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Halloween events in Ontario, CA

Riverside Official Halloween Bar Crawl
Fri, Oct 31, 5:00 PM
Killer Queens Social House
Riverside Official Halloween Bar Crawl
Fri, Oct 31, 5:00 PM
Killer Queens Social House
626 Night Market: August 29-31
Fri, Aug 29, 4:00 PM
Santa Anita Park
626 Night Market: August 29-31
Fri, Aug 29, 4:00 PM
Santa Anita Park
2025 Beautification Awards
Wed, Aug 13, 7:30 AM
Azusa Woman's Club
2025 Beautification Awards
Wed, Aug 13, 7:30 AM
Azusa Woman's Club
Pop-Up Park Picnic: Couple Date Night (Self-Guided) - Orange Area!
Today at 1:00 PM + 1 more
Eisenhower Park - Recommended Park Venue or another park choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Pop-Up Park Picnic: Couple Date Night (Self-Guided) - Orange Area!
Today at 1:00 PM + 1 more
Eisenhower Park - Recommended Park Venue or another park choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Multi-Set Horror-Themed Studio - JULY
Today at 7:00 PM + 3 more
3204 W Magnolia Blvd
Multi-Set Horror-Themed Studio - JULY
Today at 7:00 PM + 3 more
3204 W Magnolia Blvd
HHRD SoCal Annual Fundraiser
Sat, Aug 30, 7:00 PM
222 N Vineyard Ave
HHRD SoCal Annual Fundraiser
Sat, Aug 30, 7:00 PM
222 N Vineyard Ave
Pop-Up Park Picnic: Couple Date Night (Self-Guided) - Fullerton Area!
Today at 1:00 PM + 1 more
Acacia Park - Recommended Park Venue or another park choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Pop-Up Park Picnic: Couple Date Night (Self-Guided) - Fullerton Area!
Today at 1:00 PM + 1 more
Acacia Park - Recommended Park Venue or another park choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
ResinMania 6 Hashoween Havoc
Sat, Oct 11, 4:30 PM
BMO Stadium
ResinMania 6 Hashoween Havoc
Sat, Oct 11, 4:30 PM
BMO Stadium
The Official Halloween Bar Crawl (Fri & Sat) - Riverside
Fri, Oct 31, 4:00 PM
Lake Alice Trading Co.
The Official Halloween Bar Crawl (Fri & Sat) - Riverside
Fri, Oct 31, 4:00 PM
Lake Alice Trading Co.
Just added!
Summerween Movie Night: Scream & Trivia Under the Stars
Fri, Aug 8, 7:30 PM
Whitnall Highway Park South
Just added!
Summerween Movie Night: Scream & Trivia Under the Stars
Fri, Aug 8, 7:30 PM
Whitnall Highway Park South
Pride Never Ends: K-pop Demon Hunters Dance Party
Sat, Aug 16, 6:00 PM
8920 Vernon Ave
Pride Never Ends: K-pop Demon Hunters Dance Party
Sat, Aug 16, 6:00 PM
8920 Vernon Ave
Pop-Up Park Picnic: Couple Date Night (Self-Guided) - Azusa Area!
Today at 1:00 PM + 1 more
Northside Park - Recommended Park Venue or another park choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
Pop-Up Park Picnic: Couple Date Night (Self-Guided) - Azusa Area!
Today at 1:00 PM + 1 more
Northside Park - Recommended Park Venue or another park choice (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
4th Annual Birthing Season Conference: Labor And Delivery
Sat, Sep 20, 1:00 PM
Victory Outreach Riverside
4th Annual Birthing Season Conference: Labor And Delivery
Sat, Sep 20, 1:00 PM
Victory Outreach Riverside
55th Annual Opal, Gem & Jewelry Show
Sat, Oct 18, 10:00 AM
The Velvet Rose Event Center
55th Annual Opal, Gem & Jewelry Show
Sat, Oct 18, 10:00 AM
The Velvet Rose Event Center
A Faery Hunt Show and Fairy Halloween Party
Sun, Oct 12, 10:30 AM
Tarzana Community & Cultural Center
A Faery Hunt Show and Fairy Halloween Party
Sun, Oct 12, 10:30 AM
Tarzana Community & Cultural Center
Slasher Flea Market Redlands
Fri, Aug 8, 5:00 PM
The Hideout At Good Trouble
Slasher Flea Market Redlands
Fri, Aug 8, 5:00 PM
The Hideout At Good Trouble
Adage's Annual TLCC Party
Tue, Aug 12, 7:00 PM
Puesto Anaheim
Adage's Annual TLCC Party
Tue, Aug 12, 7:00 PM
Puesto Anaheim
The Dollhouse Burlesque Presents: MAIN CHARACTER ENERGY
Sun, Aug 31, 8:00 PM
The Hideaway Cafe & Lounge
The Dollhouse Burlesque Presents: MAIN CHARACTER ENERGY
Sun, Aug 31, 8:00 PM
The Hideaway Cafe & Lounge
Black Raven Marketplace "Love Bleeds 2"
Sun, Oct 5, 9:00 AM
7000 Beach Blvd
Black Raven Marketplace "Love Bleeds 2"
Sun, Oct 5, 9:00 AM
7000 Beach Blvd
Summer Social Series Pilates| Speed Dating| Flower arranging Workshop
Sun, Aug 10, 2:00 PM + 2 more
100 Piccolo
Summer Social Series Pilates| Speed Dating| Flower arranging Workshop
Sun, Aug 10, 2:00 PM + 2 more
100 Piccolo

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