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

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Planning for the Future: Protecting Loved Ones with Disabilities
Tomorrow at 6:30 PM
Chesterfield · First Community Credit Union
Planning for the Future: Protecting Loved Ones with Disabilities
Tomorrow at 6:30 PM
Chesterfield · First Community Credit Union
Spirit Alive 2026
Fri, Oct 9, 6:30 PM
Missouri · St. Joseph School-Josephville
Spirit Alive 2026
Fri, Oct 9, 6:30 PM
Missouri · St. Joseph School-Josephville
Customer Appreciation Makers Market
Sat, Sep 19, 10:00 AM
Frenchtown · 3DSHQ
Customer Appreciation Makers Market
Sat, Sep 19, 10:00 AM
Frenchtown · 3DSHQ
Grand Opening
Tomorrow at 4:30 PM
Loehr · Willis Cosmetic Surgery & MedSpa
Grand Opening
Tomorrow at 4:30 PM
Loehr · Willis Cosmetic Surgery & MedSpa
Sip & Connect O'Fallon: Where Conversations Turn Into Connections
Mon, Sep 21, 6:00 PM
O'Fallon · Total Wine & More
Sip & Connect O'Fallon: Where Conversations Turn Into Connections
Mon, Sep 21, 6:00 PM
O'Fallon · Total Wine & More
Outdoor Pilates Class with TruFusion STL @ Chesterfield Amphitheater
Sat, Sep 26, 9:30 AM
Bellefontaine · Chesterfield Amphitheater
Outdoor Pilates Class with TruFusion STL @ Chesterfield Amphitheater
Sat, Sep 26, 9:30 AM
Bellefontaine · Chesterfield Amphitheater
Live Second Labs - Saint Charles, MO
Sat, Sep 19, 9:00 AM
St. Charles · Matthias' Lot Church
Live Second Labs - Saint Charles, MO
Sat, Sep 19, 9:00 AM
St. Charles · Matthias' Lot Church
A Grand Day At The Park
Sunday at 11:30 AM
Frenchtown · Wapelhorst Park
A Grand Day At The Park
Sunday at 11:30 AM
Frenchtown · Wapelhorst Park
Luxury Top Agent Panel
Thu, Sep 24, 3:00 PM
Lake St. Louis · RedKey Realty Leaders - Lake St Louis
Luxury Top Agent Panel
Thu, Sep 24, 3:00 PM
Lake St. Louis · RedKey Realty Leaders - Lake St Louis
MICDS Open House
Acme Heights · MICDS Open House
MICDS Open House
Acme Heights · MICDS Open House
RTFC Family Fun Day 9/12
Saturday at 12:00 PM
Gardnerville · McNair Park Day Camp Area Shelter #1
RTFC Family Fun Day 9/12
Saturday at 12:00 PM
Gardnerville · McNair Park Day Camp Area Shelter #1
Dolly’s Legendary Life: A Music Bingo Experience
Today at 7:00 PM
Cottleville · Cottle Village
Dolly’s Legendary Life: A Music Bingo Experience
Today at 7:00 PM
Cottleville · Cottle Village
St. Luke's Bone Builders Lecture
Tue, Sep 22, 5:30 PM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center Blg A
St. Luke's Bone Builders Lecture
Tue, Sep 22, 5:30 PM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center Blg A
March To The Arch 2026
Friday at 9:11 AM
Loehr · Mike Duffy's Pub & Grill
March To The Arch 2026
Friday at 9:11 AM
Loehr · Mike Duffy's Pub & Grill
Job News St. Louis Job Fair | Multi-Industry Hiring Event
Thu, Sep 24, 10:00 AM
Maryland Heights · Orlando's Event Center
Job News St. Louis Job Fair | Multi-Industry Hiring Event
Thu, Sep 24, 10:00 AM
Maryland Heights · Orlando's Event Center
Home Buyers Seminar
Sun, Sep 27, 2:00 PM
Frenchtown · The Wine Cafe
Home Buyers Seminar
Sun, Sep 27, 2:00 PM
Frenchtown · The Wine Cafe
STL Fall Market 2026
Thu, Sep 17, 10:00 AM
Ascalon · KDR Designer Showrooms
STL Fall Market 2026
Thu, Sep 17, 10:00 AM
Ascalon · KDR Designer Showrooms
9/16 St. Luke's Coffee & Conversations: Be in Control
Wed, Sep 16, 10:00 AM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center - Building A: Conference Room 3
9/16 St. Luke's Coffee & Conversations: Be in Control
Wed, Sep 16, 10:00 AM
Chesterfield · St. Luke's Hospital Desloge Outpatient Center - Building A: Conference Room 3
Better Balance
Wed, Sep 16, 10:00 AM
O'Fallon · City of O'Fallon
Better Balance
Wed, Sep 16, 10:00 AM
O'Fallon · City of O'Fallon
Chillax & Connect: Business After Hours Unwind. Connect. Grow.
Tue, Sep 22, 6:30 PM
Frenchtown · Chillax St.Peters
Chillax & Connect: Business After Hours Unwind. Connect. Grow.
Tue, Sep 22, 6:30 PM
Frenchtown · Chillax St.Peters

Trends in O'fallon

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:

Spirit Alive 2026

Customer Appreciation Makers Market

Sip & Connect O'Fallon: Where Conversations Turn Into Connections

Outdoor Pilates Class with TruFusion STL @ Chesterfield Amphitheater

Which events are currently trending in O'fallon?

The trending searches this month in O'fallon are:

mothers day

carnival festival

car shows

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:

Dolly’s Legendary Life: A Music Bingo Experience

Grand Opening

Planning for the Future: Protecting Loved Ones with Disabilities

March To The Arch 2026

Planning for the Future: Protecting Loved Ones with Disabilities

Planning for the Future: Protecting Loved Ones with Disabilities

Spirit Alive 2026

Spirit Alive 2026

Customer Appreciation Makers Market

Customer Appreciation Makers Market

Grand Opening

Grand Opening

Sip & Connect O'Fallon: Where Conversations Turn Into Connections

Sip & Connect O'Fallon: Where Conversations Turn Into Connections

Outdoor Pilates Class with TruFusion STL @ Chesterfield Amphitheater

Outdoor Pilates Class with TruFusion STL @ Chesterfield Amphitheater

Live Second Labs - Saint Charles, MO

Live Second Labs - Saint Charles, MO

A Grand Day At The Park

A Grand Day At The Park

Luxury Top Agent Panel

Luxury Top Agent Panel

MICDS Open House

MICDS Open House

RTFC Family Fun Day 9/12

RTFC Family Fun Day 9/12

Dolly’s Legendary Life: A Music Bingo Experience

Dolly’s Legendary Life: A Music Bingo Experience

St. Luke's Bone Builders Lecture

St. Luke's Bone Builders Lecture

March To The Arch 2026

March To The Arch 2026

Job News St. Louis Job Fair | Multi-Industry Hiring Event

Job News St. Louis Job Fair | Multi-Industry Hiring Event

Home Buyers Seminar

Home Buyers Seminar

STL Fall Market 2026

STL Fall Market 2026

9/16 St. Luke's Coffee & Conversations: Be in Control

9/16 St. Luke's Coffee & Conversations: Be in Control

Better Balance

Better Balance

Chillax & Connect: Business After Hours Unwind. Connect. Grow.

Chillax & Connect: Business After Hours Unwind. Connect. Grow.

Things to do around O'fallon

Trends in O'fallon

1. Mothers day

2. Carnival festival

3. Car shows

4. Events happening today near me

5. Mothers day brunch

6. Scramble golf tournaments

7. Cannabis_event

8. Kids

9. Crafts fair

10. Puff and paint

11. Job fairs

12. Music bingo

What are the best free events to attend?

Which events are currently trending in O'fallon?

Which free events are coming up?