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find Halloween events for every vibe.

Halloween events in Ontario, CA

Halloween Mask - Paper Mache Workshop
Sun, Oct 19, 10:00 AM
Vista del Mar · 2172 Pacific Ave
Halloween Mask - Paper Mache Workshop
Sun, Oct 19, 10:00 AM
Vista del Mar · 2172 Pacific Ave
LOS ANGELES ZOMBIE CRAWL - Halloween Bar Crawl - 10+ Bars - Oct 31st
Fri, Oct 31, 7:00 PM
Downtown · Karl Strauss Brewing Company
LOS ANGELES ZOMBIE CRAWL - Halloween Bar Crawl - 10+ Bars - Oct 31st
Fri, Oct 31, 7:00 PM
Downtown · Karl Strauss Brewing Company
Peepshow Menagerie's "Famous Monstergirls Of Burlesque" (Night Two)
Fri, Oct 24, 8:30 PM
Historic District · Doll Hut
Peepshow Menagerie's "Famous Monstergirls Of Burlesque" (Night Two)
Fri, Oct 24, 8:30 PM
Historic District · Doll Hut
2025 Pasadena, CA Halloween Bar Crawl
Sat, Nov 1, 4:00 PM
Downtown · Behind Bars
2025 Pasadena, CA Halloween Bar Crawl
Sat, Nov 1, 4:00 PM
Downtown · Behind Bars
THE NEXUS: a halloween party
Fri, Oct 31, 7:00 PM
Downtown Alhambra · happy humble hub
THE NEXUS: a halloween party
Fri, Oct 31, 7:00 PM
Downtown Alhambra · happy humble hub
HALLOWEEN REGGAETON COSTUME PARTY: TRAVESURAS
Sat, Oct 25, 9:00 PM
Downtown · 18 Social
HALLOWEEN REGGAETON COSTUME PARTY: TRAVESURAS
Sat, Oct 25, 9:00 PM
Downtown · 18 Social
HALLOWEEN NIGHT @ BLEU NIGHT CLUB ,FRIDAY OCT 31ST
Fri, Oct 31, 10:00 PM
Civic Center · Bleu Restaurant & Dancing
HALLOWEEN NIGHT @ BLEU NIGHT CLUB ,FRIDAY OCT 31ST
Fri, Oct 31, 10:00 PM
Civic Center · Bleu Restaurant & Dancing
Halloween Party at Fountain Valley Promenade
Sat, Oct 25, 11:00 AM
Fountain Valley · Fountain Valley Promenade
Halloween Party at Fountain Valley Promenade
Sat, Oct 25, 11:00 AM
Fountain Valley · Fountain Valley Promenade
LOS ANGELES HALLOWEEN BAR CRAWL - 10+ Bars - Nov 1st
Sat, Nov 1, 7:00 PM
Downtown · Karl Strauss Brewing Company
LOS ANGELES HALLOWEEN BAR CRAWL - 10+ Bars - Nov 1st
Sat, Nov 1, 7:00 PM
Downtown · Karl Strauss Brewing Company
SCN: Tower of Terror: Halloween Rooftop Costume Party 21+ in LA!
Fri, Oct 31, 10:00 PM
Koreatown · Apartment 503 Rooftop Nightclub
SCN: Tower of Terror: Halloween Rooftop Costume Party 21+ in LA!
Fri, Oct 31, 10:00 PM
Koreatown · Apartment 503 Rooftop Nightclub
Halloween Party - True House Tuesdays
Tue, Oct 28, 9:00 PM
Ocean View · The Circle OC
Halloween Party - True House Tuesdays
Tue, Oct 28, 9:00 PM
Ocean View · The Circle OC
Drafted's 2nd Annual Singles Halloween Party
Sat, Oct 25, 9:00 PM
Hollywood · St Felix Hollywood
Drafted's 2nd Annual Singles Halloween Party
Sat, Oct 25, 9:00 PM
Hollywood · St Felix Hollywood
HALLOWEEN COSTUME ROOFTOP PARTY @ ELEVATE LOUNGE DTLA: COLLEGE NIGHT 18+
Thu, Oct 30, 10:00 PM
Downtown · Elevate Lounge
HALLOWEEN COSTUME ROOFTOP PARTY @ ELEVATE LOUNGE DTLA: COLLEGE NIGHT 18+
Thu, Oct 30, 10:00 PM
Downtown · Elevate Lounge
Paint and Sip Halloween Inspired
Sat, Oct 18, 4:00 PM
College Park East · 12872 Valley View St
Paint and Sip Halloween Inspired
Sat, Oct 18, 4:00 PM
College Park East · 12872 Valley View St
Just added!
Playground Halloween Party
Fri, Oct 31, 8:00 PM
Downtown · Playground Mini Golf
Just added!
Playground Halloween Party
Fri, Oct 31, 8:00 PM
Downtown · Playground Mini Golf
Just added!
Harvard Halloween Party
Fri, Oct 17, 7:00 PM
Upland Palms · Harvard St Halloween Party
Just added!
Harvard Halloween Party
Fri, Oct 17, 7:00 PM
Upland Palms · Harvard St Halloween Party
WelbeHealth - Pasadena Halloween Friendly Friday - Bring Your Clients!
Fri, Oct 31, 8:30 AM
Raymond Hill · 50 Alessandro Pl a20
WelbeHealth - Pasadena Halloween Friendly Friday - Bring Your Clients!
Fri, Oct 31, 8:30 AM
Raymond Hill · 50 Alessandro Pl a20
The Halloween Hangoever
Thu, Oct 30, 9:00 PM
Downtown · Prospect Park Downtown Los Angeles
The Halloween Hangoever
Thu, Oct 30, 9:00 PM
Downtown · Prospect Park Downtown Los Angeles
Let's Go Ghouls Halloween Party - Girls Only
Sat, Oct 25, 6:00 PM
Menifee · 25740 Mountain Park Dr
Let's Go Ghouls Halloween Party - Girls Only
Sat, Oct 25, 6:00 PM
Menifee · 25740 Mountain Park Dr
Friday Oct 31st Halloween Night "THE PURGE" | Orange County | 18+
Fri, Oct 31, 10:00 PM
Civic Center · Bleu Restaurant & Dancing
Friday Oct 31st Halloween Night "THE PURGE" | Orange County | 18+
Fri, Oct 31, 10:00 PM
Civic Center · Bleu Restaurant & Dancing

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