Halloween 2019 events in St. Louis

Trick or Treating at the Brentwood Library

Stop by the Brentwood Public Library anytime between 9 a.m. and 8 p.m. for free indoor trick or treating.

Take your kids for some free indoor trick or treating at West County Center mall. Visit participating stores that will be giving out candy for little ghouls and goblins.

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Mini Monster Mash at the Youth Activity Park

This Mini Monster Mash is designed for kids 8 and under, so it's full of non-scary fun! Costumed kids will enjoy s'mores as they decorate pumpkins. Everyone gets to take home a treat-filled goody bag.

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Halloween Happenings and Trick or Treating in University City

Trick or treating is free for children up to age 12 and no registration is necessary.

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Pumpkin Patch in the Pool

Come see the floating pumpkin patch at the South City Family YMCA and enjoy a night of spooky fun! There will be swimming, a water slide, pumpkin decorating, family selfie station, and pumpkins to take home. Come prepared to make a splash.

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Halloween Hayride and Trunk or Treat

Enjoy a fun fall hayride, dress in your Halloween costumes, and gather some sweet treats at the Trunk or Treat at this Halloween-themed event sponsored by the city of Valley Park. There will also be The Bubble Bus, a pumpkin maze, bonfire, face painting, and a special showing of Hocus Pocus after dark.

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Monster Mash Bash at Riverchase in Fenton

Wear your costumes for this family Halloween event, complete with trick or treating. Guests will also enjoy music by DJ Divine, and everyone gets a goody bag.

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Things to Do

Festival of Nations

Saturday, August 29, 2026

Sunday, August 30, 2026

Festival of Nations is St. Louis' biggest multicultural celebration. Enjoy a wide variety of live music, international fare, and gift booths featuring fair trade gifts and handmade crafts. Guests can also enjoy children's activities.

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Wee Weekend at the Saint Louis Art Museum

Saturday, August 29, 2026

Preschoolers can learn, play, explore and grow at the Saint Louis Art Museum's Wee Weekend program for its youngest visitors. Join in on the adventure as your little one discovers new ways of interacting with art and each other.

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Sea Lion Shows at the Saint Louis Zoo

Saturday, August 29, 2026

Sunday, August 30, 2026

See the Zoo's California sea lions perform acrobatic and athletic feats, including Olympic-style dives on a high-diving platform, flipper walks, frisbee tosses and plenty of surprises. While on stage with the sea lions, the Zoo's trainers explain sea lion behavior and positive-reinforcement training, in addition to the need for conserving the sea lion's ocean habitat.

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Preschool Science Series at the Saint Louis Science Center

Saturday, August 29, 2026

Sunday, August 30, 2026

The Preschool Science Series is an open exploration learning lab for young scientists - ages 18 months to 5 years - and their families. Activities are designed around research that shows children learn best through play, inquiry and shared experiences with their parents and caregivers.

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On-Stage Performance Series at The Magic House

Saturday, August 29, 2026

Saturday, September 26, 2026

From dance to drama to musical performances, The Magic House presents the On-Stage Performance Series for kids of all ages. Designed to inspire a love of the arts and dramatic play, monthly performances take place at the Story Time Theater or Whitaker Theater inside The Magic House. On-Stage Performances are included with Magic House admission.

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Travel Back in Time Every Friday at the Missouri History Museum’s Free Summer Family Fun Series

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City Museum's Stuff the Bus Campaign Provides School Supplies for 160 St. Louis Schools

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Your Guide to Free Outdoor Family Movies this Summer

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Make the most of the rest of summer at Upper Limits Rock Climbing Summer Camp! Our 5-day camps run Monday through Friday and are packed with climbing, games, water days, challenges, and new friendships. Choose the schedule that works best for your family with half-day and full-day camp options available. We're conveniently located in Maryland Heights and Chesterfield, making it easy to find an adventure near you! Save $10 on camp registration with promo code CLIMBINGCAMP2026. Come spend the rest of your summer reaching new heights at Upper Limits! LEARN MORE

Great Rivers Greenway has teamed up with the Saint Louis Zoo for the fifth annual free greenway scavenger hunt. Community members are invited to look for the many varieties of native bees that you can see buzzing around greenways and search for special hidden souvenirs you can take home! Starting August 1, BEE on the lookout for hand-painted bee rocks along all 140+ miles of greenways. Saint Louis Zoo ALIVE (Active Leaders in Volunteer Education) teen volunteers hand-painted hundreds of rocks like three different species of bees found along the greenways: American bumblebee, brown-belted bumblebee and two-spotted bumblebee, plus a few of the endangered rusty patched bumblebee. If you find a painted rock, you can take it with you. Be sure to log your rock at www.GreenwayQuest.com for a chance to win prizes from both organizations, including Saint Louis Zoo Adventure Passes! Rocks are along edges of greenways or at trailheads, never far away from the path and never on private property. LEARN MORE AND GET STARTED!

See the Purina Incredible Dog Team perform extraordinary feats of athleticism and skill right here in St. Louis at Union Station this summer! Featuring some of the most talented canines in the country, the Purina Incredible Dog Team consists of more than 20 remarkably gifted dogs and two trainers who entertain audiences with extraordinary feats of athleticism and skill. Spectators can watch the team demonstrate a variety of canine sports while dogs of different breeds fly through the air to catch a flying disc, leap over a high jump, and maneuver through a series of obstacles in an agility course. Free performances are happening Thursdays through Sundays at 11 a.m. and 1 p.m. at Union Station's Performance Plaza in front of the St. Louis Wheel. Learn more at purina.com/purinafarms.

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