Events and Things to do in O'Fallon, MO

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

American Mahjong Lesson Series
Tue, Jun 9, 6:00 PM + 2 more
Cottleville · Men's Modern General Store
American Mahjong Lesson Series
Tue, Jun 9, 6:00 PM + 2 more
Cottleville · Men's Modern General Store
Lewis & Clark Departure Day Celebration
Today at 10:00 AM
Saint Charles · Lewis & Clark Boat House and Museum
Lewis & Clark Departure Day Celebration
Today at 10:00 AM
Saint Charles · Lewis & Clark Boat House and Museum
Old School BlackLight Basement Party
Sat, Jun 13, 7:00 PM
Bridgeton · Machinists Hall Inc
Old School BlackLight Basement Party
Sat, Jun 13, 7:00 PM
Bridgeton · Machinists Hall Inc
2026 St. Charles County Farm Bureau - Farm to Table Dinner
Sat, Jul 18, 6:00 PM
Saint Charles · Foundry Art Centre
2026 St. Charles County Farm Bureau - Farm to Table Dinner
Sat, Jul 18, 6:00 PM
Saint Charles · Foundry Art Centre
U-BALL 2026:Hollywood Edition presented by Cash Cohnes & Mick Woods
Sat, Nov 28, 7:00 PM
Saint Charles · Ameristar Casino Resort Spa St. Charles
U-BALL 2026:Hollywood Edition presented by Cash Cohnes & Mick Woods
Sat, Nov 28, 7:00 PM
Saint Charles · Ameristar Casino Resort Spa St. Charles
Dinner with Entrepreneurs: St. Peters | Small Town Edition
Thursday at 7:00 PM + 7 more
St. Peters · Restaurant of the Week
Dinner with Entrepreneurs: St. Peters | Small Town Edition
Thursday at 7:00 PM + 7 more
St. Peters · Restaurant of the Week
Puff n Paint your Pet- Blacklight Edition
Sat, Jun 13, 2:30 PM
O'Fallon · Sticky's Social Lounge
Puff n Paint your Pet- Blacklight Edition
Sat, Jun 13, 2:30 PM
O'Fallon · Sticky's Social Lounge
What's The Tea? w/Michelle Pointer
Sat, Aug 22, 12:00 PM
St. Louis · DoubleTree by Hilton Hotel St. Louis - Westport
What's The Tea? w/Michelle Pointer
Sat, Aug 22, 12:00 PM
St. Louis · DoubleTree by Hilton Hotel St. Louis - Westport
St Louis Horror Con
Sat, Jul 11, 10:00 AM
Manchester · Greensfelder Recreation Complex
St Louis Horror Con
Sat, Jul 11, 10:00 AM
Manchester · Greensfelder Recreation Complex
Spinner Ring Workshop - Make your own fidget
Sun, Jun 7, 10:00 AM
Saint Charles · Moonumental Makerspace
Spinner Ring Workshop - Make your own fidget
Sun, Jun 7, 10:00 AM
Saint Charles · Moonumental Makerspace
Foodies + New Friends: St. Charles | Small Town Duos Edition
Fri, May 22, 7:00 PM + 7 more
Saint Charles · Restaurant of the Week
Foodies + New Friends: St. Charles | Small Town Duos Edition
Fri, May 22, 7:00 PM + 7 more
Saint Charles · Restaurant of the Week
Martial Arts EmPOWERment Camp for Kids at Lyndell Institute June 16-18 2026
Tue, Jun 16, 8:00 AM + 2 more
Weldon Spring · 515 Huber Park Ct
Martial Arts EmPOWERment Camp for Kids at Lyndell Institute June 16-18 2026
Tue, Jun 16, 8:00 AM + 2 more
Weldon Spring · 515 Huber Park Ct
Dinner with Entrepreneurs | Chesterfield
Fri, May 22, 7:00 PM + 14 more
Chesterfield · Restaurant of the Week
Dinner with Entrepreneurs | Chesterfield
Fri, May 22, 7:00 PM + 14 more
Chesterfield · Restaurant of the Week
Young Outlaws Power Wheels Drag Racing at Shriners Car Show
Sun, Jun 14, 10:00 AM
Saint Charles · St. Charles Family Arena
Young Outlaws Power Wheels Drag Racing at Shriners Car Show
Sun, Jun 14, 10:00 AM
Saint Charles · St. Charles Family Arena
Sales end soon
3rd Annual Homebuyers Party Bus Tour
Sat, May 23, 12:00 PM
Creve Coeur · Legacy Title & Escrow, LLC
Sales end soon
3rd Annual Homebuyers Party Bus Tour
Sat, May 23, 12:00 PM
Creve Coeur · Legacy Title & Escrow, LLC
Daytime All White Affair
Sat, Jul 18, 1:00 PM
Bridgeton · The Machinists Hall 12365 St Charles Rock Rd
Daytime All White Affair
Sat, Jul 18, 1:00 PM
Bridgeton · The Machinists Hall 12365 St Charles Rock Rd
Sacred Tea Ceremony + Sound Bath
Fri, Jun 19, 7:00 PM + 2 more
O'Fallon · Bossed Beauty and Wellness - Beauty & Salon Suites - Yoga
Sacred Tea Ceremony + Sound Bath
Fri, Jun 19, 7:00 PM + 2 more
O'Fallon · Bossed Beauty and Wellness - Beauty & Salon Suites - Yoga
Create Your Own Cabochon: A One-on-One Experience
Mon, Jun 15, 9:00 AM + 3 more
Saint Charles · Moonumental Jewelry Emporium & Makerspace
Create Your Own Cabochon: A One-on-One Experience
Mon, Jun 15, 9:00 AM + 3 more
Saint Charles · Moonumental Jewelry Emporium & Makerspace
Almost full
The Car Mom Auto Show VIP Night
Fri, Jun 12, 6:00 PM
Manchester · Queeny Park Rink
Almost full
The Car Mom Auto Show VIP Night
Fri, Jun 12, 6:00 PM
Manchester · Queeny Park Rink
A Virtuous Woman’s Summit
Sat, May 23, 3:30 PM
Hazelwood · First Love Church STL
A Virtuous Woman’s Summit
Sat, May 23, 3:30 PM
Hazelwood · First Love Church STL

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:

American Mahjong Lesson Series

Old School BlackLight Basement Party

2026 St. Charles County Farm Bureau - Farm to Table Dinner

U-BALL 2026:Hollywood Edition presented by Cash Cohnes & Mick Woods

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 events are coming up?

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

Lewis & Clark Departure Day Celebration

Dinner with Entrepreneurs: St. Peters | Small Town Edition

Foodies + New Friends: St. Charles | Small Town Duos Edition

Dinner with Entrepreneurs | Chesterfield

American Mahjong Lesson Series

American Mahjong Lesson Series

Lewis & Clark Departure Day Celebration

Lewis & Clark Departure Day Celebration

Old School BlackLight Basement Party

Old School BlackLight Basement Party

2026 St. Charles County Farm Bureau - Farm to Table Dinner

2026 St. Charles County Farm Bureau - Farm to Table Dinner

U-BALL 2026:Hollywood Edition presented by Cash Cohnes & Mick Woods

U-BALL 2026:Hollywood Edition presented by Cash Cohnes & Mick Woods

Dinner with Entrepreneurs: St. Peters | Small Town Edition

Dinner with Entrepreneurs: St. Peters | Small Town Edition

Puff n Paint your Pet- Blacklight Edition

Puff n Paint your Pet- Blacklight Edition

What's The Tea? w/Michelle Pointer

What's The Tea? w/Michelle Pointer

St Louis Horror Con

St Louis Horror Con

Spinner Ring Workshop - Make your own fidget

Spinner Ring Workshop - Make your own fidget

Foodies + New Friends: St. Charles | Small Town Duos Edition

Foodies + New Friends: St. Charles | Small Town Duos Edition

Martial Arts EmPOWERment Camp for Kids at Lyndell Institute June 16-18 2026

Martial Arts EmPOWERment Camp for Kids at Lyndell Institute June 16-18 2026

Dinner with Entrepreneurs | Chesterfield

Dinner with Entrepreneurs | Chesterfield

Young Outlaws Power Wheels Drag Racing at Shriners Car Show

Young Outlaws Power Wheels Drag Racing at Shriners Car Show

3rd Annual Homebuyers Party Bus Tour

3rd Annual Homebuyers Party Bus Tour

Daytime All White Affair

Daytime All White Affair

Sacred Tea Ceremony + Sound Bath

Sacred Tea Ceremony + Sound Bath

Create Your Own Cabochon: A One-on-One Experience

Create Your Own Cabochon: A One-on-One Experience

The Car Mom Auto Show VIP Night

The Car Mom Auto Show VIP Night

A Virtuous Woman’s Summit

A Virtuous Woman’s Summit

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. Crafts fair

What are the best events to attend?

Which events are currently trending in O'Fallon?

Which events are coming up?