Your version of Internet Explorer is no longer supported. Please upgrade your browser.

Parties in Ontario, CA

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

Sing along brunch with Amanda Perez , in Pomona
Sun, May 31, 10:00 AM
Pomona · 197 E 2nd St
Sing along brunch with Amanda Perez , in Pomona
Sun, May 31, 10:00 AM
Pomona · 197 E 2nd St
909 PARTY LINE –Bringing it back to The IE
Sat, May 30, 8:00 PM
Upland · Ace's Corner Lounge
909 PARTY LINE –Bringing it back to The IE
Sat, May 30, 8:00 PM
Upland · Ace's Corner Lounge
70's Groove Ball
Sun, May 31, 3:00 PM
Rancho Cucamonga · Epic Events Center
70's Groove Ball
Sun, May 31, 3:00 PM
Rancho Cucamonga · Epic Events Center
Sales end soon
R&B Sing Along Brunch Party @ Mezcal in Riverside
Today at 11:00 AM
Riverside · Mezcal Ultra Lounge
Sales end soon
R&B Sing Along Brunch Party @ Mezcal in Riverside
Today at 11:00 AM
Riverside · Mezcal Ultra Lounge
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA
Thursday at 6:30 PM
Ontario · Brew Haven
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA
Thursday at 6:30 PM
Ontario · Brew Haven
Going fast
Inland Empire Speed Dating for Singles Age 30s/40s ♥ Corona CA
Tue, Jun 2, 7:00 PM
Corona · The Wine Down
Going fast
Inland Empire Speed Dating for Singles Age 30s/40s ♥ Corona CA
Tue, Jun 2, 7:00 PM
Corona · The Wine Down
Sunday Memorial Day Weekend - Mezcal Nightclub Riverside (05.24)
Today at 9:00 PM
Riverside · Mezcal Ultra Lounge, Main Street, Riverside, CA, USA
Sunday Memorial Day Weekend - Mezcal Nightclub Riverside (05.24)
Today at 9:00 PM
Riverside · Mezcal Ultra Lounge, Main Street, Riverside, CA, USA
Rhythm & Bingo
Sat, Jun 6, 7:00 PM
Corona · 138 E 6th St
Rhythm & Bingo
Sat, Jun 6, 7:00 PM
Corona · 138 E 6th St
Sales end soon
SPACE TACO 5/26 ELECTRIC JUNGLE TAKEOVER!!
Tuesday at 9:00 PM
Pomona · the basement – pomona
Sales end soon
SPACE TACO 5/26 ELECTRIC JUNGLE TAKEOVER!!
Tuesday at 9:00 PM
Pomona · the basement – pomona
Speed Dating for Singles w/ No Kids - Riverside, CA
Wed, Jun 17, 7:00 PM
Riverside · BRÜE CRÜE
Speed Dating for Singles w/ No Kids - Riverside, CA
Wed, Jun 17, 7:00 PM
Riverside · BRÜE CRÜE
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 25-40 ♥ Ontario CA
Thursday at 8:00 PM
Ontario · Brew Haven
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 25-40 ♥ Ontario CA
Thursday at 8:00 PM
Ontario · Brew Haven
Riverside Pride Bar Crawl
Sat, Jun 20, 4:00 PM
Riverside · Palenque kitchen by Mezcal
Riverside Pride Bar Crawl
Sat, Jun 20, 4:00 PM
Riverside · Palenque kitchen by Mezcal
Sip, Swap, and Spin Showcase!
Fri, Jun 12, 7:30 PM
Upland · House of Pole
Sip, Swap, and Spin Showcase!
Fri, Jun 12, 7:30 PM
Upland · House of Pole
Sales end soon
Queremos Rock Concert After Party in Ontario Ca!
Friday at 9:30 PM
Ontario · Hamburger Mary's - Ontario
Sales end soon
Queremos Rock Concert After Party in Ontario Ca!
Friday at 9:30 PM
Ontario · Hamburger Mary's - Ontario
Inland Empire Speed Dating for Singles Age 40s/50s ♥ Montclair California
Fri, Jun 26, 6:30 PM
Montclair · Dragons Tale Brewery
Inland Empire Speed Dating for Singles Age 40s/50s ♥ Montclair California
Fri, Jun 26, 6:30 PM
Montclair · Dragons Tale Brewery
Trucks and Tacos 10th Annual Truck Show
Sat, Aug 22, 7:30 AM
Chino · Prado Regional Park
Trucks and Tacos 10th Annual Truck Show
Sat, Aug 22, 7:30 AM
Chino · Prado Regional Park
The Feminine Evening
Sun, May 31, 1:00 PM
Rancho Cucamonga · Durango Cocina & Rooftop
The Feminine Evening
Sun, May 31, 1:00 PM
Rancho Cucamonga · Durango Cocina & Rooftop
Keeping It 2000s: Brunch Day Party w/ Yung Joc (Live) Pomona Ca
Sun, Jun 14, 11:00 AM
Pomona · 197 E 2nd St
Keeping It 2000s: Brunch Day Party w/ Yung Joc (Live) Pomona Ca
Sun, Jun 14, 11:00 AM
Pomona · 197 E 2nd St
Collage Club Pomona Collage & Paper Crafting Party
Fri, Jun 5, 6:00 PM
Pomona · Rough & Tumbled HQ
Collage Club Pomona Collage & Paper Crafting Party
Fri, Jun 5, 6:00 PM
Pomona · Rough & Tumbled HQ
Stuffie Sleepover & Pajama Party- Summer 2026
Fri, Jul 24, 5:30 PM
Upland · 217 E A St
Stuffie Sleepover & Pajama Party- Summer 2026
Fri, Jul 24, 5:30 PM
Upland · 217 E A St

Trends in Ontario

Explore more trends

Explore more trends

Frequently asked questions about Ontario

What are the best party events to attend?

According to Eventbrite, the best party events are:

Sing along brunch with Amanda Perez , in Pomona

909 PARTY LINE –Bringing it back to The IE

70's Groove Ball

Inland Empire Speed Dating for Singles Age 30s/40s ♥ Corona CA

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

mix champagne lounge

Which party events are coming up?

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

R&B Sing Along Brunch Party @ Mezcal in Riverside

Sunday Memorial Day Weekend - Mezcal Nightclub Riverside (05.24)

SPACE TACO 5/26 ELECTRIC JUNGLE TAKEOVER!!

Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA