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Halloween events in O'Fallon, MO

Nearly full
2025 Annual NO COVER Mollyween Costume Bash!
Sat, Oct 25, 8:00 PM
Soulard · Mollys in Soulard
Nearly full
2025 Annual NO COVER Mollyween Costume Bash!
Sat, Oct 25, 8:00 PM
Soulard · Mollys in Soulard
Si & 2Gs Halloween Party "Birthday Edition" Part 2
Sat, Oct 25, 8:00 PM
St. Louis · JC Supper Club
Si & 2Gs Halloween Party "Birthday Edition" Part 2
Sat, Oct 25, 8:00 PM
St. Louis · JC Supper Club
ABV Barrel Shop Darren McRoy Cocktail Class: Hitchcocktails -- Date Night
Sat, Oct 25, 7:00 PM
Maxville · ABV Barrel Shop
ABV Barrel Shop Darren McRoy Cocktail Class: Hitchcocktails -- Date Night
Sat, Oct 25, 7:00 PM
Maxville · ABV Barrel Shop
The Haunted Hop | St. Louis Halloween Bar Crawl | Friday, October 31st
Fri, Oct 31, 7:30 PM
Kings Oak · Platypus
The Haunted Hop | St. Louis Halloween Bar Crawl | Friday, October 31st
Fri, Oct 31, 7:30 PM
Kings Oak · Platypus
FOAM AND FRIGHT FEST
Sat, Oct 25, 10:00 PM
Downtown West · Europe Night Club
FOAM AND FRIGHT FEST
Sat, Oct 25, 10:00 PM
Downtown West · Europe Night Club
Selling quickly
Spook and Swim Halloween Event
Friday at 5:00 PM
Warson Woods · Goldfish Swim School - Warson Woods
Selling quickly
Spook and Swim Halloween Event
Friday at 5:00 PM
Warson Woods · Goldfish Swim School - Warson Woods
Halloween & Dia de muertos bash!
Fri, Oct 31, 8:00 PM
Tower Grove South · Padrinos Mexican Restaurant
Halloween & Dia de muertos bash!
Fri, Oct 31, 8:00 PM
Tower Grove South · Padrinos Mexican Restaurant
Halloween Bash
Fri, Oct 31, 7:00 PM
Midtown · 2711 Locust St
Halloween Bash
Fri, Oct 31, 7:00 PM
Midtown · 2711 Locust St
Haunted Trail ONLY Tickets on Oct 23rd
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 23rd
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 18th
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 18th
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 29th
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 29th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 17th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 17th
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 24th
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 24th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 25th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 25th
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 30th
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 30th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 22nd
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 22nd
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 23rd
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 23rd
Cottleville · Public School House
Gatsby's Haunted Mansion Halloween Pop-up Bar
Fri, Oct 31, 7:00 PM + 5 more
Lafayette Square · 2017 Chouteau Ave
Gatsby's Haunted Mansion Halloween Pop-up Bar
Fri, Oct 31, 7:00 PM + 5 more
Lafayette Square · 2017 Chouteau Ave
The Ghoul House Pop Up Bar & Haunted Trail on Oct 30th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 30th
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 29th
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 29th
Cottleville · Public School House

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