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find Halloween events for every vibe.

Psychedelic festivals events in Ontario, CA

Sales end soon
For The Culture Barber & Beauty Expo
Sunday at 12:00 PM
Rochester · Majestic Banquet & Events Venue
Sales end soon
For The Culture Barber & Beauty Expo
Sunday at 12:00 PM
Rochester · Majestic Banquet & Events Venue
Desert Daze Presents: Nour Harkati
Sun, Nov 23, 6:00 PM
Cypress Park · Permanent Records Roadhouse
Desert Daze Presents: Nour Harkati
Sun, Nov 23, 6:00 PM
Cypress Park · Permanent Records Roadhouse
NIGHTMARE ON FOOTHILL BLVD
Sun, Oct 19, 4:00 PM
Downtown · Epic Events Center
NIGHTMARE ON FOOTHILL BLVD
Sun, Oct 19, 4:00 PM
Downtown · Epic Events Center
250th USMC Birthday Festival
Mon, Nov 10, 3:00 PM
Archiblad Ranch · Side Action Apparel Headquarters
250th USMC Birthday Festival
Mon, Nov 10, 3:00 PM
Archiblad Ranch · Side Action Apparel Headquarters
Etiwanda Community Festival
Sat, Nov 1, 9:00 AM
Victoria · Etiwanda Community Church
Etiwanda Community Festival
Sat, Nov 1, 9:00 AM
Victoria · Etiwanda Community Church
Ontario Arts Festival
Sat, Oct 18, 10:00 AM
El Morado Court · 217 S Lemon Ave
Ontario Arts Festival
Sat, Oct 18, 10:00 AM
El Morado Court · 217 S Lemon Ave
Free Admission. First Annual Fall Art Festival At Dos Lagos In Corona Ca
Sat, Oct 25, 11:00 AM
Dos Lagos · The Shops at Dos Lagos
Free Admission. First Annual Fall Art Festival At Dos Lagos In Corona Ca
Sat, Oct 25, 11:00 AM
Dos Lagos · The Shops at Dos Lagos
IE Live Market Halloween Event
Sat, Oct 18, 10:00 AM
Muscoy · 2450 Blake St
IE Live Market Halloween Event
Sat, Oct 18, 10:00 AM
Muscoy · 2450 Blake St
A Taste of Old Town Monrovia 2025
Sun, Oct 26, 5:00 PM
Victoria Place · 535 S Myrtle Ave
A Taste of Old Town Monrovia 2025
Sun, Oct 26, 5:00 PM
Victoria Place · 535 S Myrtle Ave
2025 California Wine Festival - Huntington Beach - October 17-18
Pacific City · Paséa Hotel & Spa
2025 California Wine Festival - Huntington Beach - October 17-18
Pacific City · Paséa Hotel & Spa
IE Live Market Halloween Event
Sat, Oct 18, 10:00 AM
Muscoy · 2450 Blake St
IE Live Market Halloween Event
Sat, Oct 18, 10:00 AM
Muscoy · 2450 Blake St
Los Angeles Halloween Party | Angels & Demons
Sat, Nov 1, 9:00 PM
Downtown · Level 8
Los Angeles Halloween Party | Angels & Demons
Sat, Nov 1, 9:00 PM
Downtown · Level 8
Fall Bash 2025
Sun, Oct 26, 2:00 PM
Pathfinder · Landmark Church
Fall Bash 2025
Sun, Oct 26, 2:00 PM
Pathfinder · Landmark Church
Tamborazo Fest Pomona
Sun, Nov 2, 3:00 PM
Arrow Corridor · 2201 N White Ave
Tamborazo Fest Pomona
Sun, Nov 2, 3:00 PM
Arrow Corridor · 2201 N White Ave
NSG Pop-Up Experience Part 8 (Black Sunday/Live Boxing Edition)
Sun, Nov 30, 12:00 PM
Foothill Boulevard · NSG Boxing & Community Center
NSG Pop-Up Experience Part 8 (Black Sunday/Live Boxing Edition)
Sun, Nov 30, 12:00 PM
Foothill Boulevard · NSG Boxing & Community Center
"DEATH OF R&B" HALLOWEEN EDITION
Sun, Oct 26, 2:30 PM
Downtown · Downtown Experiment
"DEATH OF R&B" HALLOWEEN EDITION
Sun, Oct 26, 2:30 PM
Downtown · Downtown Experiment
51st Annual SCB Symposium: Birds, Bees, Flies, and Seeds
Sat, Nov 1, 8:00 AM
North Pomona · Pomona College—Seaver Auditorium Seaver North,
51st Annual SCB Symposium: Birds, Bees, Flies, and Seeds
Sat, Nov 1, 8:00 AM
North Pomona · Pomona College—Seaver Auditorium Seaver North,
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
Bzzy Movement - Rave Till The Grave
Fri, Oct 17, 8:00 PM
Downtown · Glendora Event Center
Bzzy Movement - Rave Till The Grave
Fri, Oct 17, 8:00 PM
Downtown · Glendora Event Center
Desert Daze Presents: Healing Potpourri, Tiny Music, Roy Werner
Today at 6:00 PM
Cypress Park · Permanent Records Roadhouse
Desert Daze Presents: Healing Potpourri, Tiny Music, Roy Werner
Today at 6:00 PM
Cypress Park · Permanent Records Roadhouse

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