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Halloween events in O'Fallon, MO

Just added!
Karen Berger Halloween Party at The Hill Cigar Co
Thu, Oct 30, 4:00 PM
The Hill · The Hill Cigar Co, Southwest Avenue, St. Louis, MO, USA
Just added!
Karen Berger Halloween Party at The Hill Cigar Co
Thu, Oct 30, 4:00 PM
The Hill · The Hill Cigar Co, Southwest Avenue, St. Louis, MO, USA
Sales end soon
Halloween Baby Boo Brunch
Tomorrow at 10:00 AM
Warson Woods · Goldfish Swim School - Warson Woods
Sales end soon
Halloween Baby Boo Brunch
Tomorrow at 10:00 AM
Warson Woods · Goldfish Swim School - Warson Woods
Sales end soon
Beast Mode Divaz 2nd Annual Halloween Showdown
Saturday at 10:00 AM
Woodstock · 1950 Nemnich Rd
Sales end soon
Beast Mode Divaz 2nd Annual Halloween Showdown
Saturday at 10:00 AM
Woodstock · 1950 Nemnich Rd
Saint Charles Ghost Tour: Haunt & Seek: St. Charles Edition
Today at 12:00 PM + 99 more
St. Charles · 601 N 4th St
Saint Charles Ghost Tour: Haunt & Seek: St. Charles Edition
Today at 12:00 PM + 99 more
St. Charles · 601 N 4th St
The Zone
Fri, Oct 31, 5:00 PM
Sloan · Mooneyham Art LLC
The Zone
Fri, Oct 31, 5:00 PM
Sloan · Mooneyham Art LLC
2025 St. Louis Halloween Bar Crawl
Sat, Nov 1, 4:00 PM
Peabody · Great Grizzly Bear
2025 St. Louis Halloween Bar Crawl
Sat, Nov 1, 4:00 PM
Peabody · Great Grizzly Bear
Happy Halloween Craft and Vendor Event
Sun, Oct 19, 10:00 AM
O'Fallon · O'Fallon Elks Lodge
Happy Halloween Craft and Vendor Event
Sun, Oct 19, 10:00 AM
O'Fallon · O'Fallon Elks Lodge
Just added!
EleVibe Halloween Bingo & Karaoke
Sat, Nov 1, 8:00 PM
Maplewood · Vintagegold88
Just added!
EleVibe Halloween Bingo & Karaoke
Sat, Nov 1, 8:00 PM
Maplewood · Vintagegold88
Sales end soon
Little Cookie Shoppe at EXO
Friday at 6:00 PM
Leclaire · EXO: Nail Bar, Med Spa, Lounge
Sales end soon
Little Cookie Shoppe at EXO
Friday at 6:00 PM
Leclaire · EXO: Nail Bar, Med Spa, Lounge
R&B Grooves & Views: Rooftop with a Slash of Hip Hop HALLOWEEN EDITION
Fri, Oct 31, 8:00 PM
Downtown · Hotel Saint Louis, Autograph Collection
R&B Grooves & Views: Rooftop with a Slash of Hip Hop HALLOWEEN EDITION
Fri, Oct 31, 8:00 PM
Downtown · Hotel Saint Louis, Autograph Collection
FREE Family Trick or Treat, Chesterfield
Fri, Oct 31, 5:00 PM
Loehr · Purser Center at Logan University
FREE Family Trick or Treat, Chesterfield
Fri, Oct 31, 5:00 PM
Loehr · Purser Center at Logan University
The City Foundry Halloween Party
Wed, Oct 29, 5:30 PM
Midtown · City Foundry STL
The City Foundry Halloween Party
Wed, Oct 29, 5:30 PM
Midtown · City Foundry STL
Wicked Wine Hop
Sat, Oct 25, 11:00 AM
Augusta · Augusta Winery
Wicked Wine Hop
Sat, Oct 25, 11:00 AM
Augusta · Augusta Winery
St. Louis Official Halloween Bar Crawl
Fri, Oct 31, 5:00 PM
Peabody · Great Grizzly Bear
St. Louis Official Halloween Bar Crawl
Fri, Oct 31, 5:00 PM
Peabody · Great Grizzly Bear
The Data Haunt: Halloween Kahoot Party
Fri, Oct 31, 6:00 PM
Bunkum · The 89th Collective
The Data Haunt: Halloween Kahoot Party
Fri, Oct 31, 6:00 PM
Bunkum · The 89th Collective
Carbon Member's Club Halloween Party 2025
Sat, Oct 25, 8:00 PM
Clayton · 7822 Bonhomme Ave
Carbon Member's Club Halloween Party 2025
Sat, Oct 25, 8:00 PM
Clayton · 7822 Bonhomme Ave
Selling quickly
Spooky Smoothie & Paint
Thu, Oct 23, 6:00 PM
Forest Park Southeast · Hello Juice & Smoothie
Selling quickly
Spooky Smoothie & Paint
Thu, Oct 23, 6:00 PM
Forest Park Southeast · Hello Juice & Smoothie
St. Louis Halloween Bar Crawl
Sat, Oct 25, 4:00 PM
Peabody · Great Grizzly Bear
St. Louis Halloween Bar Crawl
Sat, Oct 25, 4:00 PM
Peabody · Great Grizzly Bear
PrideSTL Halloween Bar Crawl
Sat, Oct 18, 5:00 PM
Kings Oak · Platypus
PrideSTL Halloween Bar Crawl
Sat, Oct 18, 5:00 PM
Kings Oak · Platypus
Boolesque: Our Halloween Burlesque Show
Friday at 8:30 PM + 8 more
Columbus Square · The Boom Boom Room
Boolesque: Our Halloween Burlesque Show
Friday at 8:30 PM + 8 more
Columbus Square · The Boom Boom Room

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