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

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DOD and MPP Service Dog Graduation.
Sunday at 11:00 AM
Wentzville · Quail Ridge Park
DOD and MPP Service Dog Graduation.
Sunday at 11:00 AM
Wentzville · Quail Ridge Park
Sales end soon
ASID MoEast CEU Opportunity Hosted by Ferguson Home
Thursday at 11:00 AM
Chesterfield · Ferguson Home
Sales end soon
ASID MoEast CEU Opportunity Hosted by Ferguson Home
Thursday at 11:00 AM
Chesterfield · Ferguson Home
Sales end soon
Pets Day at The Wine Garden
Tomorrow at 4:00 PM
Saint Charles · 1219 S Main St
Sales end soon
Pets Day at The Wine Garden
Tomorrow at 4:00 PM
Saint Charles · 1219 S Main St
Network-A-Thon July '26
Tue, Jul 28, 4:00 PM
Maryland Heights · 13857 Riverport Dr
Network-A-Thon July '26
Tue, Jul 28, 4:00 PM
Maryland Heights · 13857 Riverport Dr
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
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
94X Faith In Business Series - St. Louis
Tue, Jul 7, 7:30 AM
Chesterfield · Undivided Experience Center
94X Faith In Business Series - St. Louis
Tue, Jul 7, 7:30 AM
Chesterfield · Undivided Experience Center
Sales end soon
Free In-person Robotics Class in Wentzville, MO for Kids Ages (7-14 Years)
Saturday at 11:00 AM
Wentzville · Fairfield by Marriott Inn & Suites 130 Crossroads S Dr, Wentzville, MO 63385
Sales end soon
Free In-person Robotics Class in Wentzville, MO for Kids Ages (7-14 Years)
Saturday at 11:00 AM
Wentzville · Fairfield by Marriott Inn & Suites 130 Crossroads S Dr, Wentzville, MO 63385
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
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
Tech Talk: Build Smarter Search with AI on Cloudflare’s Edge
Wed, Jul 1, 5:00 PM
St Charles · OPO Startups [1909 Old Post Office]
Tech Talk: Build Smarter Search with AI on Cloudflare’s Edge
Wed, Jul 1, 5:00 PM
St Charles · OPO Startups [1909 Old Post Office]
Free Mahjong Open Play at Cork & Rind
Thursday at 6:30 PM
Saint Charles · Cork & Rind
Free Mahjong Open Play at Cork & Rind
Thursday at 6:30 PM
Saint Charles · Cork & Rind
Going fast
All Out Outside with Orangetheory Fitness
Saturday at 9:00 AM
St. Louis · Westport Plaza
Going fast
All Out Outside with Orangetheory Fitness
Saturday at 9:00 AM
St. Louis · Westport Plaza
Love Rocks the Country - Music Bingo Experience
Wed, Jul 1, 7:00 PM
Cottleville · Cottle Village
Love Rocks the Country - Music Bingo Experience
Wed, Jul 1, 7:00 PM
Cottleville · Cottle Village
Job News St. Louis Job Fair | Multi-Industry Hiring Event
Thu, Jul 23, 10:00 AM
Maryland Heights · Orlando's Event Center
Job News St. Louis Job Fair | Multi-Industry Hiring Event
Thu, Jul 23, 10:00 AM
Maryland Heights · Orlando's Event Center
Sales end soon
St. Luke's Bone Builders Lecture
Tomorrow at 1:00 PM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center Blg A
Sales end soon
St. Luke's Bone Builders Lecture
Tomorrow at 1:00 PM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center Blg A
July Lakeside Cookbook Club
Wed, Jul 8, 6:30 PM
Lake Saint Louis · Lakeside Bookshop, LLC
July Lakeside Cookbook Club
Wed, Jul 8, 6:30 PM
Lake Saint Louis · Lakeside Bookshop, LLC
Almost full
Maryland Heights' Residents Electronic Recycling (Registration Required)
Sat, Aug 8, 9:00 AM
Maryland Heights · Maryland Heights Government Center
Almost full
Maryland Heights' Residents Electronic Recycling (Registration Required)
Sat, Aug 8, 9:00 AM
Maryland Heights · Maryland Heights Government Center
6th Annual St. Charles Jewish Festival
Sun, Aug 9, 11:00 AM
Saint Charles · Lewis and Clark Boat House
6th Annual St. Charles Jewish Festival
Sun, Aug 9, 11:00 AM
Saint Charles · Lewis and Clark Boat House

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:

DOD and MPP Service Dog Graduation.

Network-A-Thon July '26

Trek St. Peters | Basic Bike Maintenance

July: Rooted Bible Study

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:

St. Luke's Bone Builders Lecture

Pets Day at The Wine Garden

ASID MoEast CEU Opportunity Hosted by Ferguson Home

Free Mahjong Open Play at Cork & Rind