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Costumes Events and Things to do in O'fallon, IL

Halloween Costume Party
Saturday at 9:00 PM
Saint Louis · DM Hosts for Location
Halloween Costume Party
Saturday at 9:00 PM
Saint Louis · DM Hosts for Location
Sales end soon
HALLOWEEN COSTUME PARTY @ HOUSE OF SOUL
Friday at 8:00 PM
St. Louis · The House Of Soul
Sales end soon
HALLOWEEN COSTUME PARTY @ HOUSE OF SOUL
Friday at 8:00 PM
St. Louis · The House Of Soul
Sales end soon
ERA's COSTUME PARTY
Friday at 8:00 PM
St. Louis · The Rize Event Center & Catering
Sales end soon
ERA's COSTUME PARTY
Friday at 8:00 PM
St. Louis · The Rize Event Center & Catering
HALOWEEN HAVOC
Saturday at 8:00 PM
East St. Louis · Blackmon's Plaza
HALOWEEN HAVOC
Saturday at 8:00 PM
East St. Louis · Blackmon's Plaza
Sales end soon
Glow In The Dink: Pickleball Costume Party
Friday at 6:00 PM
Florissant · James J. Eagan Center
Sales end soon
Glow In The Dink: Pickleball Costume Party
Friday at 6:00 PM
Florissant · James J. Eagan Center
Selling fast
HALLOWEEN AT THE BIG ASS HOUSE
Friday at 7:00 PM
St. Louis · 3615 19th St
Selling fast
HALLOWEEN AT THE BIG ASS HOUSE
Friday at 7:00 PM
St. Louis · 3615 19th St
Selling fast
Starfall Ball & "A Court of Splintered Harmony" Book Release Party
Today at 10:00 PM
Belleville · Belleville Books
Selling fast
Starfall Ball & "A Court of Splintered Harmony" Book Release Party
Today at 10:00 PM
Belleville · Belleville Books
EXPERIENCE STL PRESENTS: SINNERS HALLOWEEN PARTY
Saturday at 9:00 PM
St. Louis · 2245 S Grand Blvd
EXPERIENCE STL PRESENTS: SINNERS HALLOWEEN PARTY
Saturday at 9:00 PM
St. Louis · 2245 S Grand Blvd
Night At The Museum Halloween Party
Saturday at 7:00 PM
St. Louis · Contemporary Art Museum St. Louis
Night At The Museum Halloween Party
Saturday at 7:00 PM
St. Louis · Contemporary Art Museum St. Louis
Sales end soon
Boots, Boos, and Booze
Thursday at 6:00 PM
St. Louis · Saint Louis Dance Theatre
Sales end soon
Boots, Boos, and Booze
Thursday at 6:00 PM
St. Louis · Saint Louis Dance Theatre
St Louis Halloween Bar Crawl (Fri & Sat) 2026
Friday at 4:00 PM
St. Louis · Social Bar & Grill Soulard
St Louis Halloween Bar Crawl (Fri & Sat) 2026
Friday at 4:00 PM
St. Louis · Social Bar & Grill Soulard
Selling fast
HALLOWEEKEND AT TSCHÜSS
St. Louis · Tschüss
Selling fast
HALLOWEEKEND AT TSCHÜSS
St. Louis · Tschüss
Sales end soon
Double Dare Comedy
Wednesday at 7:30 PM
St. Louis · Pop's Blue Moon
Sales end soon
Double Dare Comedy
Wednesday at 7:30 PM
St. Louis · Pop's Blue Moon
FOAM AND FRIGHT FEST
Saturday at 10:00 PM
St. Louis · Europe Night Club
FOAM AND FRIGHT FEST
Saturday at 10:00 PM
St. Louis · Europe Night Club
Sales end soon
Boo-lesque: A Halloween Burlesque Spectacular
Friday at 8:00 PM + 2 more
St. Louis · 1001 Washington Ave
Sales end soon
Boo-lesque: A Halloween Burlesque Spectacular
Friday at 8:00 PM + 2 more
St. Louis · 1001 Washington Ave
The Fright Crawl | St. Louis' #1 Halloween Bar Crawl 2026 | Sat, Oct 31
Saturday at 7:30 PM
St. Louis · Tropical Liqueurs
The Fright Crawl | St. Louis' #1 Halloween Bar Crawl 2026 | Sat, Oct 31
Saturday at 7:30 PM
St. Louis · Tropical Liqueurs
NIGHTMARE @ Da City
Saturday at 9:00 PM
St. Louis · DaCity Event Center
NIGHTMARE @ Da City
Saturday at 9:00 PM
St. Louis · DaCity Event Center
Sales end soon
Male Strippers UNLEASHED Male Revue St. Louis, MO 8-10 PM
Friday at 8:00 PM + 122 more
St. Louis · St. Louis Male Strippers Unleashed
Sales end soon
Male Strippers UNLEASHED Male Revue St. Louis, MO 8-10 PM
Friday at 8:00 PM + 122 more
St. Louis · St. Louis Male Strippers Unleashed
St. Louis Halloween Bar Crawl 2026
Saturday at 3:00 PM
St. Louis · Great Grizzly Bear
St. Louis Halloween Bar Crawl 2026
Saturday at 3:00 PM
St. Louis · Great Grizzly Bear
St. Louis SantaCon Bar Crawl 2026
Sat, Dec 12, 1:00 PM
St. Louis · Great Grizzly Bear
St. Louis SantaCon Bar Crawl 2026
Sat, Dec 12, 1:00 PM
St. Louis · Great Grizzly Bear

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