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Events and Things to do in O'Fallon, MO

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

Selling fast
An Evening with Kristin Harmel for Meet Me in Paris
Mon, Aug 3, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
Selling fast
An Evening with Kristin Harmel for Meet Me in Paris
Mon, Aug 3, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
Almost full
2026 STLYHFC 4v4 High School Summer Showdown
Chesterfield · Maryville University Hockey Center
Almost full
2026 STLYHFC 4v4 High School Summer Showdown
Chesterfield · Maryville University Hockey Center
Selling fast
Public School House Presents: School of OZ on July 16th
Cottleville · Public School House
Selling fast
Public School House Presents: School of OZ on July 16th
Cottleville · Public School House
Almost full
Public School House Presents: School of OZ on July 17th
Cottleville · Public School House
Almost full
Public School House Presents: School of OZ on July 17th
Cottleville · Public School House
Almost full
Public School House Presents: School of OZ on July 18th
Cottleville · Public School House
Almost full
Public School House Presents: School of OZ on July 18th
Cottleville · Public School House
Public School House Presents: School of OZ on July 23rd
Cottleville · Public School House
Public School House Presents: School of OZ on July 23rd
Cottleville · Public School House
Public School House Presents: School of OZ- FAMILY DAY on July 26th
Cottleville · Public School House
Public School House Presents: School of OZ- FAMILY DAY on July 26th
Cottleville · Public School House
Anthology - A Tribute to the Allman Brothers Band
Fri, Aug 7, 7:00 PM
Chesterfield · Chesterfield Amphitheater
Anthology - A Tribute to the Allman Brothers Band
Fri, Aug 7, 7:00 PM
Chesterfield · Chesterfield Amphitheater
Selling fast
Public School House Presents: School of OZ on July 24th
Cottleville · Public School House
Selling fast
Public School House Presents: School of OZ on July 24th
Cottleville · Public School House
Almost full
An Evening with USA Today Bestselling Author Elizabeth Helen
Wed, Jul 22, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
Almost full
An Evening with USA Today Bestselling Author Elizabeth Helen
Wed, Jul 22, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
Selling fast
Public School House Presents: School of OZ on July 22nd
Cottleville · Public School House
Selling fast
Public School House Presents: School of OZ on July 22nd
Cottleville · Public School House
Selling fast
Public School House Presents: School of OZ on July 15th
Cottleville · Public School House
Selling fast
Public School House Presents: School of OZ on July 15th
Cottleville · Public School House
An Evening with NYT Bestselling Author Shari Lapena| August 2
Sun, Aug 2, 7:00 PM
Chesterfield · The Reverie STL
An Evening with NYT Bestselling Author Shari Lapena| August 2
Sun, Aug 2, 7:00 PM
Chesterfield · The Reverie STL
Mr. Blue Sky—A Tribute to Electric Light Orchestra
Sat, Aug 15, 7:00 PM
Chesterfield · Chesterfield Amphitheater
Mr. Blue Sky—A Tribute to Electric Light Orchestra
Sat, Aug 15, 7:00 PM
Chesterfield · Chesterfield Amphitheater
Almost full
Lakeside Bookshop's Book Bedazzling Party
Thu, Jul 23, 6:00 PM
Lake Saint Louis · 10 Meadow Cir Dr suite 108
Almost full
Lakeside Bookshop's Book Bedazzling Party
Thu, Jul 23, 6:00 PM
Lake Saint Louis · 10 Meadow Cir Dr suite 108
Public School House Presents: School of OZ on July 25th
Cottleville · Public School House
Public School House Presents: School of OZ on July 25th
Cottleville · Public School House
Dogs of Society—Ultimate Elton Rock Tribute
Sat, Aug 29, 7:00 PM
Chesterfield · Chesterfield Amphitheater
Dogs of Society—Ultimate Elton Rock Tribute
Sat, Aug 29, 7:00 PM
Chesterfield · Chesterfield Amphitheater
An Evening with Joss Richard, in conversation with Bal Khabra
Wed, Aug 12, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
An Evening with Joss Richard, in conversation with Bal Khabra
Wed, Aug 12, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
GATEway FATE 2026
Sat, Oct 17, 11:00 AM
Saint Charles · St. Charles Convention Center
GATEway FATE 2026
Sat, Oct 17, 11:00 AM
Saint Charles · St. Charles Convention Center
Mahjong 101 at Magpies
Today at 5:00 PM
Saint Charles · Magpie's Restaurant
Mahjong 101 at Magpies
Today at 5:00 PM
Saint Charles · Magpie's Restaurant

Trends in O'Fallon

Explore more trends

Explore more trends

Frequently asked questions about O'Fallon

What are the best events to attend?

According to Eventbrite, the best events are:

An Evening with Kristin Harmel for Meet Me in Paris

2026 STLYHFC 4v4 High School Summer Showdown

Public School House Presents: School of OZ on July 16th

Public School House Presents: School of OZ on July 17th

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

carnival festival

events happening today near me

Which events are coming up?

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

Mahjong 101 at Magpies

An Evening with USA Today Bestselling Author Elizabeth Helen

Lakeside Bookshop's Book Bedazzling Party

An Evening with NYT Bestselling Author Shari Lapena| August 2