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find Halloween events for every vibe.

Free halloween events in Ontario, CA

Just added!
FREE Halloween Event at Total Wireless!
Fri, Oct 31, 5:00 PM
Baldwin Park · 4000 La Rica Ave
Just added!
FREE Halloween Event at Total Wireless!
Fri, Oct 31, 5:00 PM
Baldwin Park · 4000 La Rica Ave
Sales end soon
FREE Halloween Event at Total Wireless!
Saturday at 12:00 PM
Garden Grove · 12843 Harbor Blvd
Sales end soon
FREE Halloween Event at Total Wireless!
Saturday at 12:00 PM
Garden Grove · 12843 Harbor Blvd
Sales end soon
Monsters on the Move - A FREE Halloween Candy Crawl Event
Saturday at 11:00 AM
Redlands · Citrus Plaza
Sales end soon
Monsters on the Move - A FREE Halloween Candy Crawl Event
Saturday at 11:00 AM
Redlands · Citrus Plaza
Sales end soon
FREE HALLOWEEN COSTUME PARTY IN DTLA
Saturday at 10:00 PM
Los Angeles · Crocker Club
Sales end soon
FREE HALLOWEEN COSTUME PARTY IN DTLA
Saturday at 10:00 PM
Los Angeles · Crocker Club
Sales end soon
Fall Bash 2025
Sunday at 2:00 PM
Diamond Bar · Landmark Church
Sales end soon
Fall Bash 2025
Sunday at 2:00 PM
Diamond Bar · Landmark Church
Haunted HEAT Halloween
Fri, Oct 31, 9:30 PM
Anaheim · HEAT Ultra Lounge
Haunted HEAT Halloween
Fri, Oct 31, 9:30 PM
Anaheim · HEAT Ultra Lounge
Keller Williams Premier Properties Annual Trick or Treat Party
Tuesday at 6:00 PM
Pomona · Keller Williams Premier Properties
Keller Williams Premier Properties Annual Trick or Treat Party
Tuesday at 6:00 PM
Pomona · Keller Williams Premier Properties
Sales end soon
Halloween Costume Ball Murder Mystery Dinner
Tomorrow at 6:00 PM
Chino Hills · Los Serranos Country Club
Sales end soon
Halloween Costume Ball Murder Mystery Dinner
Tomorrow at 6:00 PM
Chino Hills · Los Serranos Country Club
Selling quickly
Pisos Sobre Mesas: Free Halloween Costume Party
Fri, Oct 31, 9:00 PM
Los Angeles · The Association
Selling quickly
Pisos Sobre Mesas: Free Halloween Costume Party
Fri, Oct 31, 9:00 PM
Los Angeles · The Association
Selling quickly
Anaheim Town Square's Spooktacular Halloween Celebration
Sunday at 3:00 PM
Anaheim · Anaheim Town Square
Selling quickly
Anaheim Town Square's Spooktacular Halloween Celebration
Sunday at 3:00 PM
Anaheim · Anaheim Town Square
Sales end soon
I.E FRIGHT NIGHT [PRE- HALLOWEEN COSTUME PARTY] @ FLYWAY POMONA ROOFTOP 18+
Tomorrow at 10:00 PM
Pomona · Flyway
Sales end soon
I.E FRIGHT NIGHT [PRE- HALLOWEEN COSTUME PARTY] @ FLYWAY POMONA ROOFTOP 18+
Tomorrow at 10:00 PM
Pomona · Flyway
Nearly full
Free Trunk or Treat Community Event
Thu, Oct 30, 5:30 PM
Anaheim · 505 N Euclid St
Nearly full
Free Trunk or Treat Community Event
Thu, Oct 30, 5:30 PM
Anaheim · 505 N Euclid St
Halloween Night. COSTUME CONTEST, FREE WITH RSVP , FRI OCT 31
Fri, Oct 31, 8:00 PM
Whittier · Sage Restaurant & Lounge
Halloween Night. COSTUME CONTEST, FREE WITH RSVP , FRI OCT 31
Fri, Oct 31, 8:00 PM
Whittier · Sage Restaurant & Lounge
Halloween Spooktacular
Fri, Oct 31, 4:00 PM
Anaheim · Anaheim Hills Festival
Halloween Spooktacular
Fri, Oct 31, 4:00 PM
Anaheim · Anaheim Hills Festival
Main Event Montclair-Halloween Boo-wling Spooktacular
Thu, Oct 30, 5:00 PM
Montclair · Main Event Montclair
Main Event Montclair-Halloween Boo-wling Spooktacular
Thu, Oct 30, 5:00 PM
Montclair · Main Event Montclair
Selling quickly
Halloween Soiree`
Fri, Oct 31, 8:00 PM
Anaheim · Foundation Room Anaheim
Selling quickly
Halloween Soiree`
Fri, Oct 31, 8:00 PM
Anaheim · Foundation Room Anaheim
Sales end soon
Spooktacular Halloween Celebration at 99 Ranch Market! - Rowland Heights
Saturday at 11:00 AM + 1 more
Rowland Heights · 1015 S Nogales St
Sales end soon
Spooktacular Halloween Celebration at 99 Ranch Market! - Rowland Heights
Saturday at 11:00 AM + 1 more
Rowland Heights · 1015 S Nogales St
Sales end soon
Haunted HEAT Horror Night
Saturday at 9:30 PM
Anaheim · HEAT Ultra Lounge
Sales end soon
Haunted HEAT Horror Night
Saturday at 9:30 PM
Anaheim · HEAT Ultra Lounge
The 951 Market -Halloween
Saturday at 3:00 PM
Riverside · Norton Younglove Community Center
The 951 Market -Halloween
Saturday at 3:00 PM
Riverside · Norton Younglove Community Center
Selling quickly
Haunted Halloween Party at Morgan Park
Saturday at 11:00 AM
Baldwin Park · Morgan park
Selling quickly
Haunted Halloween Party at Morgan Park
Saturday at 11:00 AM
Baldwin Park · Morgan park

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