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find Halloween events for every vibe.

Outdoor events in O'fallon, IL

2025 Gateway Outdoor Summit
Fri, Nov 14, 1:00 PM
Frenchtown · St. Charles Convention Center
2025 Gateway Outdoor Summit
Fri, Nov 14, 1:00 PM
Frenchtown · St. Charles Convention Center
Sales end soon
St. Louis Cannabis Expo
Saturday at 11:00 AM
Old North St. Louis · 918 La Beaume Ave
Sales end soon
St. Louis Cannabis Expo
Saturday at 11:00 AM
Old North St. Louis · 918 La Beaume Ave
St. Louis Conspiracy Game: The Outdoor Escape
Today at 2:00 PM + 287 more
Central West End · Lindell @ Newstead EB
St. Louis Conspiracy Game: The Outdoor Escape
Today at 2:00 PM + 287 more
Central West End · Lindell @ Newstead EB
St. Louis Murder Mystery: Solve the case!
Today at 4:00 PM + 125 more
Central West End · 4905 Lindell Blvd
St. Louis Murder Mystery: Solve the case!
Today at 4:00 PM + 125 more
Central West End · 4905 Lindell Blvd
Halloween Ghost Hunt in St. Louis
Thu, Oct 30, 5:00 PM + 55 more
DeBaliviere Place · 5025 Lindell Blvd
Halloween Ghost Hunt in St. Louis
Thu, Oct 30, 5:00 PM + 55 more
DeBaliviere Place · 5025 Lindell Blvd
The Cinderella Escape in St. Louis
Sat, Oct 25, 10:00 AM
Downtown West · St. Louis
The Cinderella Escape in St. Louis
Sat, Oct 25, 10:00 AM
Downtown West · St. Louis
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
St. Louis Ghost Hunt
Today at 4:00 PM + 265 more
DeBaliviere Place · 5025 Lindell Blvd
St. Louis Ghost Hunt
Today at 4:00 PM + 265 more
DeBaliviere Place · 5025 Lindell Blvd
St. Louis Detective Mystery Game: Infiltrate a Secret Society!
Today at 4:00 PM + 307 more
Central West End · Lindell @ Newstead EB
St. Louis Detective Mystery Game: Infiltrate a Secret Society!
Today at 4:00 PM + 307 more
Central West End · Lindell @ Newstead EB
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Outdoor Escape Room (Downtown St. Louis) for 2-6 players
Friday at 5:00 PM + 319 more
Downtown · Downtown
Sales end soon
Outdoor Escape Room (Downtown St. Louis) for 2-6 players
Friday at 5:00 PM + 319 more
Downtown · Downtown
Sales end soon
After Dark Ghost Hunt in St. Louis, MO: Face the Fright!
Today at 6:00 PM + 295 more
DeBaliviere Place · 5025 Lindell Blvd
Sales end soon
After Dark Ghost Hunt in St. Louis, MO: Face the Fright!
Today at 6:00 PM + 295 more
DeBaliviere Place · 5025 Lindell Blvd
Hula hoop and Jump rope classes
Today at 5:00 PM + 2 more
Florissant · Manion Park
Hula hoop and Jump rope classes
Today at 5:00 PM + 2 more
Florissant · Manion Park
Goat yoga of southern IL @ Glen Carbon Heritage Museum
Sat, Nov 1, 9:00 AM
Chinatown · Glen Carbon Heritage Museum
Goat yoga of southern IL @ Glen Carbon Heritage Museum
Sat, Nov 1, 9:00 AM
Chinatown · Glen Carbon Heritage Museum
Reels on the Rooftop 2025
Wed, Oct 22, 7:30 PM + 1 more
Clayton · Le Meridien St. Louis Clayton
Reels on the Rooftop 2025
Wed, Oct 22, 7:30 PM + 1 more
Clayton · Le Meridien St. Louis Clayton
Amazing Scavenger Hunt! - Edwardsville‘s Exciting Expedition
Today at 8:00 AM + 165 more
Leclaire · City Park
Amazing Scavenger Hunt! - Edwardsville‘s Exciting Expedition
Today at 8:00 AM + 165 more
Leclaire · City Park
Chips for Charity
Tue, Dec 16, 6:00 PM
Leclaire · The Ink House
Chips for Charity
Tue, Dec 16, 6:00 PM
Leclaire · The Ink House
Awesome Scavenger Hunt - Glen Carbon‘s Coal-tastic Quest
Today at 8:00 AM + 76 more
Glen Carbon · 78 W Main St
Awesome Scavenger Hunt - Glen Carbon‘s Coal-tastic Quest
Today at 8:00 AM + 76 more
Glen Carbon · 78 W Main St
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You Sleuth Augmented Reality Detective Experience
Today at 1:00 PM + 319 more
Benton Park West · St. Louis
Sales end soon
You Sleuth Augmented Reality Detective Experience
Today at 1:00 PM + 319 more
Benton Park West · St. Louis
St. Louis Thriller Mission: Expose the Truth!
Today at 2:00 PM + 294 more
Central West End · Lindell @ Newstead EB
St. Louis Thriller Mission: Expose the Truth!
Today at 2:00 PM + 294 more
Central West End · Lindell @ Newstead EB
Conspiracy Scavenger Hunt in St. Louis
Today at 12:00 PM + 250 more
Central West End · Lindell @ Newstead EB
Conspiracy Scavenger Hunt in St. Louis
Today at 12:00 PM + 250 more
Central West End · Lindell @ Newstead EB

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