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find Halloween events for every vibe.

Adult halloween party events in O'Fallon, IL

Halloween Skate Party
Fri, Oct 10, 7:00 PM
East St. Louis · Skate City
Halloween Skate Party
Fri, Oct 10, 7:00 PM
East St. Louis · Skate City
The Official Halloween Bar Crawl (Fri & Sat) - St Louis
Fri, Oct 31, 4:00 PM
Peabody · Great Grizzly Bear
The Official Halloween Bar Crawl (Fri & Sat) - St Louis
Fri, Oct 31, 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
Adult Homecoming
Fri, Oct 10, 8:00 PM
St. Louis · JC Supper Club
Adult Homecoming
Fri, Oct 10, 8:00 PM
St. Louis · JC Supper Club
Halloween Bash
Fri, Oct 31, 7:00 PM
Midtown · 2711 Locust St
Halloween Bash
Fri, Oct 31, 7:00 PM
Midtown · 2711 Locust St
SOUL TIES HALLOWEEN COSTUME PARTY
Fri, Oct 31, 8:00 PM
Columbus Square · The House Of Soul
SOUL TIES HALLOWEEN COSTUME PARTY
Fri, Oct 31, 8:00 PM
Columbus Square · The House Of Soul
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
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
St. Louis, MO Spooky Halloween: A Family Ghost Hunt
Thu, Oct 30, 5:00 PM + 55 more
DeBaliviere Place · 5025 Lindell Blvd
St. Louis, MO Spooky Halloween: A Family Ghost Hunt
Thu, Oct 30, 5:00 PM + 55 more
DeBaliviere Place · 5025 Lindell Blvd
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
Sales end soon
Halloween Paint Party
Sat, Oct 11, 5:00 PM
Maryland Heights · Greater St Louis Association-The Df
Sales end soon
Halloween Paint Party
Sat, Oct 11, 5:00 PM
Maryland Heights · Greater St Louis Association-The Df
St Louis' Best Halloween Weekend Bar Crawl
South Hampton · Best Bars in St Louis
St Louis' Best Halloween Weekend Bar Crawl
South Hampton · Best Bars in St Louis
Halloween Costume Party!
Mon, Oct 27, 6:30 PM
Waterloo · Hopskeller Brewing Company
Halloween Costume Party!
Mon, Oct 27, 6:30 PM
Waterloo · Hopskeller Brewing Company
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
Sales end soon
Boos and Blues Halloween Party
Fri, Oct 31, 8:00 PM
Frenchtown · The Moonshine Blues Bar, South Main Street, Saint Charles, MO, USA
Sales end soon
Boos and Blues Halloween Party
Fri, Oct 31, 8:00 PM
Frenchtown · The Moonshine Blues Bar, South Main Street, Saint Charles, MO, USA
Boolesque: Our Halloween Burlesque Show
Today at 5:30 PM + 13 more
Columbus Square · The Boom Boom Room
Boolesque: Our Halloween Burlesque Show
Today at 5:30 PM + 13 more
Columbus Square · The Boom Boom Room
St. Louis Halloween Bar Crawl All Access
Sat, Oct 18, 4:00 PM + 2 more
Forest Park Southeast · JAVA
St. Louis Halloween Bar Crawl All Access
Sat, Oct 18, 4:00 PM + 2 more
Forest Park Southeast · JAVA
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
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
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

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