Halloween party Events and Things to do in Santa Ana, CA
HALLOWEEN NIGHT @ OC FAIRGROUNDS $10 W/RSVP BEFORE 10:30PM | 18+
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
HALLOWEEN NIGHT @ OC FAIRGROUNDS $10 W/RSVP BEFORE 10:30PM | 18+
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
OC FairGrounds Halloween Night, October 31st $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
OC FairGrounds Halloween Night, October 31st $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
Orange County: SCREAM FEST — w/ GEO @ The Circle [18+]
Saturday at 9:00 PM
Huntington Beach · The Circle OC
Orange County: SCREAM FEST — w/ GEO @ The Circle [18+]
Saturday at 9:00 PM
Huntington Beach · The Circle OC
OC Fairgrounds Halloween Costume Party, October 31st
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
OC Fairgrounds Halloween Costume Party, October 31st
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
Halloween Night @ OC Fairgrounds $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
Halloween Night @ OC Fairgrounds $10 w/rsvp before 10:30pm
Saturday at 10:00 PM
Costa Mesa · OC Fairground Costa Mesa Building
Titanic Masquerade Newport Beach OC Halloween Party Cruise
Saturday at 7:00 PM
Newport Beach · Endless Dreams Yacht Newport Beach
Titanic Masquerade Newport Beach OC Halloween Party Cruise
Saturday at 7:00 PM
Newport Beach · Endless Dreams Yacht Newport Beach
PROJECT NIGHTMARE @ OC FAIRGROUNDS SATURDAY OCT 31ST | HALLOWEEN
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
PROJECT NIGHTMARE @ OC FAIRGROUNDS SATURDAY OCT 31ST | HALLOWEEN
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
PROJECT NIGHTMARE @ OC FAIR & EVENT CENTER | OCTOBER 31ST
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
PROJECT NIGHTMARE @ OC FAIR & EVENT CENTER | OCTOBER 31ST
Saturday at 10:00 PM
Costa Mesa · OC Fair & Event Center
HUNTINGTON BEACH ZOMBIE CRAWL - Halloween Bar Crawl - 8+ Bars - Oct 30 & 31
Friday at 7:00 PM + 1 more
Huntington Beach · Fred's Mexican Cafe
HUNTINGTON BEACH ZOMBIE CRAWL - Halloween Bar Crawl - 8+ Bars - Oct 30 & 31
Friday at 7:00 PM + 1 more
Huntington Beach · Fred's Mexican Cafe
Newport Beach Halloween Party Pub Crawl 2026 Halloween Night
Saturday at 6:00 PM
Newport Beach · Baja Sharkeez
Newport Beach Halloween Party Pub Crawl 2026 Halloween Night
Saturday at 6:00 PM
Newport Beach · Baja Sharkeez
La Mirage Nightclub 18+ | HALLOWEEN NIGHT SATURDAY October 31
Saturday at 9:00 PM
Artesia · La Mirage Restaurant & Nightclub
La Mirage Nightclub 18+ | HALLOWEEN NIGHT SATURDAY October 31
Saturday at 9:00 PM
Artesia · La Mirage Restaurant & Nightclub
Terror in Tulum: Halloween Costume Party at Casa de Onda, Costa Mesa
Saturday at 9:00 PM
Costa Mesa · Casa de Onda
Terror in Tulum: Halloween Costume Party at Casa de Onda, Costa Mesa
Saturday at 9:00 PM
Costa Mesa · Casa de Onda
Masquerade Macabre: Halloween Masquerade Party at Casa de Onda, Costa Mesa
Friday at 9:00 PM
Costa Mesa · Casa de Onda
Masquerade Macabre: Halloween Masquerade Party at Casa de Onda, Costa Mesa
Friday at 9:00 PM
Costa Mesa · Casa de Onda
![Orange County: SCREAM FEST — w/ GEO @ The Circle [18+] primary image](https://img.evbuc.com/https%3A%2F%2Fcdn.evbuc.com%2Fimages%2F1196674683%2F159033129452%2F1%2Foriginal.20261027-120510?crop=focalpoint&fit=crop&w=640&auto=format%2Ccompress&q=75&sharp=10&fp-x=0.5&fp-y=0.5&s=dc25e8bac85f0dbf9fd80dde4a23d9fe)
