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

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Almost full
Beck Summer Reset
Tomorrow at 9:00 AM
Dardenne Prairie · 7447 State Rte N
Almost full
Beck Summer Reset
Tomorrow at 9:00 AM
Dardenne Prairie · 7447 State Rte N
Sales end soon
Tee Off Safely: Injury Prevention for Golfers with Dr. Devon Myers
Tuesday at 6:00 PM
O'Fallon · WingHaven Country Club
Sales end soon
Tee Off Safely: Injury Prevention for Golfers with Dr. Devon Myers
Tuesday at 6:00 PM
O'Fallon · WingHaven Country Club
DOD and MPP Service Dog Graduation.
Sun, Jun 28, 11:00 AM
Wentzville · Quail Ridge Park
DOD and MPP Service Dog Graduation.
Sun, Jun 28, 11:00 AM
Wentzville · Quail Ridge Park
Sales end soon
AI Workforce Readiness: How Businesses Can Build an AI-Ready Team
Wednesday at 5:00 PM
St Charles · OPO Startups [1909 Old Post Office]
Sales end soon
AI Workforce Readiness: How Businesses Can Build an AI-Ready Team
Wednesday at 5:00 PM
St Charles · OPO Startups [1909 Old Post Office]
ASID MoEast CEU Opportunity Hosted by Ferguson Home
Thu, Jun 25, 11:00 AM
Chesterfield · Ferguson Home
ASID MoEast CEU Opportunity Hosted by Ferguson Home
Thu, Jun 25, 11:00 AM
Chesterfield · Ferguson Home
June Lakeside Book Club
Wednesday at 6:00 PM
Lake Saint Louis · Lakeside Bookshop, LLC
June Lakeside Book Club
Wednesday at 6:00 PM
Lake Saint Louis · Lakeside Bookshop, LLC
Almost full
Free Mahjong Open Play at Cork & Rind
Fri, Jun 19, 4:00 PM
Saint Charles · Cork & Rind
Almost full
Free Mahjong Open Play at Cork & Rind
Fri, Jun 19, 4:00 PM
Saint Charles · Cork & Rind
Almost full
Feeding and Fueling the World: a workshop for science teachers
Tue, Jun 23, 8:30 AM
Chesterfield · W Stemme Farms, LLC
Almost full
Feeding and Fueling the World: a workshop for science teachers
Tue, Jun 23, 8:30 AM
Chesterfield · W Stemme Farms, LLC
Sales end soon
2026 HOUSING RESOURCE FAIR - Free & Open to the Public
Tomorrow at 9:00 AM
O'Fallon · Krekel Civic Center
Sales end soon
2026 HOUSING RESOURCE FAIR - Free & Open to the Public
Tomorrow at 9:00 AM
O'Fallon · Krekel Civic Center
Kindred Kids: Jake's Field Of Dreams Playground
Monday at 6:00 PM
Wentzville · Jake's Field Of Dreams
Kindred Kids: Jake's Field Of Dreams Playground
Monday at 6:00 PM
Wentzville · Jake's Field Of Dreams
Koch Air's Aprilaire Training & Top Golf Event - St, Louis - Chesterfield
Wed, Jul 15, 1:00 PM
Chesterfield · Topgolf St. Louis - Chesterfield
Koch Air's Aprilaire Training & Top Golf Event - St, Louis - Chesterfield
Wed, Jul 15, 1:00 PM
Chesterfield · Topgolf St. Louis - Chesterfield
Almost full
6/17 St. Luke's Coffee & Conversations: Adaptive Tools for Everyday Life
Wednesday at 10:00 AM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center - Building A: Conference Room 3
Almost full
6/17 St. Luke's Coffee & Conversations: Adaptive Tools for Everyday Life
Wednesday at 10:00 AM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center - Building A: Conference Room 3
Trek St. Peters | Basic Bike Maintenance
Thu, Jul 2, 6:00 PM
St. Peters · Trek Bicycle St. Peters
Trek St. Peters | Basic Bike Maintenance
Thu, Jul 2, 6:00 PM
St. Peters · Trek Bicycle St. Peters
Meet Michael Byrd (Executive Director Listening Session)
Mon, Jun 22, 11:30 AM
Saint Charles · Waypoint Church (St. Charles)
Meet Michael Byrd (Executive Director Listening Session)
Mon, Jun 22, 11:30 AM
Saint Charles · Waypoint Church (St. Charles)
July: Rooted Bible Study
Thu, Jul 9, 7:00 PM
Saint Charles · Harvester Christian Church - St. Charles Campus
July: Rooted Bible Study
Thu, Jul 9, 7:00 PM
Saint Charles · Harvester Christian Church - St. Charles Campus
#TableTalk The Referral Blueprint: Building Your Business Toolbox
Thu, Jul 9, 11:00 AM
Maryland Heights · Dave & Buster's St. Louis
#TableTalk The Referral Blueprint: Building Your Business Toolbox
Thu, Jul 9, 11:00 AM
Maryland Heights · Dave & Buster's St. Louis
Single people meet and greet
Thu, Jul 9, 6:00 PM
Saint Charles · St. Charles Music House
Single people meet and greet
Thu, Jul 9, 6:00 PM
Saint Charles · St. Charles Music House
Build the Life You Want by Oprah Winfrey and Arthur Brooks
Tue, Jun 23, 6:30 PM
St. Peters · Gateway to Dreams
Build the Life You Want by Oprah Winfrey and Arthur Brooks
Tue, Jun 23, 6:30 PM
St. Peters · Gateway to Dreams
Sales end soon
Building Connections & The Power of SOS - O'Fallon, MO
Tuesday at 11:30 AM
O'Fallon · Rendezvous
Sales end soon
Building Connections & The Power of SOS - O'Fallon, MO
Tuesday at 11:30 AM
O'Fallon · Rendezvous
LUXE SATURDAYS AT HABIBI LOUNGE
Tomorrow at 9:00 PM
Saint Charles · Habibi Hookah Bar & Lounge
LUXE SATURDAYS AT HABIBI LOUNGE
Tomorrow at 9:00 PM
Saint Charles · Habibi Hookah Bar & Lounge

Trends in O'Fallon

Explore more trends

Explore more trends

Frequently asked questions about O'Fallon

What are the best free events to attend?

According to Eventbrite, the best free events are:

Tee Off Safely: Injury Prevention for Golfers with Dr. Devon Myers

DOD and MPP Service Dog Graduation.

AI Workforce Readiness: How Businesses Can Build an AI-Ready Team

ASID MoEast CEU Opportunity Hosted by Ferguson Home

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:

Beck Summer Reset

2026 HOUSING RESOURCE FAIR - Free & Open to the Public

LUXE SATURDAYS AT HABIBI LOUNGE

Kindred Kids: Jake's Field Of Dreams Playground