Halloween Events Near O'Fallon 2026
Your guide to the best Halloween events near O'Fallon
O'Fallon celebrates Halloween 2026 with family Halloween events suited to both little ghosts and grown-up thrill seekers. Around the main district and nearby parks, seasonal lights, spooky science programs, and after-hours museum entertainment make the evenings especially inviting.
Plan time for corn mazes, haunted hayrides, and autumn celebrations that bring a friendly local feel to the Halloween season. These activities offer an easy mix of learning, laughter, and gentle scares for families exploring O'Fallon after dark.
Editor's Picks
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Lemp Brewery Haunted House
· St. Louis
St. Louis' only REAL haunted house in historic underground caves.
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Boo at the Zoo
· St. Louis
Non-scary, kid-friendly Halloween evenings with festive decorations and animals.
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Eckert's Belleville Farm Pumpkin Patch & Field Access
· Belleville
Pick-your-own pumpkins with tractor-pulled wagon rides.
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Jack's Lighted Trail at Eckert's Belleville Farm
· Belleville
Walkable nighttime trail of glowing pumpkin sculptures through towering corn stalks.
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Ghost Stories and Guitars at Missouri History Museum
· St. Louis
Live Halloween rock hits, courtyard bonfire ghost stories, and tarot readings.
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Nightmare on 12th Street Halloween Pop-Up
· St. Louis
Halloween bar pop-up with scary decor, creepy food, and spooky drinks.
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Browse Halloween Near O'Fallon by Category
Family-Friendly Fall Activities
Tractor-pulled fall foliage tour followed by a bonfire picnic.
Haunted Experiences
St. Louis' only REAL haunted house in historic underground caves.
Halloween Food, Drink, and Parties
Bavarian bash featuring live polka bands and a stein holding competition.
Unique & Unusual Halloween Events
Live Halloween rock hits, courtyard bonfire ghost stories, and tarot readings.
O'Fallon Halloween Events Map
See every Halloween event, haunted attraction, and pumpkin patch on one map.
