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

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Volunteer Kickoff Party
Tue, Mar 24, 4:00 PM
Glen Carbon · Brightly Senior Living
Volunteer Kickoff Party
Tue, Mar 24, 4:00 PM
Glen Carbon · Brightly Senior Living
St. Louis Mother’s Day Craft & Vendor Market
Sat, May 2, 11:00 AM
Fairview Heights · St. Clair Square
St. Louis Mother’s Day Craft & Vendor Market
Sat, May 2, 11:00 AM
Fairview Heights · St. Clair Square
Breakthrough: A Health Innovation Symposium (STL TechWeek)
Thu, Apr 16, 10:00 AM
St. Louis · T-REX Downtown STL
Breakthrough: A Health Innovation Symposium (STL TechWeek)
Thu, Apr 16, 10:00 AM
St. Louis · T-REX Downtown STL
Midwest Ecommerce Summit: Built to Grow (STL TechWeek 2026)
Wed, Apr 15, 1:00 PM
St. Louis · T-REX Downtown STL
Midwest Ecommerce Summit: Built to Grow (STL TechWeek 2026)
Wed, Apr 15, 1:00 PM
St. Louis · T-REX Downtown STL
ChamberNet at the Gateway Grizzlies
Tue, May 12, 5:30 PM
Sauget · Arsenal BG Ballpark
ChamberNet at the Gateway Grizzlies
Tue, May 12, 5:30 PM
Sauget · Arsenal BG Ballpark
Sales end soon
KW x Canva: Create with Confidence
Tuesday at 10:00 AM
Edwardsville · 1254 University Dr
Sales end soon
KW x Canva: Create with Confidence
Tuesday at 10:00 AM
Edwardsville · 1254 University Dr
ONE DAY, ONE SIUE – Day of Giving Celebration
Thu, Apr 23, 6:00 PM
Edwardsville · SIUE Health Sciences Complex
ONE DAY, ONE SIUE – Day of Giving Celebration
Thu, Apr 23, 6:00 PM
Edwardsville · SIUE Health Sciences Complex
Sales end soon
Mental Health First Aid for EMS
Wednesday at 8:30 AM
St. Louis · Illume: The Behavioral Health Center of Excellence
Sales end soon
Mental Health First Aid for EMS
Wednesday at 8:30 AM
St. Louis · Illume: The Behavioral Health Center of Excellence
Geaux Crazy / The All-Jersey Day Party / rockproper.
Sun, Mar 22, 3:00 PM
St. Louis · Sports & Social St. Louis
Geaux Crazy / The All-Jersey Day Party / rockproper.
Sun, Mar 22, 3:00 PM
St. Louis · Sports & Social St. Louis
2026 HBCU College Fair
Sat, Mar 28, 11:00 AM
St. Louis · Confluence Preparatory Academy
2026 HBCU College Fair
Sat, Mar 28, 11:00 AM
St. Louis · Confluence Preparatory Academy
Anne Wilson - World Vision Volunteers - St. Louis, MO
Sat, Apr 25, 4:45 PM
St. Louis · Stifel Theatre
Anne Wilson - World Vision Volunteers - St. Louis, MO
Sat, Apr 25, 4:45 PM
St. Louis · Stifel Theatre
Sales end soon
A Black History Tour of St. Louis - A Film Screening
Tomorrow at 5:30 PM
Saint Louis · Saint Louis University, Cook Hall Anheuser-Busch Auditorium
Sales end soon
A Black History Tour of St. Louis - A Film Screening
Tomorrow at 5:30 PM
Saint Louis · Saint Louis University, Cook Hall Anheuser-Busch Auditorium
Craft and Vendor Fairs 2026
Sat, May 9, 10:00 AM
Maryville · Anderson Hospital
Craft and Vendor Fairs 2026
Sat, May 9, 10:00 AM
Maryville · Anderson Hospital
Almost full
Moms Night Out with The Moms Line
Fri, Mar 27, 6:30 PM
St. Louis · Deaconess Foundation
Almost full
Moms Night Out with The Moms Line
Fri, Mar 27, 6:30 PM
St. Louis · Deaconess Foundation
Sales end soon
Lived Experience Summit
Wednesday at 9:00 AM
St. Louis · Fathers & Families Support Center
Sales end soon
Lived Experience Summit
Wednesday at 9:00 AM
St. Louis · Fathers & Families Support Center
Design Week Starts With You: Committee Open House
Thursday at 5:00 PM
St. Louis · STL.org
Design Week Starts With You: Committee Open House
Thursday at 5:00 PM
St. Louis · STL.org
OPENING DAY PREGAME PARTY
Thu, Mar 26, 12:00 PM
St. Louis · Hotel Saint Louis, Autograph Collection
OPENING DAY PREGAME PARTY
Thu, Mar 26, 12:00 PM
St. Louis · Hotel Saint Louis, Autograph Collection
Beyond the Hack: How Women Can Travel Smarter and Rest Better - O'Fallon
Mon, May 18, 11:30 AM
O'Fallon · Bella Milano O'Fallon
Beyond the Hack: How Women Can Travel Smarter and Rest Better - O'Fallon
Mon, May 18, 11:30 AM
O'Fallon · Bella Milano O'Fallon
Typewriter Poetry Workshop
Sat, Mar 28, 10:00 AM
St. Louis · LA Marler StL Gallery
Typewriter Poetry Workshop
Sat, Mar 28, 10:00 AM
St. Louis · LA Marler StL Gallery

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:

Volunteer Kickoff Party

St. Louis Mother’s Day Craft & Vendor Market

Breakthrough: A Health Innovation Symposium (STL TechWeek)

Midwest Ecommerce Summit: Built to Grow (STL TechWeek 2026)

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

events happening today near me

egg hunt

scramble golf tournaments

job fairs

Which free events are coming up?

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

A Black History Tour of St. Louis - A Film Screening

KW x Canva: Create with Confidence

Mental Health First Aid for EMS

Lived Experience Summit

Volunteer Kickoff Party

Volunteer Kickoff Party

St. Louis Mother’s Day Craft & Vendor Market

St. Louis Mother’s Day Craft & Vendor Market

Breakthrough: A Health Innovation Symposium (STL TechWeek)

Breakthrough: A Health Innovation Symposium (STL TechWeek)

Midwest Ecommerce Summit: Built to Grow (STL TechWeek 2026)

Midwest Ecommerce Summit: Built to Grow (STL TechWeek 2026)

ChamberNet at the Gateway Grizzlies

ChamberNet at the Gateway Grizzlies

KW x Canva: Create with Confidence

KW x Canva: Create with Confidence

ONE DAY, ONE SIUE – Day of Giving Celebration

ONE DAY, ONE SIUE – Day of Giving Celebration

Mental Health First Aid for EMS

Mental Health First Aid for EMS

Geaux Crazy / The All-Jersey Day Party / rockproper.

Geaux Crazy / The All-Jersey Day Party / rockproper.

2026 HBCU College Fair

2026 HBCU College Fair

Anne Wilson - World Vision Volunteers - St. Louis, MO

Anne Wilson - World Vision Volunteers - St. Louis, MO

A Black History Tour of St. Louis - A Film Screening

A Black History Tour of St. Louis - A Film Screening

Craft and Vendor Fairs 2026

Craft and Vendor Fairs 2026

Moms Night Out with The Moms Line

Moms Night Out with The Moms Line

Lived Experience Summit

Lived Experience Summit

Design Week Starts With You: Committee Open House

Design Week Starts With You: Committee Open House

OPENING DAY PREGAME PARTY

OPENING DAY PREGAME PARTY

Beyond the Hack: How Women Can Travel Smarter and Rest Better - O'Fallon

Beyond the Hack: How Women Can Travel Smarter and Rest Better - O'Fallon

Typewriter Poetry Workshop

Typewriter Poetry Workshop

Things to do around O'Fallon

Trends in O'Fallon

1. Events happening today near me

2. Egg hunt

3. Scramble golf tournaments

4. Job fairs

5. Crafts fair

6. Comedy shows

7. Singles

8. Pub crawls

9. Kids events

10. Open mic

11. Kid friendly

12. Downtown o'fallon illinois

What are the best free events to attend?

Which events are currently trending in O'Fallon?

Which free events are coming up?