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find Halloween events for every vibe.

Holiday events in Ontario, CA

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

The 951 Market -Halloween
Sat, Oct 25, 3:00 PM
Cooley Ranch · Norton Younglove Community Center
The 951 Market -Halloween
Sat, Oct 25, 3:00 PM
Cooley Ranch · Norton Younglove Community Center
Sales end soon
Say Hello to Sip Then Shop's Oktoberfest at Brewery X!
Sunday at 12:00 PM
Olive · Brewery X, 3191 East La Palma Avenue, Anaheim, CA, USA
Sales end soon
Say Hello to Sip Then Shop's Oktoberfest at Brewery X!
Sunday at 12:00 PM
Olive · Brewery X, 3191 East La Palma Avenue, Anaheim, CA, USA
C.U.T.E. Trunk or Treat 2025
Thu, Oct 16, 3:00 PM
Valencia · 900 E Gilbert St
C.U.T.E. Trunk or Treat 2025
Thu, Oct 16, 3:00 PM
Valencia · 900 E Gilbert St
Fall Harvest Festival
Sat, Oct 25, 1:00 PM
West Side · Dunamis Power Christian Fell, Little Mountain Drive, San Bernardino, CA, USA
Fall Harvest Festival
Sat, Oct 25, 1:00 PM
West Side · Dunamis Power Christian Fell, Little Mountain Drive, San Bernardino, CA, USA
Anaheim Town Square's Spooktacular Halloween Celebration
Sun, Oct 26, 3:00 PM
East Anaheim · Anaheim Town Square
Anaheim Town Square's Spooktacular Halloween Celebration
Sun, Oct 26, 3:00 PM
East Anaheim · Anaheim Town Square
Pop Up: Winter Festival!
Sat, Dec 13, 12:00 PM
Downtown · Guanyin Tea House 月露茶屋
Pop Up: Winter Festival!
Sat, Dec 13, 12:00 PM
Downtown · Guanyin Tea House 月露茶屋
The North Tustin Fall Festival
Sat, Oct 11, 2:00 PM
Lemon Heights · Tustin Hills Racquet Club, Simon Ranch Road, Santa Ana, CA, USA
The North Tustin Fall Festival
Sat, Oct 11, 2:00 PM
Lemon Heights · Tustin Hills Racquet Club, Simon Ranch Road, Santa Ana, CA, USA
Halloween : Haunted Bay
Thu, Oct 30, 9:00 PM
Fullerton/Colima · Banana Bay Restaurant
Halloween : Haunted Bay
Thu, Oct 30, 9:00 PM
Fullerton/Colima · Banana Bay Restaurant
Sales end soon
2025 West Covina Moon Festival
Saturday at 11:00 AM
Civic Center · West Covina City Hall
Sales end soon
2025 West Covina Moon Festival
Saturday at 11:00 AM
Civic Center · West Covina City Hall
Just added!
Provident Pumpkin Patch - FREE EVENT
Sat, Oct 18, 11:00 AM
New Model Colony · 5329 Hamner Ave
Just added!
Provident Pumpkin Patch - FREE EVENT
Sat, Oct 18, 11:00 AM
New Model Colony · 5329 Hamner Ave
Just added!
Spellbound Sisterhood Market – Eastvale
Sat, Oct 18, 11:00 AM
New Model Colony · 4926 Hamner Ave
Just added!
Spellbound Sisterhood Market – Eastvale
Sat, Oct 18, 11:00 AM
New Model Colony · 4926 Hamner Ave
Just added!
90s Throwback Event Spooky Edition
Sat, Oct 18, 3:00 PM
La Sierra South · 11800 Indiana Ave
Just added!
90s Throwback Event Spooky Edition
Sat, Oct 18, 3:00 PM
La Sierra South · 11800 Indiana Ave
Fall Holiday Pop Up Artisan Market
Sat, Nov 8, 10:00 AM
California · Silverado Community Center
Fall Holiday Pop Up Artisan Market
Sat, Nov 8, 10:00 AM
California · Silverado Community Center
Spooky Time Tattoo Event
Sat, Oct 11, 1:00 PM
Historic District · BOTI Studios
Spooky Time Tattoo Event
Sat, Oct 11, 1:00 PM
Historic District · BOTI Studios
3rd Annual Encino Village Halloween Block Party
Sun, Oct 26, 3:00 PM
Encino · Encino Village
3rd Annual Encino Village Halloween Block Party
Sun, Oct 26, 3:00 PM
Encino · Encino Village
Monsters on the Move - A free Halloween Candy Crawl Event
Sat, Oct 25, 11:00 AM
Crown Jewel · Citrus Plaza
Monsters on the Move - A free Halloween Candy Crawl Event
Sat, Oct 25, 11:00 AM
Crown Jewel · Citrus Plaza
Just added!
FREE COMMUNITY PUMPKIN PATCH - RIVERSIDE CA
Sat, Oct 25, 12:00 PM
Magnolia Center · 3689 Sunnyside Dr
Just added!
FREE COMMUNITY PUMPKIN PATCH - RIVERSIDE CA
Sat, Oct 25, 12:00 PM
Magnolia Center · 3689 Sunnyside Dr
Just added!
Snowed In at Flabob
Sat, Dec 13, 4:00 PM
Grand · 5370 Mission Rock Way
Just added!
Snowed In at Flabob
Sat, Dec 13, 4:00 PM
Grand · 5370 Mission Rock Way
Sales end soon
Spooky Ooey Gooey at Ponderosa Joint-Use Branch
Saturday at 11:00 AM
South Anaheim · Ponderosa Joint-Use Branch
Sales end soon
Spooky Ooey Gooey at Ponderosa Joint-Use Branch
Saturday at 11:00 AM
South Anaheim · Ponderosa Joint-Use Branch
Redlands Not So Spooky Farm
Sat, Oct 18, 2:00 PM
Redlands Heights · Buck Moon Ranch
Redlands Not So Spooky Farm
Sat, Oct 18, 2:00 PM
Redlands Heights · Buck Moon Ranch

Trends in Ontario

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Frequently asked questions about Ontario

What are the best festival events to attend?

According to Eventbrite, the best festival events are:

The 951 Market -Halloween

C.U.T.E. Trunk or Treat 2025

Fall Harvest Festival

Anaheim Town Square's Spooktacular Halloween Celebration

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

halloween events

Which festival events are coming up?

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

2025 West Covina Moon Festival

Spooky Ooey Gooey at Ponderosa Joint-Use Branch

Say Hello to Sip Then Shop's Oktoberfest at Brewery X!

Spooky Time Tattoo Event