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find Halloween events for every vibe.

Halloween events in Union, 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
Saddle Up and Sparkle Out For A Western PinkOWeen!
Sat, Oct 25, 1:00 PM
O'Fallon · O'Fallon Park Rec Complex
Saddle Up and Sparkle Out For A Western PinkOWeen!
Sat, Oct 25, 1:00 PM
O'Fallon · O'Fallon Park Rec Complex
Haunted Trail ONLY Tickets on Oct 30th
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 30th
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 23rd
Cottleville · Public School House
Haunted Trail ONLY Tickets on Oct 23rd
Cottleville · Public School House
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
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
THE BIGGEST HALLOWEEN BASH IN DA' LOU
Fri, Oct 31, 7:00 PM
Spanish Lake · 12117 Bellefontaine Rd
THE BIGGEST HALLOWEEN BASH IN DA' LOU
Fri, Oct 31, 7:00 PM
Spanish Lake · 12117 Bellefontaine Rd
Halloween Yoga Flow
Sat, Oct 18, 9:30 AM
Lafayette Square · 2017 Chouteau Ave
Halloween Yoga Flow
Sat, Oct 18, 9:30 AM
Lafayette Square · 2017 Chouteau Ave
Family Paint Party
Thu, Oct 30, 6:30 PM
Benbush · Vivianos (Chesterfield)
Family Paint Party
Thu, Oct 30, 6:30 PM
Benbush · Vivianos (Chesterfield)
Paint Party-Twilight Raven
Sat, Oct 18, 11:00 AM
Frenchtown · Moonumental Jewelry Emporium & Makerspace
Paint Party-Twilight Raven
Sat, Oct 18, 11:00 AM
Frenchtown · Moonumental Jewelry Emporium & Makerspace
WITCHES ON THE WATER-GRAFTON, IL
Sat, Oct 18, 10:00 AM
Grafton · Mason Hollow Park
WITCHES ON THE WATER-GRAFTON, IL
Sat, Oct 18, 10:00 AM
Grafton · Mason Hollow Park
Halloween Skate Party
Today at 7:00 PM
East St. Louis · Skate City
Halloween Skate Party
Today at 7:00 PM
East St. Louis · Skate City
Just added!
The City Foundry Halloween Party
Wed, Oct 29, 5:30 PM
Midtown · City Foundry STL
Just added!
The City Foundry Halloween Party
Wed, Oct 29, 5:30 PM
Midtown · City Foundry STL
Sales end soon
Introduction to Stained Glass for Beginners: We're making Witches Hats!!
Sunday at 12:00 PM
St. Peters · Whistle Stop 301, Main Street, St. Peters, MO, USA
Sales end soon
Introduction to Stained Glass for Beginners: We're making Witches Hats!!
Sunday at 12:00 PM
St. Peters · Whistle Stop 301, Main Street, St. Peters, MO, USA
Just added!
Puff n Paint Skull and Pumpkin
Fri, Oct 24, 7:00 PM
Columbus Square · 1432 N Broadway
Just added!
Puff n Paint Skull and Pumpkin
Fri, Oct 24, 7:00 PM
Columbus Square · 1432 N Broadway
Wicked Wine Hop
Sat, Oct 25, 11:00 AM
Augusta · Augusta Winery
Wicked Wine Hop
Sat, Oct 25, 11:00 AM
Augusta · Augusta Winery
Sales end soon
St. Louis Annual Banquet
Tomorrow at 6:00 PM
Loehr · Ballwin Golf Course and Event Center
Sales end soon
St. Louis Annual Banquet
Tomorrow at 6:00 PM
Loehr · Ballwin Golf Course and Event Center
Just added!
Puff n Paint - Halloween edition
Thu, Oct 30, 7:00 PM
Missouri · Lost Hill Lake Events
Just added!
Puff n Paint - Halloween edition
Thu, Oct 30, 7:00 PM
Missouri · Lost Hill Lake Events
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
Howlin' Friday: Brock Walker ft. Special Guests
Fri, Oct 31, 7:00 PM
Downtown · National Blues Museum
Howlin' Friday: Brock Walker ft. Special Guests
Fri, Oct 31, 7:00 PM
Downtown · National Blues Museum

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