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Events in Ontario, CA

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

Selling quickly
TRAPETON PARTY @ CARNAVAL NIGHTCLUB // REGGAETON & HIP-HOP // $5 UNTIL 10PM
Sunday at 9:30 PM
Downtown · Carnaval Nightclub
Selling quickly
TRAPETON PARTY @ CARNAVAL NIGHTCLUB // REGGAETON & HIP-HOP // $5 UNTIL 10PM
Sunday at 9:30 PM
Downtown · Carnaval Nightclub
CARNAVAL THURSDAY: MIKE SHERM LIVE
Today at 9:30 PM
Downtown · Carnaval Nightclub
CARNAVAL THURSDAY: MIKE SHERM LIVE
Today at 9:30 PM
Downtown · Carnaval Nightclub
Nearly full
Convención California 2025
North Ontario · DoubleTree by Hilton Hotel Ontario Airport
Nearly full
Convención California 2025
North Ontario · DoubleTree by Hilton Hotel Ontario Airport
12th Annual Latino College Expo-FREE
Sat, Sep 13, 10:00 AM
Lordsburg · University of La Verne
12th Annual Latino College Expo-FREE
Sat, Sep 13, 10:00 AM
Lordsburg · University of La Verne
Vida Divina 9.º Anniversario
Archiblad Ranch · Vida Divina HQ
Vida Divina 9.º Anniversario
Archiblad Ranch · Vida Divina HQ
Nearly full
SECC Youth Leadership Convention 2025
Fri, Sep 12, 6:00 PM
La Sierra · La Sierra University - Zapara School of Business
Nearly full
SECC Youth Leadership Convention 2025
Fri, Sep 12, 6:00 PM
La Sierra · La Sierra University - Zapara School of Business
THE OUTPOURING 2025
Thu, Sep 25, 9:00 AM
North Ontario · DoubleTree by Hilton Hotel Ontario Airport
THE OUTPOURING 2025
Thu, Sep 25, 9:00 AM
North Ontario · DoubleTree by Hilton Hotel Ontario Airport
ERHS CLASS OF 2015 HIGH SCHOOL REUNION
Sat, Sep 6, 7:00 PM
Corona Valley · 5555 Hamner Ave
ERHS CLASS OF 2015 HIGH SCHOOL REUNION
Sat, Sep 6, 7:00 PM
Corona Valley · 5555 Hamner Ave
Nearly full
Los Osos 20 Year Reunion
Saturday at 6:00 PM
Day Creek · The Etiwanda Roadhouse Bar & Grill
Nearly full
Los Osos 20 Year Reunion
Saturday at 6:00 PM
Day Creek · The Etiwanda Roadhouse Bar & Grill
Broken City 2026 Season Auditions: Sept 13-14, 2025
Sat, Sep 13, 9:00 AM
Caryn · Los Osos High School
Broken City 2026 Season Auditions: Sept 13-14, 2025
Sat, Sep 13, 9:00 AM
Caryn · Los Osos High School
Nearly full
B.I.G. & It Must be Magic (Teena Marie Tribute) Live @ Epic Events Center
Sat, Sep 6, 8:00 PM
Downtown · Epic Events Center
Nearly full
B.I.G. & It Must be Magic (Teena Marie Tribute) Live @ Epic Events Center
Sat, Sep 6, 8:00 PM
Downtown · Epic Events Center
Selling quickly
CEF Haircut Fundraiser
Sun, Sep 14, 9:00 AM
North Pomona · be Rosie Salon
Selling quickly
CEF Haircut Fundraiser
Sun, Sep 14, 9:00 AM
North Pomona · be Rosie Salon
Upland High School Class of 2015 - 10 Year Reunion
Sat, Sep 20, 6:00 PM
Upland Palms · Mt Baldy Brewery
Upland High School Class of 2015 - 10 Year Reunion
Sat, Sep 20, 6:00 PM
Upland Palms · Mt Baldy Brewery
Sales end soon
WORSHIP RAVE
Tomorrow at 7:00 PM
Downtown · The Cathedral Pomona
Sales end soon
WORSHIP RAVE
Tomorrow at 7:00 PM
Downtown · The Cathedral Pomona
Sneaky Link R&B Hip Hop @ Mix Champagne Lounge Ontario
Fri, Sep 12, 10:00 PM
Rochester · Mix Champagne Lounge
Sneaky Link R&B Hip Hop @ Mix Champagne Lounge Ontario
Fri, Sep 12, 10:00 PM
Rochester · Mix Champagne Lounge
Sales end soon
DASH FRIDAYS LABOR DAY WEEKEND KICKOFF PARTY
Tomorrow at 10:00 PM
Downtown · The Basement – Pomona
Sales end soon
DASH FRIDAYS LABOR DAY WEEKEND KICKOFF PARTY
Tomorrow at 10:00 PM
Downtown · The Basement – Pomona
**NEW DATE **SBR Leadership Symposium
Saturday at 8:30 AM
Central District · Mt Sinai COGIC
**NEW DATE **SBR Leadership Symposium
Saturday at 8:30 AM
Central District · Mt Sinai COGIC
We Love Kandy - Pomona
Sat, Sep 6, 7:00 PM
Downtown · Flyway
We Love Kandy - Pomona
Sat, Sep 6, 7:00 PM
Downtown · Flyway
Sales end soon
OHGEESY X AMP AFTER DARK
Tomorrow at 10:00 PM
Arlington · AMP
Sales end soon
OHGEESY X AMP AFTER DARK
Tomorrow at 10:00 PM
Arlington · AMP
Splash Bash Mansion Party honoring Joe Moses
Sat, Sep 6, 3:00 PM
Mountain Meadows · 1811 Gillette Rd
Splash Bash Mansion Party honoring Joe Moses
Sat, Sep 6, 3:00 PM
Mountain Meadows · 1811 Gillette Rd

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:

TRAPETON PARTY @ CARNAVAL NIGHTCLUB // REGGAETON & HIP-HOP // $5 UNTIL 10PM

Convención California 2025

12th Annual Latino College Expo-FREE

Vida Divina 9.º Anniversario

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:

CARNAVAL THURSDAY: MIKE SHERM LIVE

DASH FRIDAYS LABOR DAY WEEKEND KICKOFF PARTY

OHGEESY X AMP AFTER DARK