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

Search for something you love or check out popular events in your area.

Going fast
Art Sings Educator Workshop
Wed, Jun 10, 10:00 AM
St. Louis · Mildred Lane Kemper Art Museum
Going fast
Art Sings Educator Workshop
Wed, Jun 10, 10:00 AM
St. Louis · Mildred Lane Kemper Art Museum
House Music on the Rooftop
Sat, Jun 27, 5:00 PM
St. Louis · Moonrise Hotel
House Music on the Rooftop
Sat, Jun 27, 5:00 PM
St. Louis · Moonrise Hotel
Kemper Refresh: Yoga
Wed, Jun 3, 10:00 AM
St. Louis · Mildred Lane Kemper Art Museum
Kemper Refresh: Yoga
Wed, Jun 3, 10:00 AM
St. Louis · Mildred Lane Kemper Art Museum
Almost full
Protect & Grow: Smart Money for High Earners
Tomorrow at 11:00 AM
St. Louis · Woodard Restoration
Almost full
Protect & Grow: Smart Money for High Earners
Tomorrow at 11:00 AM
St. Louis · Woodard Restoration
2026 Operation Change St. Louis Town Hall
Sat, Jun 6, 10:00 AM
St. Louis · Northside Movement Center
2026 Operation Change St. Louis Town Hall
Sat, Jun 6, 10:00 AM
St. Louis · Northside Movement Center
Clayton Art And Craft Festival
Fri, Jun 12, 10:00 AM
Clayton · North Brentwood Boulevard
Clayton Art And Craft Festival
Fri, Jun 12, 10:00 AM
Clayton · North Brentwood Boulevard
Home Buying Information Night
Thu, May 21, 6:00 PM
St. Louis · 8081 Manchester Rd
Home Buying Information Night
Thu, May 21, 6:00 PM
St. Louis · 8081 Manchester Rd
ALL Black Zodiac Cancer Bash
Sat, Jun 27, 8:00 PM
St. Louis · Moonrise Hotel
ALL Black Zodiac Cancer Bash
Sat, Jun 27, 8:00 PM
St. Louis · Moonrise Hotel
Sales end soon
Public Tour | Graduation Weekend Tour: Looking Back Toward the Future
Tomorrow at 4:00 PM
St. Louis · Mildred Lane Kemper Art Museum
Sales end soon
Public Tour | Graduation Weekend Tour: Looking Back Toward the Future
Tomorrow at 4:00 PM
St. Louis · Mildred Lane Kemper Art Museum
Networking for Business Owners and Account Managers
Wed, May 20, 7:30 AM + 92 more
Brentwood · The Brentwood Community Center
Networking for Business Owners and Account Managers
Wed, May 20, 7:30 AM + 92 more
Brentwood · The Brentwood Community Center
Almost full
Overcoming Mobility Challenges
Fri, Oct 16, 12:30 PM
Fenton · 1355 N Hwy Dr
Almost full
Overcoming Mobility Challenges
Fri, Oct 16, 12:30 PM
Fenton · 1355 N Hwy Dr
Medicare Made Easy with Anne DeLeon
Wed, May 27, 6:00 PM
St. Louis · St. Louis County Library–Oak Bend Branch
Medicare Made Easy with Anne DeLeon
Wed, May 27, 6:00 PM
St. Louis · St. Louis County Library–Oak Bend Branch
Sales end soon
Pet Field Guide Zines with Deya Muniz & Emily Erdos!
Today at 6:00 PM
Webster Groves · Betty's Books
Sales end soon
Pet Field Guide Zines with Deya Muniz & Emily Erdos!
Today at 6:00 PM
Webster Groves · Betty's Books
Humble B Honey Talk & Tasting at Wild Birds Unlimited!
Sat, Jun 27, 11:00 AM + 1 more
St. Louis · 9987 Manchester Rd
Humble B Honey Talk & Tasting at Wild Birds Unlimited!
Sat, Jun 27, 11:00 AM + 1 more
St. Louis · 9987 Manchester Rd
Sales end soon
Music +Dance+And Poetry
Monday at 5:00 PM
St. Louis · Carter Commons Food Hall
Sales end soon
Music +Dance+And Poetry
Monday at 5:00 PM
St. Louis · Carter Commons Food Hall
E'terea Café Pop-up
Wed, Jun 10, 8:30 AM + 5 more
Clayton · Serendipity Labs Private Offices & Coworking, Maryland Avenue, Clayton, St. Louis, MO, USA
E'terea Café Pop-up
Wed, Jun 10, 8:30 AM + 5 more
Clayton · Serendipity Labs Private Offices & Coworking, Maryland Avenue, Clayton, St. Louis, MO, USA
Not Just One TTRPG: Alt Systems to D&D
Thu, May 28, 6:30 PM
Webster Groves · Betty's Books
Not Just One TTRPG: Alt Systems to D&D
Thu, May 28, 6:30 PM
Webster Groves · Betty's Books
Tech on Tap STL (June)
Tue, Jun 9, 5:30 PM
St. Louis · Schlafly Bottleworks
Tech on Tap STL (June)
Tue, Jun 9, 5:30 PM
St. Louis · Schlafly Bottleworks
Vendor for Back-to-School Carnival & Health Fair
Sat, Aug 22, 10:00 AM
St. Louis · 6850 Normandale Dr
Vendor for Back-to-School Carnival & Health Fair
Sat, Aug 22, 10:00 AM
St. Louis · 6850 Normandale Dr
The Official STL Black Rodeo AFTER PARTY
Sat, Jun 20, 10:00 PM
St. Louis · Soul 2 Soul
The Official STL Black Rodeo AFTER PARTY
Sat, Jun 20, 10:00 PM
St. Louis · Soul 2 Soul

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:

Art Sings Educator Workshop

House Music on the Rooftop

Kemper Refresh: Yoga

2026 Operation Change St. Louis Town Hall

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

mothers day

carnival festival

cannabis_event

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:

Pet Field Guide Zines with Deya Muniz & Emily Erdos!

Protect & Grow: Smart Money for High Earners

Public Tour | Graduation Weekend Tour: Looking Back Toward the Future

Music +Dance+And Poetry

Art Sings Educator Workshop

Art Sings Educator Workshop

House Music on the Rooftop

House Music on the Rooftop

Kemper Refresh: Yoga

Kemper Refresh: Yoga

Protect & Grow: Smart Money for High Earners

Protect & Grow: Smart Money for High Earners

2026 Operation Change St. Louis Town Hall

2026 Operation Change St. Louis Town Hall

Clayton Art And Craft Festival

Clayton Art And Craft Festival

Home Buying Information Night

Home Buying Information Night

ALL Black Zodiac Cancer Bash

ALL Black Zodiac Cancer Bash

Public Tour | Graduation Weekend Tour: Looking Back Toward the Future

Public Tour | Graduation Weekend Tour: Looking Back Toward the Future

Networking for Business Owners and Account Managers

Networking for Business Owners and Account Managers

Overcoming Mobility Challenges

Overcoming Mobility Challenges

Medicare Made Easy with Anne DeLeon

Medicare Made Easy with Anne DeLeon

Pet Field Guide Zines with Deya Muniz & Emily Erdos!

Pet Field Guide Zines with Deya Muniz & Emily Erdos!

Humble B Honey Talk & Tasting at Wild Birds Unlimited!

Humble B Honey Talk & Tasting at Wild Birds Unlimited!

Music +Dance+And Poetry

Music +Dance+And Poetry

E'terea Café Pop-up

E'terea Café Pop-up

Not Just One TTRPG: Alt Systems to D&D

Not Just One TTRPG: Alt Systems to D&D

Tech on Tap STL (June)

Tech on Tap STL (June)

Vendor for Back-to-School Carnival & Health Fair

Vendor for Back-to-School Carnival & Health Fair

The Official STL Black Rodeo AFTER PARTY

The Official STL Black Rodeo AFTER PARTY

Things to do around O'Fallon

Trends in O'Fallon

1. Mothers day

2. Carnival festival

3. Cannabis_event

4. Events happening today near me

5. Mothers day brunch

6. Car shows

7. Scramble golf tournaments

8. Kids

9. Goat yoga

10. Bingo

11. Music bingo

12. Couples

What are the best free events to attend?

Which events are currently trending in O'Fallon?

Which free events are coming up?