Halloween Events and Things to do in Ontario, CA

In-person class: Intro to the Art of Sushi (Los Angeles)
Today at 6:00 PM + 5 more
Los Angeles · Green Haus kitchen studio
In-person class: Intro to the Art of Sushi (Los Angeles)
Today at 6:00 PM + 5 more
Los Angeles · Green Haus kitchen studio
Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
THE ROOM (2003)(R) & BIG SHARK (2023)(PG-13) w Greg Sestero In-Person 6pm
Sat, Jun 20, 6:00 PM
Gardena · Gardena Cinema
THE ROOM (2003)(R) & BIG SHARK (2023)(PG-13) w Greg Sestero In-Person 6pm
Sat, Jun 20, 6:00 PM
Gardena · Gardena Cinema
Galloween a Comedy Paint and Sip
Sat, Oct 10, 11:00 AM
Riverside · Back To The Grind
Galloween a Comedy Paint and Sip
Sat, Oct 10, 11:00 AM
Riverside · Back To The Grind
Newport Beach Halloween Party Pub Crawl 2026 Halloween Night
Sat, Oct 31, 6:00 PM
Newport Beach · Baja Sharkeez
Newport Beach Halloween Party Pub Crawl 2026 Halloween Night
Sat, Oct 31, 6:00 PM
Newport Beach · Baja Sharkeez
Peepshow Menagerie's "Dead-Beats Club" - Horror Trivia & Burlesque
Thu, May 14, 9:00 PM
Anaheim · Doll Hut
Peepshow Menagerie's "Dead-Beats Club" - Horror Trivia & Burlesque
Thu, May 14, 9:00 PM
Anaheim · Doll Hut
Hollywood Ghoul's Ball Ministry Pageant
Sun, Jun 28, 7:00 PM
Los Angeles · Knucklehead Hollywood
Hollywood Ghoul's Ball Ministry Pageant
Sun, Jun 28, 7:00 PM
Los Angeles · Knucklehead Hollywood
Shock Rock Spectacular — Kiss, Alice Cooper & Black Sabbath Tributes
Sat, Oct 10, 6:00 PM
Hemet · 27400 Ramona Bowl Rd
Shock Rock Spectacular — Kiss, Alice Cooper & Black Sabbath Tributes
Sat, Oct 10, 6:00 PM
Hemet · 27400 Ramona Bowl Rd
Just added
Open Your Mic: No Tricks Just Treats - Voices of Fall
Fri, Oct 30, 7:00 PM
Los Angeles · New Musicals Inc.
Just added
Open Your Mic: No Tricks Just Treats - Voices of Fall
Fri, Oct 30, 7:00 PM
Los Angeles · New Musicals Inc.
Goth Pride 2026, bands, drag, dark art vendors, DJ, and community, 18+
Sat, Jun 13, 9:00 PM
Los Angeles · The Teragram Ballroom
Goth Pride 2026, bands, drag, dark art vendors, DJ, and community, 18+
Sat, Jun 13, 9:00 PM
Los Angeles · The Teragram Ballroom
Moms Who Make
Friday at 9:20 AM + 1 more
Riverside · 1522 Heather Ln
Moms Who Make
Friday at 9:20 AM + 1 more
Riverside · 1522 Heather Ln
Thursday Halloween Night Tickets
Fri, May 8, 8:00 PM + 51 more
Garden Grove · 8516 Garden Grove Blvd
Thursday Halloween Night Tickets
Fri, May 8, 8:00 PM + 51 more
Garden Grove · 8516 Garden Grove Blvd
Family Paint Party
Tue, May 19, 6:30 PM
Upland · Last Name Brewing
Family Paint Party
Tue, May 19, 6:30 PM
Upland · Last Name Brewing
Boos & Brews 5k x Transplants Brewing Co | 2026 CA Brewery Running Series
Sat, Oct 24, 10:00 AM
Palmdale · Transplants Brewing Company
Boos & Brews 5k x Transplants Brewing Co | 2026 CA Brewery Running Series
Sat, Oct 24, 10:00 AM
Palmdale · Transplants Brewing Company
Almost full
5th Annual Anti Human Trafficking Walk for Youth
Sat, May 16, 11:00 AM
Upland · Upland Memorial Park
Almost full
5th Annual Anti Human Trafficking Walk for Youth
Sat, May 16, 11:00 AM
Upland · Upland Memorial Park
Selling fast
Mothers Day Special: creating a masterpiece together
Sat, May 9, 10:30 AM
Lake Elsinore · Outlets at Lake Elsinore
Selling fast
Mothers Day Special: creating a masterpiece together
Sat, May 9, 10:30 AM
Lake Elsinore · Outlets at Lake Elsinore
Conscious Living Circle
Sat, Jun 6, 9:00 AM + 30 more
Walnut · Aroma Craft Coffee
Conscious Living Circle
Sat, Jun 6, 9:00 AM + 30 more
Walnut · Aroma Craft Coffee
Cooper Museum Speaker Series: The Surprising History of American Funerals
Thu, Oct 29, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: The Surprising History of American Funerals
Thu, Oct 29, 6:30 PM
Upland · 217 E A St
Family Paint Party
Fri, Oct 30, 7:00 PM
Claremont · Grafted Cellars Winery & Restaurant
Family Paint Party
Fri, Oct 30, 7:00 PM
Claremont · Grafted Cellars Winery & Restaurant

Trends in Ontario

Explore more trends

In-person class: Intro to the Art of Sushi (Los Angeles)

In-person class: Intro to the Art of Sushi (Los Angeles)

Halloween Family Glow Party

Halloween Family Glow Party

THE ROOM (2003)(R) & BIG SHARK (2023)(PG-13) w Greg Sestero In-Person 6pm

THE ROOM (2003)(R) & BIG SHARK (2023)(PG-13) w Greg Sestero In-Person 6pm

Galloween a Comedy Paint and Sip

Galloween a Comedy Paint and Sip

Newport Beach Halloween Party Pub Crawl 2026 Halloween Night

Newport Beach Halloween Party Pub Crawl 2026 Halloween Night

Peepshow Menagerie's "Dead-Beats Club" - Horror Trivia & Burlesque

Peepshow Menagerie's "Dead-Beats Club" - Horror Trivia & Burlesque

Hollywood Ghoul's Ball Ministry Pageant

Hollywood Ghoul's Ball Ministry Pageant

Shock Rock Spectacular — Kiss, Alice Cooper & Black Sabbath Tributes

Shock Rock Spectacular — Kiss, Alice Cooper & Black Sabbath Tributes

Open Your Mic: No Tricks Just Treats - Voices of Fall

Open Your Mic: No Tricks Just Treats - Voices of Fall

Goth Pride 2026, bands, drag, dark art vendors, DJ, and community, 18+

Goth Pride 2026, bands, drag, dark art vendors, DJ, and community, 18+

Moms Who Make

Moms Who Make

Thursday Halloween Night Tickets

Thursday Halloween Night Tickets

Family Paint Party

Family Paint Party

Boos & Brews 5k x Transplants Brewing Co | 2026 CA Brewery Running Series

Boos & Brews 5k x Transplants Brewing Co | 2026 CA Brewery Running Series

5th Annual Anti Human Trafficking Walk for Youth

5th Annual Anti Human Trafficking Walk for Youth

Mothers Day Special: creating a masterpiece together

Mothers Day Special: creating a masterpiece together

Conscious Living Circle

Conscious Living Circle

Cooper Museum Speaker Series: The Surprising History of American Funerals

Cooper Museum Speaker Series: The Surprising History of American Funerals

Family Paint Party

Family Paint Party

Things to do around Ontario

Trends in Ontario

1. Ontario convention center

2. Job fairs

3. Easter

4. Egg hunt

5. Inland empire

6. Mix champagne lounge

7. Free kids

8. Speed dating

9. Comedy show

10. Car shows

11. Concerts

12. Mother's day