Halloween party events in Ontario, CA

AAF OC + OCPRSA 2025 Annual Holiday Party
Thu, Dec 4, 6:00 PM
Irvine · The Goldfinch Restaurant
AAF OC + OCPRSA 2025 Annual Holiday Party
Thu, Dec 4, 6:00 PM
Irvine · The Goldfinch Restaurant
Singles Party
Tue, Dec 2, 5:00 PM + 8 more
Diamond Bar · Diamond Bar
Singles Party
Tue, Dec 2, 5:00 PM + 8 more
Diamond Bar · Diamond Bar
Ladies' Soirée: Holiday Networking Party
Fri, Dec 12, 6:30 PM
Anaheim · 1238 S Beach Blvd unit j
Ladies' Soirée: Holiday Networking Party
Fri, Dec 12, 6:30 PM
Anaheim · 1238 S Beach Blvd unit j
Sales end soon
Dinner with Entrepreneurs Chino: Girls Night Out Edition
Tomorrow at 7:00 PM + 13 more
Chino Hills · Restaurant of the Week
Sales end soon
Dinner with Entrepreneurs Chino: Girls Night Out Edition
Tomorrow at 7:00 PM + 13 more
Chino Hills · Restaurant of the Week
Singles Party
Tue, Dec 2, 5:00 PM + 8 more
Eastvale · Eastvale
Singles Party
Tue, Dec 2, 5:00 PM + 8 more
Eastvale · Eastvale
Friday Nights in Eastvale | Dinner with New Friends: Small Town Edition
Fri, Nov 21, 7:00 PM + 13 more
Eastvale · Restaurant of the Week
Friday Nights in Eastvale | Dinner with New Friends: Small Town Edition
Fri, Nov 21, 7:00 PM + 13 more
Eastvale · Restaurant of the Week
PRE THANKSGIVING BASH @ THE BASEMENT WEDNESDAY NOV 26 : 2 ROOMS 18+
Wed, Nov 26, 9:30 PM
Pomona · the basement – pomona
PRE THANKSGIVING BASH @ THE BASEMENT WEDNESDAY NOV 26 : 2 ROOMS 18+
Wed, Nov 26, 9:30 PM
Pomona · the basement – pomona
Sales end soon
Surge Thursdays at Chako’s Social — Open Format with DJ Bugs Funky
Thursday at 10:00 PM + 63 more
Fullerton · Chako's Social
Sales end soon
Surge Thursdays at Chako’s Social — Open Format with DJ Bugs Funky
Thursday at 10:00 PM + 63 more
Fullerton · Chako's Social
Sales end soon
Diwali + Aarti’s Birthday Extravaganza! - Presale General Admission – $40
Sunday at 4:00 PM
Orange · Tandoor Cuisine of India
Sales end soon
Diwali + Aarti’s Birthday Extravaganza! - Presale General Admission – $40
Sunday at 4:00 PM
Orange · Tandoor Cuisine of India
Selling quickly
Huntington Beach POA Annual Christmas Party
Fri, Dec 5, 6:00 PM
Huntington Beach · Huntington Beach Elks Lodge #1959
Selling quickly
Huntington Beach POA Annual Christmas Party
Fri, Dec 5, 6:00 PM
Huntington Beach · Huntington Beach Elks Lodge #1959
Annual Gingerbread House Decorating Party
Sun, Dec 7, 12:00 PM
Pasadena · Vroman's Bookstore
Annual Gingerbread House Decorating Party
Sun, Dec 7, 12:00 PM
Pasadena · Vroman's Bookstore
Riverside St. Patrick's Day Bar Crawl
Sat, Mar 14, 1:00 PM
Riverside · Killer Queens Social House
Riverside St. Patrick's Day Bar Crawl
Sat, Mar 14, 1:00 PM
Riverside · Killer Queens Social House
Sales end soon
OC SASA Diwali Party
Saturday at 6:30 PM
Irvine · Pavilion Park
Sales end soon
OC SASA Diwali Party
Saturday at 6:30 PM
Irvine · Pavilion Park
Table 4 Tonight: Upland | Dinner with Strangers small town
Fri, Nov 28, 7:00 PM + 13 more
Upland · Restaurant of the Week
Table 4 Tonight: Upland | Dinner with Strangers small town
Fri, Nov 28, 7:00 PM + 13 more
Upland · Restaurant of the Week
Sales end soon
Wednesdays in La Habra | Dinner with Strangers
Tomorrow at 7:00 PM + 57 more
La Habra · Restaurant of the Week
Sales end soon
Wednesdays in La Habra | Dinner with Strangers
Tomorrow at 7:00 PM + 57 more
La Habra · Restaurant of the Week
Family Paint Party
Fri, Dec 5, 7:30 PM
Pasadena · Hilton Pasadena
Family Paint Party
Fri, Dec 5, 7:30 PM
Pasadena · Hilton Pasadena
Sip, Paint & Sparkle – A Festive Holiday Craft Night!
Wed, Dec 10, 7:00 PM
Claremont · Grafted Cellars Winery & Restaurant
Sip, Paint & Sparkle – A Festive Holiday Craft Night!
Wed, Dec 10, 7:00 PM
Claremont · Grafted Cellars Winery & Restaurant
Selling quickly
Speed Dating | MAKE | Ages 28-40 | Anaheim Packing District
Thu, Nov 20, 7:00 PM
Anaheim · MAKE
Selling quickly
Speed Dating | MAKE | Ages 28-40 | Anaheim Packing District
Thu, Nov 20, 7:00 PM
Anaheim · MAKE

Trends in Ontario

Explore more trends

AAF OC + OCPRSA 2025 Annual Holiday Party

AAF OC + OCPRSA 2025 Annual Holiday Party

Singles Party

Singles Party

Ladies' Soirée: Holiday Networking Party

Ladies' Soirée: Holiday Networking Party

Dinner with Entrepreneurs Chino: Girls Night Out Edition

Dinner with Entrepreneurs Chino: Girls Night Out Edition

Singles Party

Singles Party

Friday Nights in Eastvale | Dinner with New Friends: Small Town Edition

Friday Nights in Eastvale | Dinner with New Friends: Small Town Edition

PRE THANKSGIVING BASH @ THE BASEMENT WEDNESDAY NOV 26 : 2 ROOMS 18+

PRE THANKSGIVING BASH @ THE BASEMENT WEDNESDAY NOV 26 : 2 ROOMS 18+

Surge Thursdays at Chako’s Social — Open Format with DJ Bugs Funky

Surge Thursdays at Chako’s Social — Open Format with DJ Bugs Funky

Diwali + Aarti’s Birthday Extravaganza! - Presale General Admission – $40

Diwali + Aarti’s Birthday Extravaganza! - Presale General Admission – $40

Huntington Beach POA Annual Christmas Party

Huntington Beach POA Annual Christmas Party

Annual Gingerbread House Decorating Party

Annual Gingerbread House Decorating Party

Riverside St. Patrick's Day Bar Crawl

Riverside St. Patrick's Day Bar Crawl

OC SASA Diwali Party

OC SASA Diwali Party

Table 4 Tonight: Upland | Dinner with Strangers small town

Table 4 Tonight: Upland | Dinner with Strangers small town

Wednesdays in La Habra | Dinner with Strangers

Wednesdays in La Habra | Dinner with Strangers

Family Paint Party

Family Paint Party

Sip, Paint & Sparkle – A Festive Holiday Craft Night!

Sip, Paint & Sparkle – A Festive Holiday Craft Night!

Speed Dating | MAKE | Ages 28-40 | Anaheim Packing District

Speed Dating | MAKE | Ages 28-40 | Anaheim Packing District

Things to do around Ontario

Trends in Ontario

1. Halloween events

2. Ontario convention center

3. Trunk or treat

4. Inland empire

5. Halloween

6. Job fairs

7. Free kids

8. Concerts

9. Mix champagne lounge

10. Free turkey giveaway

11. Trick or trunk

12. Fall festival