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Free Events and Things to do in O'Fallon, MO

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Almost full
Garden Tool Sharpening + Repair with Perennial and UHSTL
Saturday at 10:30 AM
St. Louis · 3701 Grandel Square
Almost full
Garden Tool Sharpening + Repair with Perennial and UHSTL
Saturday at 10:30 AM
St. Louis · 3701 Grandel Square
Lecture: Professor Eric Mumford
Sat, Jun 27, 1:00 PM
St. Louis · Pulitzer Arts Foundation
Lecture: Professor Eric Mumford
Sat, Jun 27, 1:00 PM
St. Louis · Pulitzer Arts Foundation
Monday Wealth Management for Entrepreneurs
Mon, Jul 6, 5:30 PM
St. Louis · 1408 Kingshighway Blvd
Monday Wealth Management for Entrepreneurs
Mon, Jul 6, 5:30 PM
St. Louis · 1408 Kingshighway Blvd
Miltenyi Biotec & 10x Genomics Neuroscience Seminar
Thu, Jun 18, 9:30 AM
St. Louis · Washington University, Jeffrey T. Fort Neuroscience Research Building, Room 1101
Miltenyi Biotec & 10x Genomics Neuroscience Seminar
Thu, Jun 18, 9:30 AM
St. Louis · Washington University, Jeffrey T. Fort Neuroscience Research Building, Room 1101
Going fast
Community Collaboration Lab: Let’s Build Our Food Future Together
Wednesday at 3:00 PM
Alton · The Wedge Innovation Center
Going fast
Community Collaboration Lab: Let’s Build Our Food Future Together
Wednesday at 3:00 PM
Alton · The Wedge Innovation Center
Pride Month Lunch & Learn with PROMO Missouri
Wed, Jun 17, 12:00 PM
St. Louis · The Showroom at CIC St. Louis - 20 S Sarah
Pride Month Lunch & Learn with PROMO Missouri
Wed, Jun 17, 12:00 PM
St. Louis · The Showroom at CIC St. Louis - 20 S Sarah
Sales end soon
Owning Your Voice and Influence - Riverbend
Tomorrow at 11:30 AM
Alton · Johnson's Corner Restaurant
Sales end soon
Owning Your Voice and Influence - Riverbend
Tomorrow at 11:30 AM
Alton · Johnson's Corner Restaurant
How to Apply to SLICE
Sat, Jun 6, 12:00 PM
St. Louis · 3745 Foundry Way
How to Apply to SLICE
Sat, Jun 6, 12:00 PM
St. Louis · 3745 Foundry Way
Summer AI Learnathon
Fri, Jun 5, 8:30 AM
Alton · The Wedge Innovation Center
Summer AI Learnathon
Fri, Jun 5, 8:30 AM
Alton · The Wedge Innovation Center
SLICE and SLPC Sip & Scribe - May
Sat, May 30, 12:00 PM
St. Louis · High Low
SLICE and SLPC Sip & Scribe - May
Sat, May 30, 12:00 PM
St. Louis · High Low
Community Day 2026
Sat, Sep 26, 10:00 AM
St. Louis · The Hub
Community Day 2026
Sat, Sep 26, 10:00 AM
St. Louis · The Hub
Park2Park: A Day of Remembrance One Year After
Saturday at 9:00 AM
St. Louis · O'Fallon Park
Park2Park: A Day of Remembrance One Year After
Saturday at 9:00 AM
St. Louis · O'Fallon Park
Reading is Fire
Sat, Jun 13, 11:00 AM
St. Louis · Ritz Park
Reading is Fire
Sat, Jun 13, 11:00 AM
St. Louis · Ritz Park
St Louis African Restaurant Week 2025
Thu, May 21, 12:00 PM
St Louis · St Louis
St Louis African Restaurant Week 2025
Thu, May 21, 12:00 PM
St Louis · St Louis
First Friday: Closing Reception for Dialogues & Conversations
Fri, Aug 7, 5:00 PM
St. Louis · Pulitzer Arts Foundation
First Friday: Closing Reception for Dialogues & Conversations
Fri, Aug 7, 5:00 PM
St. Louis · Pulitzer Arts Foundation
Pretty Girl Summit - Dream Big
Sat, Jul 11, 3:00 PM
St. Louis · Painted Visions Events LLC
Pretty Girl Summit - Dream Big
Sat, Jul 11, 3:00 PM
St. Louis · Painted Visions Events LLC
2026 Gateway Outdoor Summit
Thu, Aug 20, 10:00 AM
St. Louis · .ZACK
2026 Gateway Outdoor Summit
Thu, Aug 20, 10:00 AM
St. Louis · .ZACK
Paul Fentress: "The Tune-Up" - Opening and Live Performance @UnionHallSTL
Fri, May 29, 6:00 PM
St. Louis · The Gallery @unionhallstl
Paul Fentress: "The Tune-Up" - Opening and Live Performance @UnionHallSTL
Fri, May 29, 6:00 PM
St. Louis · The Gallery @unionhallstl
Build & Protect: Small Business Protection & Opportunity Overview
Wednesday at 6:00 PM + 36 more
St. Louis · CIC St. Louis - 20 S Sarah St.
Build & Protect: Small Business Protection & Opportunity Overview
Wednesday at 6:00 PM + 36 more
St. Louis · CIC St. Louis - 20 S Sarah St.
Sales end soon
IKAGG CONNECTions Monthly Networking Meet Up
Tomorrow at 11:30 AM + 19 more
Webster Groves · Llywelyn's Pub
Sales end soon
IKAGG CONNECTions Monthly Networking Meet Up
Tomorrow at 11:30 AM + 19 more
Webster Groves · Llywelyn's Pub

Trends in O'Fallon

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Frequently asked questions about O'Fallon

What are the best free events to attend?

According to Eventbrite, the best free events are:

Lecture: Professor Eric Mumford

Monday Wealth Management for Entrepreneurs

Miltenyi Biotec & 10x Genomics Neuroscience Seminar

Community Collaboration Lab: Let’s Build Our Food Future Together

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

carnival festival

events happening today near me

Which free events are coming up?

Discover the best free events happening soon – you don't want to miss them:

Owning Your Voice and Influence - Riverbend

IKAGG CONNECTions Monthly Networking Meet Up

Park2Park: A Day of Remembrance One Year After

Garden Tool Sharpening + Repair with Perennial and UHSTL