Halloween Events Near Ontario 2026
Your guide to the best Halloween events near Ontario
Ontario lights up Halloween 2026 across the main district and airport-adjacent neighborhoods with ghostly tours and frightful events.
Plan to see spooky happenings, fall entertainment and Halloween gatherings including haunted houses, family festivals and pumpkin displays.
Editor's Picks
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CHS Haunt: Escape the Murder Castle
Walkthrough haunt inspired by serial killer H.H. Holmes' infamous castle.
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Haunted Mansion Holiday
· Whittier
Ghoul-tide surprises inspired by Tim Burton's The Nightmare Before Christmas.
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Castle Dark
· Riverside
Haunted theme park event with mazes, scare zones, and unlimited rides.
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The Haunted Harvest
· Chino
Six haunted houses spread across a two-acre corn maze.
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Haunted Fullerton Walking Tour
· Fullerton
Includes a ghoulish cocktail mixer and visits haunted downtown locations.
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Irvine Park Railroad Pumpkin Patch
· Orange
Features train rides, a hay maze, and a kid-friendly haunted house.
Events Happening Soon
Browse Halloween Near Ontario by Category
Family-Friendly Fall Activities
Features train rides, a hay maze, and a kid-friendly haunted house.
Haunted Experiences
Walkthrough haunt inspired by serial killer H.H. Holmes' infamous castle.
Halloween Food, Drink, and Parties
Costumed murder mystery dinner with three-course meal
Halloween Movies, Theater, and Entertainment
Halloween themes and classical works performed by the Orchid Quartet under candlelight.
Unique & Unusual Halloween Events
Includes a ghoulish cocktail mixer and visits haunted downtown locations.
Latest News & Updates
Stay informed about Halloween events and activities near Ontario
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See every Halloween event, haunted attraction, and pumpkin patch on one map.
