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find Halloween events for every vibe.

All events in O'fallon, MO

GATEway FATE 2025
Sat, Oct 18, 11:00 AM
Frenchtown · St. Charles Convention Center
GATEway FATE 2025
Sat, Oct 18, 11:00 AM
Frenchtown · St. Charles Convention Center
Nearly full
The Social - STL
Wed, Oct 8, 5:00 PM
Cottleville · Public School House
Nearly full
The Social - STL
Wed, Oct 8, 5:00 PM
Cottleville · Public School House
Sales end soon
Witches on Main - Main Street St. Charles
Saturday at 3:00 PM
St. Charles · St. Charles Historic District
Sales end soon
Witches on Main - Main Street St. Charles
Saturday at 3:00 PM
St. Charles · St. Charles Historic District
Rodeo Series
Saturday at 4:00 PM
Missouri · Busch Family Brewing and Distilling
Rodeo Series
Saturday at 4:00 PM
Missouri · Busch Family Brewing and Distilling
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
Sales end soon
Billy the Kid
Friday at 7:00 PM
Bellefontaine · Chesterfield Amphitheater
Sales end soon
Billy the Kid
Friday at 7:00 PM
Bellefontaine · Chesterfield Amphitheater
Nearly full
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 17th
Cottleville · Public School House
Mall Mutation Madness: Hardcore 5 - Cyber Shock Lockdown
Sat, Oct 18, 9:00 PM
St. Peters · Mid Rivers Mall
Mall Mutation Madness: Hardcore 5 - Cyber Shock Lockdown
Sat, Oct 18, 9:00 PM
St. Peters · Mid Rivers Mall
Urshan Symposium of Apostolic Pentecostal Scholars 2025
Thu, Oct 16, 12:00 PM
Wentzville · Urshan Graduate School-Theology
Urshan Symposium of Apostolic Pentecostal Scholars 2025
Thu, Oct 16, 12:00 PM
Wentzville · Urshan Graduate School-Theology
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
Selling quickly
Daytox Rooftop Day Party- STL
Sun, Oct 5, 4:00 PM
Frenchtown · Chicken N Pickle - St. Charles
Selling quickly
Daytox Rooftop Day Party- STL
Sun, Oct 5, 4:00 PM
Frenchtown · Chicken N Pickle - St. Charles
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 25th
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 25th
Cottleville · Public School House
Busch and Boots Music Fest
Sat, Oct 11, 4:00 PM
Missouri · Busch Family Brewing and Distilling
Busch and Boots Music Fest
Sat, Oct 11, 4:00 PM
Missouri · Busch Family Brewing and Distilling
Nearly full
Dementia Life - Western Whirl
Friday at 6:00 PM
St. Charles · The Marquee at New Town
Nearly full
Dementia Life - Western Whirl
Friday at 6:00 PM
St. Charles · The Marquee at New Town
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 22nd
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 22nd
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 23rd
Cottleville · Public School House
Nearly full
The Ghoul House Pop Up Bar & Haunted Trail on Oct 23rd
Cottleville · Public School House
Selling quickly
FAMILY NIGHT-The Ghoul House & Haunted Trail on Oct 19th
Cottleville · Public School House
Selling quickly
FAMILY NIGHT-The Ghoul House & Haunted Trail on Oct 19th
Cottleville · Public School House
SCCAD Outreach Pickleball Tournment
Sat, Oct 18, 10:00 AM
Frenchtown · Chicken N Pickle - St. Charles
SCCAD Outreach Pickleball Tournment
Sat, Oct 18, 10:00 AM
Frenchtown · Chicken N Pickle - St. Charles
Nearly full
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 30th
Cottleville · Public School House
Sales end soon
St. Charles Paw Parade 2025
Saturday at 10:00 AM
St. Charles · Blanchette Park
Sales end soon
St. Charles Paw Parade 2025
Saturday at 10:00 AM
St. Charles · Blanchette Park

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