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Events in Ontario, CA

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

Sales end soon
Keeping it 2000s brunch with Paula DeAnda
Sunday at 11:00 AM
197 E 2nd St
Sales end soon
Keeping it 2000s brunch with Paula DeAnda
Sunday at 11:00 AM
197 E 2nd St
Nearly full
Cal Poly Alumni — Inland Empire New Student Send-Off
Friday at 5:00 PM
Watts Residence, Rancho Cucamonga
Nearly full
Cal Poly Alumni — Inland Empire New Student Send-Off
Friday at 5:00 PM
Watts Residence, Rancho Cucamonga
Nearly full
The Mission Inn Hotel & Spa’s Annual Event & Wedding Showcase
Sun, Sep 7, 10:00 AM
3649 Mission Inn Avenue
Nearly full
The Mission Inn Hotel & Spa’s Annual Event & Wedding Showcase
Sun, Sep 7, 10:00 AM
3649 Mission Inn Avenue
WORSHIP RAVE
Fri, Aug 29, 7:00 PM
The Cathedral Pomona
WORSHIP RAVE
Fri, Aug 29, 7:00 PM
The Cathedral Pomona
Just added!
Hip Hop And RnB Bingo Jersey’s & Sneaker Edition
Sat, Sep 6, 7:00 PM
14189 Foothill Blvd, Fontana, CA, USA
Just added!
Hip Hop And RnB Bingo Jersey’s & Sneaker Edition
Sat, Sep 6, 7:00 PM
14189 Foothill Blvd, Fontana, CA, USA
Selling quickly
CEF Haircut Fundraiser
Sun, Sep 14, 9:00 AM
be Rosie Salon
Selling quickly
CEF Haircut Fundraiser
Sun, Sep 14, 9:00 AM
be Rosie Salon
Sales end soon
Hot Summer Nights: Claremont Supper Club
Friday at 5:00 PM
Garner House
Sales end soon
Hot Summer Nights: Claremont Supper Club
Friday at 5:00 PM
Garner House
Embrace Women's Conference 2025
Sat, Oct 11, 9:00 AM
Elevate Life Church
Embrace Women's Conference 2025
Sat, Oct 11, 9:00 AM
Elevate Life Church
ComptonAV/ Haiti Babii / Eke - Tour Stop
Friday at 9:00 PM
965 W Foothill Blvd
ComptonAV/ Haiti Babii / Eke - Tour Stop
Friday at 9:00 PM
965 W Foothill Blvd
Fall Eyes on IEOS - September 2025
Sun, Sep 14, 8:00 AM
Ontario Airport Hotel & Conference Center
Fall Eyes on IEOS - September 2025
Sun, Sep 14, 8:00 AM
Ontario Airport Hotel & Conference Center
Selling quickly
Live tribute to The Strokes in Riverside!
Saturday at 9:00 PM
The Hideaway Cafe & Lounge
Selling quickly
Live tribute to The Strokes in Riverside!
Saturday at 9:00 PM
The Hideaway Cafe & Lounge
R&B With Love @ Mezcal Riverside (Day Party)
Sun, Aug 31, 3:00 PM
Mezcal Ultra Lounge
R&B With Love @ Mezcal Riverside (Day Party)
Sun, Aug 31, 3:00 PM
Mezcal Ultra Lounge
Sales end soon
Advanced Search Warrants 08/21/25 & 08/22/25 Ontario
Tomorrow at 8:00 AM
Ontario Police Department Community Room 1
Sales end soon
Advanced Search Warrants 08/21/25 & 08/22/25 Ontario
Tomorrow at 8:00 AM
Ontario Police Department Community Room 1
90s Era House Party at The Flyway Pomona!
Sat, Aug 30, 9:00 PM
Flyway
90s Era House Party at The Flyway Pomona!
Sat, Aug 30, 9:00 PM
Flyway
Splash Bash Mansion Party honoring Joe Moses
Sat, Sep 6, 3:00 PM
1811 Gillette Rd
Splash Bash Mansion Party honoring Joe Moses
Sat, Sep 6, 3:00 PM
1811 Gillette Rd
Nearly full
Novel Dairy Processing: Meeting Consumer Demands & Enhancing Marketability
Tomorrow at 9:00 AM
California State Polytechnic University, Pomona
Nearly full
Novel Dairy Processing: Meeting Consumer Demands & Enhancing Marketability
Tomorrow at 9:00 AM
California State Polytechnic University, Pomona
Diamond Bar High School Class of 1985 40th Reunion Celebration
Sat, Oct 25, 5:00 PM
Diamond Bar Golf Course
Diamond Bar High School Class of 1985 40th Reunion Celebration
Sat, Oct 25, 5:00 PM
Diamond Bar Golf Course
Sales end soon
Sugary Shrubs Sugar Cookie Decorating Class
Sunday at 4:00 PM
12420 Buttercup Way
Sales end soon
Sugary Shrubs Sugar Cookie Decorating Class
Sunday at 4:00 PM
12420 Buttercup Way
Nearly full
Paint & Sip Night at Oggi's w/LiaNardo Mobile Paint & Sip
Tomorrow at 6:00 PM
Oggi's Sports | Brewhouse |Pizza
Nearly full
Paint & Sip Night at Oggi's w/LiaNardo Mobile Paint & Sip
Tomorrow at 6:00 PM
Oggi's Sports | Brewhouse |Pizza
Live Loved Women's Conference 2025
Sat, Sep 20, 9:00 AM
Charis Church
Live Loved Women's Conference 2025
Sat, Sep 20, 9:00 AM
Charis Church

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:

Keeping it 2000s brunch with Paula DeAnda

The Mission Inn Hotel & Spa’s Annual Event & Wedding Showcase

Hip Hop And RnB Bingo Jersey’s & Sneaker Edition

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

mix champagne lounge

Which events are coming up?

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

Advanced Search Warrants 08/21/25 & 08/22/25 Ontario

Novel Dairy Processing: Meeting Consumer Demands & Enhancing Marketability

Paint & Sip Night at Oggi's w/LiaNardo Mobile Paint & Sip

Cal Poly Alumni — Inland Empire New Student Send-Off