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Events and Things to do in Ontario, CA

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

2026 KACEP Summer Golf Tournament
Sat, Jun 13, 11:00 AM
La Mirada · La Mirada Golf Course
2026 KACEP Summer Golf Tournament
Sat, Jun 13, 11:00 AM
La Mirada · La Mirada Golf Course
Tired of Chasing Prospects? Build Referral Partners Instead.
Thu, Jun 4, 11:30 AM + 13 more
Fullerton · Fullerton Community Center
Tired of Chasing Prospects? Build Referral Partners Instead.
Thu, Jun 4, 11:30 AM + 13 more
Fullerton · Fullerton Community Center
Sales end soon
Byrna LE T3 Certification Course - Whittier CA
Wednesday at 8:00 AM
Whittier · Whittier College
Sales end soon
Byrna LE T3 Certification Course - Whittier CA
Wednesday at 8:00 AM
Whittier · Whittier College
Leading Effective Teams 1 Day Workshop |Moreno Valley, CA
Fri, Jun 19, 9:00 AM + 1 more
Moreno Valley · For venue details reach us at info@learnerring.com
Leading Effective Teams 1 Day Workshop |Moreno Valley, CA
Fri, Jun 19, 9:00 AM + 1 more
Moreno Valley · For venue details reach us at info@learnerring.com
Stilo Rolas Funk and Oldies Concert With Brunch and Dance Floor
Sat, Jun 20, 12:00 PM + 83 more
Fullerton · Chako's Social
Stilo Rolas Funk and Oldies Concert With Brunch and Dance Floor
Sat, Jun 20, 12:00 PM + 83 more
Fullerton · Chako's Social
Bend & Brew Brewery Yoga
Sun, Jun 14, 11:00 AM + 6 more
Anaheim · Unsung Brewing Company
Bend & Brew Brewery Yoga
Sun, Jun 14, 11:00 AM + 6 more
Anaheim · Unsung Brewing Company
CESA-SC 2026 Angels Game
Thu, Aug 13, 5:30 PM
Anaheim · Angel Stadium
CESA-SC 2026 Angels Game
Thu, Aug 13, 5:30 PM
Anaheim · Angel Stadium
Sales end soon
Paint Nite Brand Creative Events
Thursday at 7:00 PM
Duarte · Old Spaghetti Factory
Sales end soon
Paint Nite Brand Creative Events
Thursday at 7:00 PM
Duarte · Old Spaghetti Factory
Foodies + New Friends: Moreno Valley Dinner Meet
Sunday at 7:00 PM + 30 more
Moreno Valley · Restaurant of the Week
Foodies + New Friends: Moreno Valley Dinner Meet
Sunday at 7:00 PM + 30 more
Moreno Valley · Restaurant of the Week
Sales end soon
Couples' Date Night (French Cuisine), $170 for couple
Friday at 6:00 PM
Monrovia · Saute Culinary Academy
Sales end soon
Couples' Date Night (French Cuisine), $170 for couple
Friday at 6:00 PM
Monrovia · Saute Culinary Academy
Going fast
2026 Pan Pacific Swimming Championships - hosted in Irvine, CA
Wed, Aug 12, 8:00 AM
Irvine · William Woollett Jr. Aquatics Center
Going fast
2026 Pan Pacific Swimming Championships - hosted in Irvine, CA
Wed, Aug 12, 8:00 AM
Irvine · William Woollett Jr. Aquatics Center
Sales end soon
Foodies + New Friends: Orange | Charity Edition
Friday at 7:00 PM + 30 more
Orange · Restaurant of the Week
Sales end soon
Foodies + New Friends: Orange | Charity Edition
Friday at 7:00 PM + 30 more
Orange · Restaurant of the Week
Going fast
MIKE ZITO - Blues-Rock Great - in Arcadia!
Saturday at 5:00 PM
Arcadia · Matt Denny's Ale House Restaurant
Going fast
MIKE ZITO - Blues-Rock Great - in Arcadia!
Saturday at 5:00 PM
Arcadia · Matt Denny's Ale House Restaurant
Only a Few Seats Left for ITIL 5 in Fullerton, CA – Register Today
Thursday at 9:00 AM + 3 more
Brea · 135 S State College Blvd
Only a Few Seats Left for ITIL 5 in Fullerton, CA – Register Today
Thursday at 9:00 AM + 3 more
Brea · 135 S State College Blvd
"The Harvest Is Abundant..." - Luke 10:2
Sat, Jul 18, 8:00 AM
Whittier · St Bruno Catholic Church
"The Harvest Is Abundant..." - Luke 10:2
Sat, Jul 18, 8:00 AM
Whittier · St Bruno Catholic Church
626 Night Market - Arcadia | June 19-21, 2026
Fri, Jun 19, 3:00 PM
Arcadia · Santa Anita Park
626 Night Market - Arcadia | June 19-21, 2026
Fri, Jun 19, 3:00 PM
Arcadia · Santa Anita Park
Psychic Circle Divination Event-IpsoFacto-Aug16,6:30-CarlYoung/TerriKennedy
Sun, Aug 16, 6:30 PM
Fullerton · Ipso Facto
Psychic Circle Divination Event-IpsoFacto-Aug16,6:30-CarlYoung/TerriKennedy
Sun, Aug 16, 6:30 PM
Fullerton · Ipso Facto
Monrovia Music Fest with VIP LOUNGE
Sun, Jun 28, 12:00 PM
Monrovia · Library Park
Monrovia Music Fest with VIP LOUNGE
Sun, Jun 28, 12:00 PM
Monrovia · Library Park
Men's Conference 2026
Whittier · 6355 Greenleaf Ave
Men's Conference 2026
Whittier · 6355 Greenleaf Ave
Sales end soon
D&D Event: A Stranger Things Themed Adventure
Saturday at 1:00 PM
Tustin · Fishbowl Studio Prints
Sales end soon
D&D Event: A Stranger Things Themed Adventure
Saturday at 1:00 PM
Tustin · Fishbowl Studio Prints

Trends in Ontario

Explore more trends

Explore more trends

Frequently asked questions about Ontario

What are the best events to attend?

According to Eventbrite, the best events are:

2026 KACEP Summer Golf Tournament

Tired of Chasing Prospects? Build Referral Partners Instead.

Leading Effective Teams 1 Day Workshop |Moreno Valley, CA

Stilo Rolas Funk and Oldies Concert With Brunch and Dance Floor

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 events are coming up?

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

Byrna LE T3 Certification Course - Whittier CA

Only a Few Seats Left for ITIL 5 in Fullerton, CA – Register Today

Paint Nite Brand Creative Events

Couples' Date Night (French Cuisine), $170 for couple