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Community Events and Things to do in Ontario, CA

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

ISA Spring Social
Sat, Apr 25, 5:30 PM
Eastvale · Staybridge Suites Eastvale - Norco by IHG
ISA Spring Social
Sat, Apr 25, 5:30 PM
Eastvale · Staybridge Suites Eastvale - Norco by IHG
Spring Family Glow Party
Sat, Apr 25, 6:00 PM
Upland · 217 E A St
Spring Family Glow Party
Sat, Apr 25, 6:00 PM
Upland · 217 E A St
Just added
World Autism Month Community Fair & Open House at Behavior Genius
Wed, Apr 29, 3:00 PM
Ontario · Behavior Genius
Just added
World Autism Month Community Fair & Open House at Behavior Genius
Wed, Apr 29, 3:00 PM
Ontario · Behavior Genius
Evergreen Cemetery Tour
Friday at 10:00 AM
Riverside · Evergreen Memorial Park
Evergreen Cemetery Tour
Friday at 10:00 AM
Riverside · Evergreen Memorial Park
La Borracha Festival
Fri, May 8, 5:00 PM
Redlands · Edwards Mansion
La Borracha Festival
Fri, May 8, 5:00 PM
Redlands · Edwards Mansion
Just added
Cinco De Mayo Bar Crawl
Tue, May 5, 7:00 PM
Pomona · Luchador Bar+Kitchen
Just added
Cinco De Mayo Bar Crawl
Tue, May 5, 7:00 PM
Pomona · Luchador Bar+Kitchen
Courthouse, Murals, & Heroes Tour
Fri, Apr 10, 3:30 PM
Riverside · Mission Inn Foundation & Museum
Courthouse, Murals, & Heroes Tour
Fri, Apr 10, 3:30 PM
Riverside · Mission Inn Foundation & Museum
Star Wars Speed Dating
Mon, May 4, 7:00 PM
Riverside · BRÜE CRÜE
Star Wars Speed Dating
Mon, May 4, 7:00 PM
Riverside · BRÜE CRÜE
Hideaway Lounge History & Paranormal Tours
Sun, Apr 19, 4:00 PM
Riverside · THE HIDEAWAY CAFE & LOUNGE
Hideaway Lounge History & Paranormal Tours
Sun, Apr 19, 4:00 PM
Riverside · THE HIDEAWAY CAFE & LOUNGE
Historic Churches of Downtown Riverside
Sat, Apr 25, 10:30 AM
Riverside · Mission Inn Foundation & Museum
Historic Churches of Downtown Riverside
Sat, Apr 25, 10:30 AM
Riverside · Mission Inn Foundation & Museum
Viet Book Fest 2026
Sun, Apr 12, 10:00 AM
Santa Ana · Bowers Museum
Viet Book Fest 2026
Sun, Apr 12, 10:00 AM
Santa Ana · Bowers Museum
Beauty Of Grace And Forgiveness Woman’s Empowerment Event
Sat, Jul 18, 2:30 AM
Rancho Cucamonga · RhythmAddict Dance Center
Beauty Of Grace And Forgiveness Woman’s Empowerment Event
Sat, Jul 18, 2:30 AM
Rancho Cucamonga · RhythmAddict Dance Center
Cooper Museum Speaker Series: Alf Museum
Thu, Aug 27, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Alf Museum
Thu, Aug 27, 6:30 PM
Upland · 217 E A St
Fall Picnic at the Historic Chaffey Communities Cultural Center
Sun, Oct 11, 11:00 AM
Upland · Pioneer Park
Fall Picnic at the Historic Chaffey Communities Cultural Center
Sun, Oct 11, 11:00 AM
Upland · Pioneer Park
Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Upland · 217 E A St
Just added
Mother’s Day at Stacks: An Empowering Vibes Experience
Sat, May 9, 3:00 PM
Glendora · Stacks On Route 66
Just added
Mother’s Day at Stacks: An Empowering Vibes Experience
Sat, May 9, 3:00 PM
Glendora · Stacks On Route 66
Just added
Sip, Shop & Slay: A Pride Night Market
Sat, Jun 6, 5:00 PM
glendora · Britestar Tavern
Just added
Sip, Shop & Slay: A Pride Night Market
Sat, Jun 6, 5:00 PM
glendora · Britestar Tavern
Going fast
Affordable Housing Clearinghouse's 35th Anniversary Gala
Wednesday at 6:30 PM
Santa Ana · The Hacienda
Going fast
Affordable Housing Clearinghouse's 35th Anniversary Gala
Wednesday at 6:30 PM
Santa Ana · The Hacienda
Primavera entre Colombianas
Sun, Apr 5, 2:00 PM
Corona · Terramor
Primavera entre Colombianas
Sun, Apr 5, 2:00 PM
Corona · Terramor

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:

ISA Spring Social

Spring Family Glow Party

World Autism Month Community Fair & Open House at Behavior Genius

La Borracha Festival

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:

Affordable Housing Clearinghouse's 35th Anniversary Gala

Evergreen Cemetery Tour

Primavera entre Colombianas

Courthouse, Murals, & Heroes Tour