. inside the Sea Lion Sound arena and are FREE with paid admission to Boo at the Zoo.

Tickets will be handed out on a first-come, first-served basis outside the Sea Lion Sound ticket booth, so be sure to stop by early!


  • Juggling Jeff: 
    October 15, 17, 20, 21, 23, 25, 28, 30
  • Chef Bananas: 
    16,19, 22, 24, 26, 29
  • Enchanted Events Character Singalong: 
    October 18 & 27

Food and Souvenirs

Taste what's brewing at Lakeside Cafe, Safari Grill, Tundra Treats, Carousel Cafe, Ray's Snack Shack, Sweet & Salty Co. and River Camp Cafe.

Visit Candy Crossing for Halloween-themed treats (like pumpkin and caramel apple pie fudge), and grab a fall-flavored drink from Starbucks! Enjoy your treats on our brand-new deck overlooking the lake, located behind the shops.  

Shop the Halloween Boo-tique at Treetop Shop and Safari Shop for souvenirs. Receive 10 percent (20 percent for members) off of any purchase.


Free parking is available on the North and South Lots during the event. 

Get detailed directions

Halloween Costume Policy

We welcome all visitors to get into the Halloween spirit and dress up for this event. However, the Zoo is a family-friendly place, and we have policies in place so little ones don't go "boo-hoo" at Boo at the Zoo:

  • Scary costumes are not permitted
  • Facial features on guests age 13 and older must be recognizable (no masks, no face paint that completely conceals the face)
  • Costume appropriateness is up to the discretion of Zoo security
  • See full costume policy here

A Spooky Look at Boo at the Zoo

BOO-tiful T-shirt

“It’s alive!” A Halloween classic meets the Zoo in this T-shirt, with a western lowland gorilla as Frankenstein. Prices range from $11-$19 for toddler to adult sizes. The white long-sleeved T-shirts will be available for purchase at Safari Shop and Treetop Shop while supplies last.

Candy Shopping Guide

Protect orangutans by purchasing candy that uses sustainable palm oil! Use this orangutan-friendly sustainable palm oil Halloween candy list.

Learn More


Saturdays and Sundays:
October 19 and 20
October 26 and 27
9 a.m. to 4 p.m.

New this year! Come to the Zoo dressed in family-friendly costumes, and as you walk around to see the animals, you’ll find non-scary Halloween decorations around Zoo grounds. Plus, enjoy special discounts and fall-themed menus. The animals will get in on the fun, too—watch as they receive special pumpkin enrichment


How Do You Boo?

Show us your spooky side by snapping a picture at Boo at the Zoo and share it with us on Instagram. Two lucky winners will win four tickets to our holiday lights event, U.S. Bank Wild Lights and a $75 Zoo gift card! To participate, share the pic on Instagram using the hashtag #StlZooBoo. (Make sure your profile is public!) Upload the photo during your visit using our brand-new Wi-Fi powered by Mid America Chevy Dealers. 

#StlZooBoo Instagram Contest

No reservations necessary.

*The Zoo will close to the public at 4 p.m. each night of Boo at the Zoo (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 Boo at the Zoo 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.

Purchase tickets online, or at the door on night of the event. Discounts do not apply when purchasing tickets online or by phone. The Zoo's wheelchair, stroller and ECV rental fees apply for this event.


  • SSM Health Cardinal Glennon Children’s Hospital
  • Mid America Chevy Dealers
  • Wells Fargo Advisors
  • Prairie Farms Dairy
  • First Watch Restaurants

Media Support

  •  106.5 The Arch
  • 92.3 New Country


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To learn more about sponsorship opportunities for Boo at the Zoo or other Zoo special events, please contact