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find Halloween events for every vibe.

Charity & causes events in Ontario, CA

Search for something you love or check out popular events in your area.

Selling quickly
SWE OC Volunteers at Girl Scouts of OC STEM EXPO
Sun, Nov 2, 1:00 PM
Costa Mesa · 88 Fair Dr
Selling quickly
SWE OC Volunteers at Girl Scouts of OC STEM EXPO
Sun, Nov 2, 1:00 PM
Costa Mesa · 88 Fair Dr
Cure JM Regional Conference - Southern California - October 18, 2025
Sat, Oct 18, 12:00 PM
South Harbor · Early College High School
Cure JM Regional Conference - Southern California - October 18, 2025
Sat, Oct 18, 12:00 PM
South Harbor · Early College High School
Gospel Jazz Night
Fri, Nov 7, 6:30 PM
Downtown · 44418 20th St W
Gospel Jazz Night
Fri, Nov 7, 6:30 PM
Downtown · 44418 20th St W
EMPOWER ME WORKSHOPS & SISTERHOOD LUNCH
Sat, Nov 8, 8:00 AM
Downtown · 44418 20th St W
EMPOWER ME WORKSHOPS & SISTERHOOD LUNCH
Sat, Nov 8, 8:00 AM
Downtown · 44418 20th St W
Bingo Nights Perris
Thursday at 4:00 PM + 5 more
California · 18700 Lake Perris Dr
Bingo Nights Perris
Thursday at 4:00 PM + 5 more
California · 18700 Lake Perris Dr
Sales end soon
Kiehls Breast Cancer Awareness Celebration!
Thursday at 1:00 PM
Little India · Kiehl's Since 1851
Sales end soon
Kiehls Breast Cancer Awareness Celebration!
Thursday at 1:00 PM
Little India · Kiehl's Since 1851
2nd Annual One Day Women's Orphanage Trip
Wed, Nov 5, 5:00 AM
Lake Elsinore · Keller Williams Realty The Lakes
2nd Annual One Day Women's Orphanage Trip
Wed, Nov 5, 5:00 AM
Lake Elsinore · Keller Williams Realty The Lakes
CORE (Community Organized Relief Effort) Job Fair
Fri, Oct 17, 10:00 AM
Christmas Tree Lane · CORE Rebuild Resource HUB
CORE (Community Organized Relief Effort) Job Fair
Fri, Oct 17, 10:00 AM
Christmas Tree Lane · CORE Rebuild Resource HUB
Wresting Is 4 The Dogs Charity Event
Sat, Nov 15, 3:00 PM
Chatsworth · Millennium Wrestling Academy
Wresting Is 4 The Dogs Charity Event
Sat, Nov 15, 3:00 PM
Chatsworth · Millennium Wrestling Academy
HOPE's 16th Annual Charity Golf Classic
Mon, Nov 3, 8:30 AM
College Park East · Old Ranch Country Club
HOPE's 16th Annual Charity Golf Classic
Mon, Nov 3, 8:30 AM
College Park East · Old Ranch Country Club
Guided Tours 2025
Sat, Nov 1, 11:30 AM + 3 more
Downtown · Pasadena Humane
Guided Tours 2025
Sat, Nov 1, 11:30 AM + 3 more
Downtown · Pasadena Humane
Adaptive Sports Festival 2025
Sat, Nov 15, 9:00 AM
South Arroyo · Brookside Park
Adaptive Sports Festival 2025
Sat, Nov 15, 9:00 AM
South Arroyo · Brookside Park
LOV Olive Branches presents Trans4mation 4 Cycles of Life
Wed, Nov 5, 4:00 PM
Downtown · 300 E Colorado Blvd suite 150
LOV Olive Branches presents Trans4mation 4 Cycles of Life
Wed, Nov 5, 4:00 PM
Downtown · 300 E Colorado Blvd suite 150
Free $20,000 Grant to buy or refinance your home!
Sat, Oct 18, 10:00 AM
Walker · Southeast Rio Vista YMCA at Maywood Center
Free $20,000 Grant to buy or refinance your home!
Sat, Oct 18, 10:00 AM
Walker · Southeast Rio Vista YMCA at Maywood Center
Ice Skating Fundraiser
Fri, Dec 12, 7:30 PM
Village Niguel Vistas II · Aliso Viejo Ice Palace
Ice Skating Fundraiser
Fri, Dec 12, 7:30 PM
Village Niguel Vistas II · Aliso Viejo Ice Palace
Shop For Good Holiday Festival Long Beach
Sat, Nov 22, 12:00 PM
Los Altos · Sports Basement Long Beach
Shop For Good Holiday Festival Long Beach
Sat, Nov 22, 12:00 PM
Los Altos · Sports Basement Long Beach
Sales end soon
Breast Cancer Awarness Luncheon: Spreading Hope, Support & Early Detection
Sat, Oct 18, 12:00 PM
Los Altos · Long Beach Marriott
Sales end soon
Breast Cancer Awarness Luncheon: Spreading Hope, Support & Early Detection
Sat, Oct 18, 12:00 PM
Los Altos · Long Beach Marriott
FLY FOR A CAUSE
Tue, Oct 28, 1:00 PM
Long Beach · 4150 Donald Douglas Dr
FLY FOR A CAUSE
Tue, Oct 28, 1:00 PM
Long Beach · 4150 Donald Douglas Dr
Noel Community Organization Food Distribution
Sat, Oct 25, 10:00 AM + 2 more
Hollydale · Truevine MBC
Noel Community Organization Food Distribution
Sat, Oct 25, 10:00 AM + 2 more
Hollydale · Truevine MBC
Irby Park Native Garden Volunteer Day
Today at 8:00 AM + 92 more
Edinger · 16700 Dale Vista Ln
Irby Park Native Garden Volunteer Day
Today at 8:00 AM + 92 more
Edinger · 16700 Dale Vista Ln

Trends in Ontario

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Frequently asked questions about Ontario

What are the best events to attend?

According to Eventbrite, the best events are:

SWE OC Volunteers at Girl Scouts of OC STEM EXPO

Cure JM Regional Conference - Southern California - October 18, 2025

Gospel Jazz Night

EMPOWER ME WORKSHOPS & SISTERHOOD LUNCH

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

halloween events

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Irby Park Native Garden Volunteer Day

Kiehls Breast Cancer Awareness Celebration!

Bingo Nights Perris

CORE (Community Organized Relief Effort) Job Fair