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Free Events and Things to do in Ontario, CA

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

Going fast
San Bernardino Hiring Event -Chino Community Building
Thu, Jun 18, 9:00 AM
Chino · Chino Community Building
Going fast
San Bernardino Hiring Event -Chino Community Building
Thu, Jun 18, 9:00 AM
Chino · Chino Community Building
An Evening at the Improv 6/17 7pm
Wed, Jun 17, 7:00 PM
Ontario · Ontario Improv
An Evening at the Improv 6/17 7pm
Wed, Jun 17, 7:00 PM
Ontario · Ontario Improv
Going fast
Community Job & Resource Fair
Monday at 10:00 AM
Ontario · 2000 E Convention Center Way
Going fast
Community Job & Resource Fair
Monday at 10:00 AM
Ontario · 2000 E Convention Center Way
Monster Mall: Monster Gothic
Sun, Jun 21, 12:00 PM
Chino · Brinderson Hall
Monster Mall: Monster Gothic
Sun, Jun 21, 12:00 PM
Chino · Brinderson Hall
Sales end soon
Southern California ReLiEF Risk Management Roundtable
Friday at 9:00 AM
Ontario · DoubleTree by Hilton Hotel Ontario Airport
Sales end soon
Southern California ReLiEF Risk Management Roundtable
Friday at 9:00 AM
Ontario · DoubleTree by Hilton Hotel Ontario Airport
Almost full
Spartan Demo Days | Riverside,CA
Saturday at 10:00 AM
Riverside · Spartan College of Aeronautics and Technology
Almost full
Spartan Demo Days | Riverside,CA
Saturday at 10:00 AM
Riverside · Spartan College of Aeronautics and Technology
Almost full
Players Game Wreck Free Event Seeking Vendors AD
Sat, Jul 18, 3:30 PM
Fontana · LA Fitness
Almost full
Players Game Wreck Free Event Seeking Vendors AD
Sat, Jul 18, 3:30 PM
Fontana · LA Fitness
Almost full
Grow Your Own Waterwise and Native Pollinator Supporting Plants from Seed
Sat, Jun 27, 9:00 AM
Montclair · Waterwise Community Center
Almost full
Grow Your Own Waterwise and Native Pollinator Supporting Plants from Seed
Sat, Jun 27, 9:00 AM
Montclair · Waterwise Community Center
Sales end soon
Goth Mall: The Cathedral
Saturday at 12:00 PM
Pomona · The Cathedral Pomona
Sales end soon
Goth Mall: The Cathedral
Saturday at 12:00 PM
Pomona · The Cathedral Pomona
Going fast
Independence At Home
Tomorrow at 12:00 PM
Ontario · Anthony Munoz Community Center
Going fast
Independence At Home
Tomorrow at 12:00 PM
Ontario · Anthony Munoz Community Center
Sales end soon
Waterwise Gardening for Pollinators
Saturday at 10:00 AM
Montclair · Waterwise Community Center
Sales end soon
Waterwise Gardening for Pollinators
Saturday at 10:00 AM
Montclair · Waterwise Community Center
Sales end soon
Probation Officer Applicant Workshop
Saturday at 8:00 AM
Rancho Cucamonga · San Bernardino County Probation Department Training Center
Sales end soon
Probation Officer Applicant Workshop
Saturday at 8:00 AM
Rancho Cucamonga · San Bernardino County Probation Department Training Center
Understanding Your Financials
Tuesday at 10:00 AM
Rancho Cucamonga · Rancho Chamber of Commerce, 9712 Foothill Blvd
Understanding Your Financials
Tuesday at 10:00 AM
Rancho Cucamonga · Rancho Chamber of Commerce, 9712 Foothill Blvd
Inland Empire Summer Food Festival
Sat, Jun 20, 2:00 PM
Riverside · 11800 Indiana Ave
Inland Empire Summer Food Festival
Sat, Jun 20, 2:00 PM
Riverside · 11800 Indiana Ave
Going fast
City of Fontana LISTOS Training (English)
Saturday at 9:00 AM
Fontana · Jack Bulik Sports Center
Going fast
City of Fontana LISTOS Training (English)
Saturday at 9:00 AM
Fontana · Jack Bulik Sports Center
Going fast
Business Essentials for New Business Owners
Thu, Jun 18, 5:00 PM
Montclair · Montclair City Hall - Theater Room
Going fast
Business Essentials for New Business Owners
Thu, Jun 18, 5:00 PM
Montclair · Montclair City Hall - Theater Room
Summer Wine Tasting with Plume Ridge Bottle Shop
Thu, Jun 25, 6:00 PM
Claremont · Claremont Craft Ales
Summer Wine Tasting with Plume Ridge Bottle Shop
Thu, Jun 25, 6:00 PM
Claremont · Claremont Craft Ales
San Bernardino County Hiring Event -WVAJCC
Wed, Jul 15, 9:00 AM
Rancho Cucamonga · West Valley America's Job Center
San Bernardino County Hiring Event -WVAJCC
Wed, Jul 15, 9:00 AM
Rancho Cucamonga · West Valley America's Job Center
Quinceanera.com Expo & Fashion Show | Ontario 2026
Sun, Aug 9, 12:00 PM
Ontario · 2000 E Convention Center Way
Quinceanera.com Expo & Fashion Show | Ontario 2026
Sun, Aug 9, 12:00 PM
Ontario · 2000 E Convention Center Way
International Yoga Day
Sun, Jun 21, 9:00 AM
Rancho Cucamonga · lululemon Victoria Gardens
International Yoga Day
Sun, Jun 21, 9:00 AM
Rancho Cucamonga · lululemon Victoria Gardens

Trends in Ontario

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Frequently asked questions about Ontario

What are the best free events to attend?

According to Eventbrite, the best free events are:

San Bernardino Hiring Event -Chino Community Building

An Evening at the Improv 6/17 7pm

Community Job & Resource Fair

Monster Mall: Monster Gothic

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

mix champagne lounge

beis warehouse sale

Which free events are coming up?

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

Independence At Home

Southern California ReLiEF Risk Management Roundtable

Probation Officer Applicant Workshop

City of Fontana LISTOS Training (English)