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

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Phil Wickham - World Vision Volunteers - St. Louis, MO
Saturday at 4:30 PM
St. Louis · Chaifetz Arena
Phil Wickham - World Vision Volunteers - St. Louis, MO
Saturday at 4:30 PM
St. Louis · Chaifetz Arena
Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators
Mon, Jun 22, 6:00 PM
St. Louis · 6321 Clayton Ave
Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators
Mon, Jun 22, 6:00 PM
St. Louis · 6321 Clayton Ave
Yoga Bookclub
Thu, Jun 25, 6:30 PM
St. Louis · Pizzeria da Gloria
Yoga Bookclub
Thu, Jun 25, 6:30 PM
St. Louis · Pizzeria da Gloria
Pups on the Patio with Chippin
Tue, Jun 9, 4:30 PM
St. Louis · AO&Co. Market & Cafe
Pups on the Patio with Chippin
Tue, Jun 9, 4:30 PM
St. Louis · AO&Co. Market & Cafe
Sales end soon
Nike St. Louis Coach Training
Wednesday at 9:00 AM
St. Louis · 4343 W Florissant Ave
Sales end soon
Nike St. Louis Coach Training
Wednesday at 9:00 AM
St. Louis · 4343 W Florissant Ave
Sista2Sista Monthly Sista Circle
Sat, Jun 13, 12:00 PM + 16 more
St. Louis · 1610 S Florissant Rd
Sista2Sista Monthly Sista Circle
Sat, Jun 13, 12:00 PM + 16 more
St. Louis · 1610 S Florissant Rd
Ville/Greater Ville & Vandeventer Neighborhoods Partnership Cleanup
Sat, Jun 6, 9:00 AM
St. Louis · 4153 Dr Martin Luther King Dr
Ville/Greater Ville & Vandeventer Neighborhoods Partnership Cleanup
Sat, Jun 6, 9:00 AM
St. Louis · 4153 Dr Martin Luther King Dr
DIY Reclaimed Trellis
Sat, May 30, 10:30 AM
St. Louis · 3701 Grandel Square
DIY Reclaimed Trellis
Sat, May 30, 10:30 AM
St. Louis · 3701 Grandel Square
Lecture: Professor Eric Mumford
Sat, Jun 27, 1:00 PM
St. Louis · Pulitzer Arts Foundation
Lecture: Professor Eric Mumford
Sat, Jun 27, 1:00 PM
St. Louis · Pulitzer Arts Foundation
Monday Wealth Management for Entrepreneurs
Mon, Jul 6, 5:30 PM
St. Louis · 1408 Kingshighway Blvd
Monday Wealth Management for Entrepreneurs
Mon, Jul 6, 5:30 PM
St. Louis · 1408 Kingshighway Blvd
Miltenyi Biotec & 10x Genomics Neuroscience Seminar
Thu, Jun 18, 9:30 AM
St. Louis · Washington University, Jeffrey T. Fort Neuroscience Research Building, Room 1101
Miltenyi Biotec & 10x Genomics Neuroscience Seminar
Thu, Jun 18, 9:30 AM
St. Louis · Washington University, Jeffrey T. Fort Neuroscience Research Building, Room 1101
Just added
MAHJ AT THE PARK 6/27-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge
Sat, Jun 27, 1:00 PM
St. Louis · Tower Grove Park @ The Lily Pond Shelter
Just added
MAHJ AT THE PARK 6/27-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge
Sat, Jun 27, 1:00 PM
St. Louis · Tower Grove Park @ The Lily Pond Shelter
Going fast
Community Collaboration Lab: Let’s Build Our Food Future Together
Wednesday at 3:00 PM
Alton · The Wedge Innovation Center
Going fast
Community Collaboration Lab: Let’s Build Our Food Future Together
Wednesday at 3:00 PM
Alton · The Wedge Innovation Center
Pride Month Lunch & Learn with PROMO Missouri
Wed, Jun 17, 12:00 PM
St. Louis · The Showroom at CIC St. Louis - 20 S Sarah
Pride Month Lunch & Learn with PROMO Missouri
Wed, Jun 17, 12:00 PM
St. Louis · The Showroom at CIC St. Louis - 20 S Sarah
How to Apply to SLICE
Sat, Jun 6, 12:00 PM
St. Louis · 3745 Foundry Way
How to Apply to SLICE
Sat, Jun 6, 12:00 PM
St. Louis · 3745 Foundry Way
Summer AI Learnathon
Fri, Jun 5, 8:30 AM
Alton · The Wedge Innovation Center
Summer AI Learnathon
Fri, Jun 5, 8:30 AM
Alton · The Wedge Innovation Center
Back to school Picnic
Sat, Aug 1, 12:00 AM
St. Louis · 4490 W North Dr
Back to school Picnic
Sat, Aug 1, 12:00 AM
St. Louis · 4490 W North Dr
SLICE and SLPC Sip & Scribe - May
Sat, May 30, 12:00 PM
St. Louis · High Low
SLICE and SLPC Sip & Scribe - May
Sat, May 30, 12:00 PM
St. Louis · High Low
Juneteenth Celebration
Sat, Jun 13, 10:00 AM
St. Louis · 4000 Maffitt Ave
Juneteenth Celebration
Sat, Jun 13, 10:00 AM
St. Louis · 4000 Maffitt Ave
Community Day 2026
Sat, Sep 26, 10:00 AM
St. Louis · The Hub
Community Day 2026
Sat, Sep 26, 10:00 AM
St. Louis · The Hub

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:

Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators

Yoga Bookclub

Pups on the Patio with Chippin

Sista2Sista Monthly Sista Circle

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:

Nike St. Louis Coach Training

Community Collaboration Lab: Let’s Build Our Food Future Together

Phil Wickham - World Vision Volunteers - St. Louis, MO

DIY Reclaimed Trellis

Phil Wickham - World Vision Volunteers - St. Louis, MO

Phil Wickham - World Vision Volunteers - St. Louis, MO

Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators

Idea to MVP Startup Bootcamp: Build Your App & Pitch to Accelerators

Yoga Bookclub

Yoga Bookclub

Pups on the Patio with Chippin

Pups on the Patio with Chippin

Nike St. Louis Coach Training

Nike St. Louis Coach Training

Sista2Sista Monthly Sista Circle

Sista2Sista Monthly Sista Circle

Ville/Greater Ville & Vandeventer Neighborhoods Partnership Cleanup

Ville/Greater Ville & Vandeventer Neighborhoods Partnership Cleanup

DIY Reclaimed Trellis

DIY Reclaimed Trellis

Lecture: Professor Eric Mumford

Lecture: Professor Eric Mumford

Monday Wealth Management for Entrepreneurs

Monday Wealth Management for Entrepreneurs

Miltenyi Biotec & 10x Genomics Neuroscience Seminar

Miltenyi Biotec & 10x Genomics Neuroscience Seminar

MAHJ AT THE PARK 6/27-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge

MAHJ AT THE PARK 6/27-Tower Grove Park @ The Lily Pond Shelter w/Mahj Podge

Community Collaboration Lab: Let’s Build Our Food Future Together

Community Collaboration Lab: Let’s Build Our Food Future Together

Pride Month Lunch & Learn with PROMO Missouri

Pride Month Lunch & Learn with PROMO Missouri

How to Apply to SLICE

How to Apply to SLICE

Summer AI Learnathon

Summer AI Learnathon

Back to school Picnic

Back to school Picnic

SLICE and SLPC Sip & Scribe - May

SLICE and SLPC Sip & Scribe - May

Juneteenth Celebration

Juneteenth Celebration

Community Day 2026

Community Day 2026

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. Car shows

6. Mothers day brunch

7. Scramble golf tournaments

8. Kids

9. Goat yoga

10. Crafts fair

11. Bingo

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?