Events and Things to do in O'Fallon, MO

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

Not Our Independence Let’s Talk Nail S^*
Fri, Jul 3, 5:00 PM
St. Louis · 4256 Manchester Ave
Not Our Independence Let’s Talk Nail S^*
Fri, Jul 3, 5:00 PM
St. Louis · 4256 Manchester Ave
RNSS8: 8th Annual Charity Car & Bike Show (Powered by NASCAR)
Sat, Aug 1, 12:00 PM
St. Louis · O'Fallon Park Rec Complex
RNSS8: 8th Annual Charity Car & Bike Show (Powered by NASCAR)
Sat, Aug 1, 12:00 PM
St. Louis · O'Fallon Park Rec Complex
CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO
Sat, Jun 20, 9:00 AM + 4 more
St. Louis · 4625 Lindell Blvd
CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO
Sat, Jun 20, 9:00 AM + 4 more
St. Louis · 4625 Lindell Blvd
20th Annual St. Louis Natural Bodybuilding Classic Pro/Am
Sat, Jun 20, 9:00 AM
St. Louis · Harris-Stowe State University
20th Annual St. Louis Natural Bodybuilding Classic Pro/Am
Sat, Jun 20, 9:00 AM
St. Louis · Harris-Stowe State University
Sales end soon
Little Chefs, Big Fun!
Saturday at 11:00 AM + 6 more
St. Louis · 3949 Lindell Blvd
Sales end soon
Little Chefs, Big Fun!
Saturday at 11:00 AM + 6 more
St. Louis · 3949 Lindell Blvd
AIA PARTY: ST.LOUIS
Sat, Jun 20, 4:00 PM
St. Louis · 3923 Washington Ave
AIA PARTY: ST.LOUIS
Sat, Jun 20, 4:00 PM
St. Louis · 3923 Washington Ave
Women's self-defense class
Wed, Jun 3, 10:00 AM + 28 more
St. Louis · 4256 Magnolia Ave
Women's self-defense class
Wed, Jun 3, 10:00 AM + 28 more
St. Louis · 4256 Magnolia Ave
More People Like You Awards
Sun, Jun 28, 4:00 PM
St Louis · Saint Louis University Center For Global Citizenship
More People Like You Awards
Sun, Jun 28, 4:00 PM
St Louis · Saint Louis University Center For Global Citizenship
Mahjong 102 Class (Strategy and Picking a Hand)
Wed, Jun 10, 4:00 PM
Webster Groves · 36 W Lockwood Ave
Mahjong 102 Class (Strategy and Picking a Hand)
Wed, Jun 10, 4:00 PM
Webster Groves · 36 W Lockwood Ave
Mahj Social Open Play: Tuesday 4P
Tue, Jun 2, 4:00 PM
Webster Groves · 36 W Lockwood Ave
Mahj Social Open Play: Tuesday 4P
Tue, Jun 2, 4:00 PM
Webster Groves · 36 W Lockwood Ave
Throw Back To The 80's /Mikes Birthday!
Fri, Jun 26, 6:00 PM
Alton · 602 Belle St
Throw Back To The 80's /Mikes Birthday!
Fri, Jun 26, 6:00 PM
Alton · 602 Belle St
Mahjong 102 and Guided Play
Thu, Jun 11, 5:30 PM
Webster Groves · 36 W Lockwood Ave
Mahjong 102 and Guided Play
Thu, Jun 11, 5:30 PM
Webster Groves · 36 W Lockwood Ave
Mahj Social Open Play: Sunday 10a
Sun, Jun 14, 10:00 AM
Webster Groves · 36 W Lockwood Ave
Mahj Social Open Play: Sunday 10a
Sun, Jun 14, 10:00 AM
Webster Groves · 36 W Lockwood Ave
Advanced Coffee Brewing - June 25, 2026
Thu, Jun 25, 1:00 PM
St. Louis · 1600 S 39th St
Advanced Coffee Brewing - June 25, 2026
Thu, Jun 25, 1:00 PM
St. Louis · 1600 S 39th St
Going fast
THE RNB EXPERIENCE : INTIMACY PRINTS EDITION
Sat, Jun 13, 8:00 PM
St. Louis · The House Of Soul
Going fast
THE RNB EXPERIENCE : INTIMACY PRINTS EDITION
Sat, Jun 13, 8:00 PM
St. Louis · The House Of Soul
St Louis Singles Event: Sunset Speed Dating (Ages 25–40)
Sat, Jun 20, 7:00 PM
St. Louis · The Attic Music Bar
St Louis Singles Event: Sunset Speed Dating (Ages 25–40)
Sat, Jun 20, 7:00 PM
St. Louis · The Attic Music Bar
Working with a Multi-Generational Workforce
Thu, Jun 18, 11:30 AM
Alton · The Wedge Innovation Center
Working with a Multi-Generational Workforce
Thu, Jun 18, 11:30 AM
Alton · The Wedge Innovation Center
This Is Casually Happening: A St. Louis Comedy Showcase
Fri, Jun 26, 7:30 PM
St. Louis · The Golden Hoosier
This Is Casually Happening: A St. Louis Comedy Showcase
Fri, Jun 26, 7:30 PM
St. Louis · The Golden Hoosier
Feeling's Mutual
Wed, Jul 15, 5:30 PM + 1 more
St. Louis · Healing Exchange
Feeling's Mutual
Wed, Jul 15, 5:30 PM + 1 more
St. Louis · Healing Exchange

Trends in O'Fallon

Explore more trends

Frequently asked questions about O'Fallon

What are the best events to attend?

According to Eventbrite, the best events are:

Not Our Independence Let’s Talk Nail S^*

RNSS8: 8th Annual Charity Car & Bike Show (Powered by NASCAR)

CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO

20th Annual St. Louis Natural Bodybuilding Classic Pro/Am

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 events are coming up?

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

Little Chefs, Big Fun!

Mahj Social Open Play: Tuesday 4P

Women's self-defense class

Mahjong 102 Class (Strategy and Picking a Hand)

Not Our Independence Let’s Talk Nail S^*

Not Our Independence Let’s Talk Nail S^*

RNSS8: 8th Annual Charity Car & Bike Show (Powered by NASCAR)

RNSS8: 8th Annual Charity Car & Bike Show (Powered by NASCAR)

CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO

CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO

20th Annual St. Louis Natural Bodybuilding Classic Pro/Am

20th Annual St. Louis Natural Bodybuilding Classic Pro/Am

Little Chefs, Big Fun!

Little Chefs, Big Fun!

AIA PARTY: ST.LOUIS

AIA PARTY: ST.LOUIS

Women's self-defense class

Women's self-defense class

More People Like You Awards

More People Like You Awards

Mahjong 102 Class (Strategy and Picking a Hand)

Mahjong 102 Class (Strategy and Picking a Hand)

Mahj Social Open Play: Tuesday 4P

Mahj Social Open Play: Tuesday 4P

Throw Back To The 80's /Mikes Birthday!

Throw Back To The 80's /Mikes Birthday!

Mahjong 102 and Guided Play

Mahjong 102 and Guided Play

Mahj Social Open Play: Sunday 10a

Mahj Social Open Play: Sunday 10a

Advanced Coffee Brewing - June 25, 2026

Advanced Coffee Brewing - June 25, 2026

THE RNB EXPERIENCE : INTIMACY PRINTS EDITION

THE RNB EXPERIENCE : INTIMACY PRINTS EDITION

St Louis Singles Event: Sunset Speed Dating (Ages 25–40)

St Louis Singles Event: Sunset Speed Dating (Ages 25–40)

Working with a Multi-Generational Workforce

Working with a Multi-Generational Workforce

This Is Casually Happening: A St. Louis Comedy Showcase

This Is Casually Happening: A St. Louis Comedy Showcase

Feeling's Mutual

Feeling's Mutual

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 events to attend?

Which events are currently trending in O'Fallon?

Which events are coming up?