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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.

Jumpin' Into Easter All Ages Cookie Decorating Class
Sun, Mar 29, 1:00 PM
Rancho Cucamonga · 12420 Buttercup Way
Jumpin' Into Easter All Ages Cookie Decorating Class
Sun, Mar 29, 1:00 PM
Rancho Cucamonga · 12420 Buttercup Way
Easter Egg Hunt Activity Wristband
Sat, Apr 4, 9:00 AM
Norco · Wayne Makin Baseball Fields
Easter Egg Hunt Activity Wristband
Sat, Apr 4, 9:00 AM
Norco · Wayne Makin Baseball Fields
Sales end soon
Sunder + Vick Vapors + Holy Water: ALL AGES
Friday at 7:00 PM
Pomona · The Cathedral, 350 North Garey Avenue, Pomona, CA, USA
Sales end soon
Sunder + Vick Vapors + Holy Water: ALL AGES
Friday at 7:00 PM
Pomona · The Cathedral, 350 North Garey Avenue, Pomona, CA, USA
Atonement Understood - Pacific Systematic Theology Colloquium 2026
Fri, Apr 10, 6:00 PM
Ontario · Gateway Seminary
Atonement Understood - Pacific Systematic Theology Colloquium 2026
Fri, Apr 10, 6:00 PM
Ontario · Gateway Seminary
Sales end soon
REP YOUR SQUAD JERSEY PARTY
Sunday at 3:00 PM
Rancho Cucamonga · Epic Events Center
Sales end soon
REP YOUR SQUAD JERSEY PARTY
Sunday at 3:00 PM
Rancho Cucamonga · Epic Events Center
Tea Under the Big Top!
Sat, Apr 11, 11:30 AM
Claremont · Granite Creek Gardens
Tea Under the Big Top!
Sat, Apr 11, 11:30 AM
Claremont · Granite Creek Gardens
DBZ Backstage & ieALTPUNK Present AltPunkTakeOver
Sat, Apr 4, 6:00 PM
Corona · 317 W 6th St
DBZ Backstage & ieALTPUNK Present AltPunkTakeOver
Sat, Apr 4, 6:00 PM
Corona · 317 W 6th St
Sales end soon
5th Anniversary Fundraiser "A Queen's Meeting"
Sat, Mar 28, 10:00 AM
Riverside · Victoria Club
Sales end soon
5th Anniversary Fundraiser "A Queen's Meeting"
Sat, Mar 28, 10:00 AM
Riverside · Victoria Club
2026 E-Commerce and Logistics Summit
Thu, Apr 23, 8:00 AM
Pomona · Sheraton Fairplex Hotel & Conference Center
2026 E-Commerce and Logistics Summit
Thu, Apr 23, 8:00 AM
Pomona · Sheraton Fairplex Hotel & Conference Center
13th Annual Riverside Tamale Festival
Sat, Apr 18, 11:00 AM
Riverside · White Park
13th Annual Riverside Tamale Festival
Sat, Apr 18, 11:00 AM
Riverside · White Park
Sales end soon
Luck Of The IE Domino Tournament March 21, 2026
Saturday at 11:30 AM
Rancho Cucamonga · 4th & Mill
Sales end soon
Luck Of The IE Domino Tournament March 21, 2026
Saturday at 11:30 AM
Rancho Cucamonga · 4th & Mill
Healthcare and Business Networking | Elevating Your Potential - Ontario
Wed, Apr 29, 6:00 PM
Rancho Cucamonga · 4th & Mill
Healthcare and Business Networking | Elevating Your Potential - Ontario
Wed, Apr 29, 6:00 PM
Rancho Cucamonga · 4th & Mill
Sales end soon
Yoga & Journaling
Sunday at 11:00 AM
Rancho Cucamonga · Red Hill Park
Sales end soon
Yoga & Journaling
Sunday at 11:00 AM
Rancho Cucamonga · Red Hill Park
Bright Mic Entertainment & Legacy Entertainment Presents
Fri, Apr 3, 8:00 PM
Rancho Cucamonga · Epic Events Center
Bright Mic Entertainment & Legacy Entertainment Presents
Fri, Apr 3, 8:00 PM
Rancho Cucamonga · Epic Events Center
2026 Cuisines of the Foothills - A Foodie Adventure
Thu, Apr 9, 5:30 PM
Glendora · Glendora Country Club
2026 Cuisines of the Foothills - A Foodie Adventure
Thu, Apr 9, 5:30 PM
Glendora · Glendora Country Club
2026 Southern Divisions Convention
Sat, May 2, 8:00 AM
Riverside · Fox Performing Arts Center
2026 Southern Divisions Convention
Sat, May 2, 8:00 AM
Riverside · Fox Performing Arts Center
Color Fun Run | A Community Fundraiser for City of Hope
Sat, May 16, 9:00 AM
Upland · Sierra Vista Park
Color Fun Run | A Community Fundraiser for City of Hope
Sat, May 16, 9:00 AM
Upland · Sierra Vista Park
Going fast
16th Annual Glendora Wine Walk 2026
Saturday at 6:00 PM
Glendora · 200 N Glendora Ave
Going fast
16th Annual Glendora Wine Walk 2026
Saturday at 6:00 PM
Glendora · 200 N Glendora Ave
Sales end soon
Her Standard
Tomorrow at 5:00 PM
Chino Hills · 5871 Pine Ave
Sales end soon
Her Standard
Tomorrow at 5:00 PM
Chino Hills · 5871 Pine Ave
Park After Dark: Spring Break '99
Thu, Apr 23, 7:00 PM
Upland · Bullwinkle's Family Food & Fun
Park After Dark: Spring Break '99
Thu, Apr 23, 7:00 PM
Upland · Bullwinkle's Family Food & Fun

Trends in Ontario

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Frequently asked questions about Ontario

What are the best events to attend?

According to Eventbrite, the best events are:

Jumpin' Into Easter All Ages Cookie Decorating Class

Easter Egg Hunt Activity Wristband

Atonement Understood - Pacific Systematic Theology Colloquium 2026

REP YOUR SQUAD JERSEY PARTY

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

Which events are coming up?

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

Sunder + Vick Vapors + Holy Water: ALL AGES

Luck Of The IE Domino Tournament March 21, 2026

16th Annual Glendora Wine Walk 2026