Your version of Internet Explorer is no longer supported. Please upgrade your browser.

Halloween events in Ontario, CA

SON OF MONSTERPALOOZA - Burbank - 2025
Vega · The Marriott Burbank Convention Center & Hotel
SON OF MONSTERPALOOZA - Burbank - 2025
Vega · The Marriott Burbank Convention Center & Hotel
626 Night Market: August 29-31
Fri, Aug 29, 4:00 PM
Santa Anita · Santa Anita Park
626 Night Market: August 29-31
Fri, Aug 29, 4:00 PM
Santa Anita · Santa Anita Park
Pomona Children's Festival 2025
Sat, Sep 20, 10:00 AM
Arrow Corridor · Ganesha Park Pool
Pomona Children's Festival 2025
Sat, Sep 20, 10:00 AM
Arrow Corridor · Ganesha Park Pool
Yoga & Picnic
Sunday at 10:00 AM
Los Olivos · Red Hill Park
Yoga & Picnic
Sunday at 10:00 AM
Los Olivos · Red Hill Park
Nosferatu - A Vampire Silent Movie
Sat, Oct 25, 12:00 PM
Downtown · Mission Inn Hotel & Spa
Nosferatu - A Vampire Silent Movie
Sat, Oct 25, 12:00 PM
Downtown · Mission Inn Hotel & Spa
Intro to Woodburning Class
Sat, Sep 27, 2:00 PM
Downtown Fullerton · Allison's Goods
Intro to Woodburning Class
Sat, Sep 27, 2:00 PM
Downtown Fullerton · Allison's Goods
Michelada & Taco Festival's Trunk or treat
Sat, Oct 25, 3:00 PM
Jurupa Valley · 6280 Mission Blvd
Michelada & Taco Festival's Trunk or treat
Sat, Oct 25, 3:00 PM
Jurupa Valley · 6280 Mission Blvd
LONG BEACH - Family Rave - Spooky Beats 'n Treats
Sun, Oct 26, 2:00 PM
Alamitos Beach · Altar Society Brewing and Coffee Co.
LONG BEACH - Family Rave - Spooky Beats 'n Treats
Sun, Oct 26, 2:00 PM
Alamitos Beach · Altar Society Brewing and Coffee Co.
Moon Festival
Mon, Oct 6, 6:00 PM
Ramona · Riverside Heritage House
Moon Festival
Mon, Oct 6, 6:00 PM
Ramona · Riverside Heritage House
Haunted Blood Vessel | Marina Del Rey Halloween Party Cruise
Fri, Oct 31, 8:00 PM
Machado · Entertainer Yacht
Haunted Blood Vessel | Marina Del Rey Halloween Party Cruise
Fri, Oct 31, 8:00 PM
Machado · Entertainer Yacht
ResinMania 6 Hashoween Havoc
Sat, Oct 11, 4:30 PM
Exposition Park · BMO Stadium
ResinMania 6 Hashoween Havoc
Sat, Oct 11, 4:30 PM
Exposition Park · BMO Stadium
4th Annual Birthing Season Conference: Labor And Delivery
Sat, Sep 20, 1:00 PM
Riverside Junction · Victory Outreach Riverside
4th Annual Birthing Season Conference: Labor And Delivery
Sat, Sep 20, 1:00 PM
Riverside Junction · Victory Outreach Riverside
Trick or Drink: The Official Sunset Strip Halloween Bar Crawl (3 Days)
Crescent · Saddle Ranch Chop House
Trick or Drink: The Official Sunset Strip Halloween Bar Crawl (3 Days)
Crescent · Saddle Ranch Chop House
Trick or Drink: Santa Monica Halloween Bar Crawl (3 Days)
Montana · Britannia Pub
Trick or Drink: Santa Monica Halloween Bar Crawl (3 Days)
Montana · Britannia Pub
Just added!
LIGHT THE NIGHT
Fri, Oct 31, 5:00 PM
Century · 9550 Crenshaw Blvd
Just added!
LIGHT THE NIGHT
Fri, Oct 31, 5:00 PM
Century · 9550 Crenshaw Blvd
AbilityFirst Stroll and Roll Fundraiser
Sat, Nov 8, 10:00 AM
Santa Anita · Santa Anita Park Gate 3
AbilityFirst Stroll and Roll Fundraiser
Sat, Nov 8, 10:00 AM
Santa Anita · Santa Anita Park Gate 3
Four Seasons Benefit Fashion Show Luncheon & Shopping Event
Sun, Oct 5, 11:00 AM
Downtown · Riverside Woman's Club
Four Seasons Benefit Fashion Show Luncheon & Shopping Event
Sun, Oct 5, 11:00 AM
Downtown · Riverside Woman's Club
55th Annual Opal, Gem & Jewelry Show
Sat, Oct 18, 10:00 AM
Park Royale · The Velvet Rose Event Center
55th Annual Opal, Gem & Jewelry Show
Sat, Oct 18, 10:00 AM
Park Royale · The Velvet Rose Event Center
A Faery Hunt Show and Fairy Halloween Party
Sun, Oct 12, 10:30 AM
Tarzana · Tarzana Community & Cultural Center
A Faery Hunt Show and Fairy Halloween Party
Sun, Oct 12, 10:30 AM
Tarzana · Tarzana Community & Cultural Center
The Dollhouse Burlesque Presents: MAIN CHARACTER ENERGY
Sun, Aug 31, 8:00 PM
Downtown · The Hideaway Cafe & Lounge
The Dollhouse Burlesque Presents: MAIN CHARACTER ENERGY
Sun, Aug 31, 8:00 PM
Downtown · The Hideaway Cafe & Lounge

Trends in Ontario

Explore more trends

Explore more trends