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Free Events and Things to do in O'fallon, IL

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2026 Annual NO COVER Mollyween Costume Bash!
Saturday at 8:00 PM
Soulard · Mollys in Soulard
2026 Annual NO COVER Mollyween Costume Bash!
Saturday at 8:00 PM
Soulard · Mollys in Soulard
Movie Screening & Reception-A Black History Tour of St. Louis
Mon, Oct 26, 4:45 PM
Edwardsville · Dunham Hall
Movie Screening & Reception-A Black History Tour of St. Louis
Mon, Oct 26, 4:45 PM
Edwardsville · Dunham Hall
Almost full
St. Louis Career Fair
Fri, Nov 13, 9:30 AM
Downtown · The Westin St. Louis
Almost full
St. Louis Career Fair
Fri, Nov 13, 9:30 AM
Downtown · The Westin St. Louis
St. Louis Fall Craft and Vendor Market
Sat, Nov 7, 11:00 AM
Pontiac · St. Clair Square
St. Louis Fall Craft and Vendor Market
Sat, Nov 7, 11:00 AM
Pontiac · St. Clair Square
Almost full
Lifesavers Banquet 2026 | Presented by Behavioral Health Response
Saturday at 6:00 PM
Downtown West · 21c Museum Hotel St Louis
Almost full
Lifesavers Banquet 2026 | Presented by Behavioral Health Response
Saturday at 6:00 PM
Downtown West · 21c Museum Hotel St Louis
Sales end soon
Edcamp on the Road!
Saturday at 8:00 AM
Fox · Rung for Women
Sales end soon
Edcamp on the Road!
Saturday at 8:00 AM
Fox · Rung for Women
SIUE Veteran's Day Luncheon
Wed, Nov 11, 11:30 AM
Edwardsville · Morris University Center
SIUE Veteran's Day Luncheon
Wed, Nov 11, 11:30 AM
Edwardsville · Morris University Center
Selling fast
2026 SIU System Reception and Social
Thu, Oct 29, 5:30 PM
Lafayette Square · Gatsby Events
Selling fast
2026 SIU System Reception and Social
Thu, Oct 29, 5:30 PM
Lafayette Square · Gatsby Events
Selling fast
Illinois Central School Bus Hiring Event
Tomorrow at 12:00 PM
Shiloh · Golden Corral Buffet & Grill
Selling fast
Illinois Central School Bus Hiring Event
Tomorrow at 12:00 PM
Shiloh · Golden Corral Buffet & Grill
Sales end soon
Uptown Collinsville Fall Festival
Saturday at 10:00 AM
Collinsville · Uptown Collinsville
Sales end soon
Uptown Collinsville Fall Festival
Saturday at 10:00 AM
Collinsville · Uptown Collinsville
Budgets & Brews: A Night of Brotherhood, Wealth, & Growth
Wednesday at 5:30 PM
Downtown West · The Schlafly Tap Room
Budgets & Brews: A Night of Brotherhood, Wealth, & Growth
Wednesday at 5:30 PM
Downtown West · The Schlafly Tap Room
Selling fast
Breastfeeding Class
Wed, Nov 11, 6:00 PM
Chinatown · Anderson Hospital
Selling fast
Breastfeeding Class
Wed, Nov 11, 6:00 PM
Chinatown · Anderson Hospital
Sales end soon
House Music 4th Friday STL
Friday at 8:00 PM + 11 more
Midtown · Foundry Way
Sales end soon
House Music 4th Friday STL
Friday at 8:00 PM + 11 more
Midtown · Foundry Way
Sales end soon
Business Planning Clinic W/ Jesse Coleman
Friday at 9:00 AM
Leclaire · 1254 University Dr
Sales end soon
Business Planning Clinic W/ Jesse Coleman
Friday at 9:00 AM
Leclaire · 1254 University Dr
Almost full
ConnectSTL Community, Culture & Impact Celebration
Thursday at 3:00 PM
Midtown · SLU Center For Global Citizenship
Almost full
ConnectSTL Community, Culture & Impact Celebration
Thursday at 3:00 PM
Midtown · SLU Center For Global Citizenship
SLICE 2026
Sat, Oct 31, 10:00 AM
Covenant Blu · The Sheldon Concert Hall and Art Galleries
SLICE 2026
Sat, Oct 31, 10:00 AM
Covenant Blu · The Sheldon Concert Hall and Art Galleries
Almost full
Lecture: Weaving and Modernism
Sat, Nov 7, 11:00 AM
Covenant Blu · Pulitzer Arts Foundation
Almost full
Lecture: Weaving and Modernism
Sat, Nov 7, 11:00 AM
Covenant Blu · Pulitzer Arts Foundation
Brother to Brother Luggage Service
Tue, Nov 3, 8:00 AM
Columbus Square · St. Louis
Brother to Brother Luggage Service
Tue, Nov 3, 8:00 AM
Columbus Square · St. Louis
The Cave: A Prophetic Encounter
Fri, Oct 30, 7:00 PM
Pontiac · Fairview Heights
The Cave: A Prophetic Encounter
Fri, Oct 30, 7:00 PM
Pontiac · Fairview Heights
Sunday Brunch Hand Crochet & Sip Party
Sun, Oct 25, 1:00 PM
Bunkum · 9612 Fairmont Rd
Sunday Brunch Hand Crochet & Sip Party
Sun, Oct 25, 1:00 PM
Bunkum · 9612 Fairmont Rd

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:

2026 Annual NO COVER Mollyween Costume Bash!

Movie Screening & Reception-A Black History Tour of St. Louis

St. Louis Career Fair

St. Louis Fall Craft and Vendor Market

Which events are currently trending in O'fallon?

The trending searches this month in O'fallon are:

halloween events

events happening today near me

scramble golf tournaments

Which free events are coming up?

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

Illinois Central School Bus Hiring Event

Budgets & Brews: A Night of Brotherhood, Wealth, & Growth

ConnectSTL Community, Culture & Impact Celebration

Business Planning Clinic W/ Jesse Coleman