Parties in Ontario

Check out happening parties events all around Ontario, CA

Comic Con Revolution Ontario California 2026

 Sat, 16 May at 10:00 am Ontario Convention Center

PBR: Pendleton Whisky Velocity Tour

 Sat, 17 Jan at 07:00 pm Toyota Arena

Comic Con Revolution - Saturday

 Fri, 15 May at 04:00 pm Ontario Convention Center

Winter Jam at Toyota Arena - CA

 Sat, 31 Jan at 08:00 pm Toyota Arena - CA

Taco Tuesday Social with Amigas

 Tue, 13 Jan at 06:30 pm El Torito Free

Lotería Social: Shop • Sip • Play

 Thu, 15 Jan at 06:30 pm 1341 E D St Free

Rialto High School Class of 2006 - 20 Year Reunion

 Sat, 06 Jun at 07:00 pm Dave & Buster's Ontario USD 34 to 55

Mojo Brookzz

 Wed, 21 Jan at 04:00 pm Ontario Improv

ALL STAR NIGHT at the Ontario Improv 1/21/25

 Wed, 21 Jan at 07:00 pm Ontario Improv Free

Sing Along Brunch at Improv Comedy Club - Ontario

 Sun, 18 Jan at 02:00 pm Improv Comedy Club - Ontario

Press Box Chronicles With Jeff Pearlman

 Wed, 14 Jan at 04:00 pm Ontario Improv

National DJs & Elite VIP Members Appreciation Western Style Getdown

 Sat, 17 Jan at 09:00 pm Bombay Ultra Lounge USD 23 to 176

Ontario Reign vs. Coachella Valley Firebirds

 Fri, 02 Jan Toyota Arena - Ontario

San Valentín de Éxitos

 Fri, 20 Feb at 07:00 pm Toyota Arena

ONTARIO BoSlayD GoCrazy Meet and Greet Valentine’s party

 Thu, 12 Feb at 06:30 pm 315 N Euclid Ave USD 13 to 55

Jamal Coleman at Improv Comedy Club - Ontario

 Wed, 25 Mar at 08:00 pm Improv Comedy Club - Ontario

Wicked Sing-Along Drag Brunch

 Sun, 18 Jan at 02:00 pm Ontario Improv Comedy Club

Gabriel Rutledge at Improv Comedy Club - Ontario

 Thu, 28 May at 08:00 pm Improv Comedy Club - Ontario

MLC Band at Misty's Lounge & Bar

 Sun, 25 Jan at 08:30 pm Misty's Lounge

California Bridal & Wedding Expo

 Sun, 28 Jun at 12:30 pm Ontario Convention Center Free

Codiciado at Toyota Arena - CA

 Sat, 28 Mar at 08:00 pm Toyota Arena - CA

5k Fun Run at Left Coast Brewing Co | 2026 CA Brewery Running Series

 Sat, 02 May at 10:00 am Left Coast Brewing Distillery Smokehouse - Ontario USD 0 to 71

Oscar Burgos

 Thu, 29 Jan at 04:00 pm Ontario Improv

Aaron Chen

 Sat, 31 Jan Ontario Improv

The 1st Annual Awards Golden Gala | Mental Health & Grant Fundraiser

 Fri, 22 May at 05:30 pm 222 N Vineyard Ave USD 0 to 10,673

Desi Banks

 Sat, 10 Jan at 05:45 am Ontario Improv Comedy Club USD 43 to 62

"Son of a Nutcracker" - It's Christmas in January at BDA/IE!!

 Tue, 27 Jan at 11:30 am DoubleTree by Hilton Hotel Ontario Airport USD 71 to 749

AMERICAN LEGION ONTARIO

 Sat, 10 Jan at 07:00 pm American Legion Post 112, Ontario CA

Mojo Brookzz

 Sat, 24 Jan at 03:30 am Ontario Improv Comedy Club USD 48 to 83

2026 Vision Board Party- Think It, Achieve It!

 Sat, 03 Jan at 10:00 am Ontario Free

DJ D-Wrek

 Thu, 15 Jan Ontario Improv Comedy Club

Timmy No Brakes

 Wed, 04 Mar at 04:00 pm Ontario Improv

Parking Coachella Valley Firebirds at Ontario Reign

 Sun, 01 Feb at 11:00 pm Toyota Arena - Ontario

Parking Romeo Santos and Prince Royce

 Mon, 25 May at 03:00 am Toyota Arena - Ontario

Ontario Tower Buzzers vs. Visalia Rawhide

 Mon, 25 May at 04:00 pm ONT Field

Singles Party

 Tue, 02 Dec at 05:00 pm Ontario Free

Tuesday Night Trivia at Eureka! Ontario

 Tue, 05 Mar at 07:00 pm Eureka! Ontario

Ontario Tower Buzzers vs. San Jose Giants

 Mon, 11 May at 04:00 pm ONT Field