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

Golden Future Senior Expo - San Bernardino County Edition

 Sat, 06 Jun at 09:00 am DoubleTree by Hilton Hotel Ontario Airport Free

Comic Con Revolution - Saturday

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

TBD at Ontario Reign - AHL Calder Cup Finals (Home Game 1)

 Mon, 15 Jun at 10:30 am Toyota Arena - Ontario

Slammedenuff SoCal Car Show 2026

 Sun, 12 Apr at 01:00 pm Ontario Convention Center

Bad Bunny + Karol G Drag Brunch - Ontario

 Sun, 22 Mar at 01:00 pm Ontario Improv Comedy Club

The Avett Brothers

 Fri, 20 Mar at 04:00 pm ONT Field

Bad Bunny and Karol G Drag Brunch - Tribute

 Sat, 21 Mar Ontario Improv

Who Want The Smoke

 Sat, 20 Jun at 06:00 pm Toyota Arena

TBD at Ontario Reign - AHL Pacific Division First Round (Home Game 2)

 Mon, 27 Apr at 10:30 am Toyota Arena - Ontario

TBD at Ontario Reign - AHL Pacific Division Semifinals (Home Game 1)

 Sat, 02 May at 10:30 am Toyota Arena - Ontario

Tony Rock

 Fri, 06 Mar at 09:45 pm Ontario Improv USD 31 to 49

TBD at Ontario Reign - AHL Pacific Division Finals (Home Game 3)

 Mon, 25 May at 10:30 am Toyota Arena - Ontario

SOB X RBE with Mike Sherm

 Sun, 21 Jun at 01:00 am Toyota Arena - Ontario

JR De Guzman at Ontario Improv

 Thu, 02 Apr at 07:00 pm Ontario Improv Comedy Club

Tony Rock

 Sun, 08 Mar at 06:00 pm Ontario Improv USD 31 to 49

Tony Rock

 Sat, 07 Mar at 09:30 pm Ontario Improv USD 31 to 49

Martin Amini

 Sat, 14 Mar at 09:30 pm Ontario Improv USD 37

SoCal Automotive Garage Sale

 Sat, 07 Mar at 01:00 pm 1050 N Vineyard Ave Free

Lil Duval

 Fri, 10 Apr at 07:30 pm Ontario Improv USD 43 to 62

Jamal Coleman at Improv Comedy Club - Ontario

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

Joe Machi

 Tue, 04 Aug at 04:00 pm Ontario Improv

Martin Amini

 Fri, 13 Mar at 09:45 pm Ontario Improv USD 37

Darren Carter at Improv Comedy Club - Ontario

 Wed, 26 Aug at 08:00 pm Improv Comedy Club - Ontario

Rainforest Cafe Ontario Mills - Breakfast with the Easter Bunny

 Sat, 04 Apr at 08:00 am Rainforest Cafe - Ontario Mills, CA USD 0 to 38

Our Seventh Year ANNIVERSARY PARTY, BOMBAY Ultra Lounge

 Sat, 07 Mar at 09:00 pm Bombay Ultra Lounge USD 23 to 176

Martin Amini

 Thu, 12 Mar at 08:00 pm Ontario Improv USD 37 to 56

Hoppy Together: An Easter Community Event

 Sat, 04 Apr at 01:00 pm Veterans of Foreign Wars Post 2085 Old Baldy Post Free

Ontario Art Walk: Museum Night Market

 Sat, 16 May at 06:00 pm Ontario Museum of History & Art Free

Two Step into Country Night

 Sat, 21 Mar at 07:00 pm Rodeo x Free

Trap and Tequila hosted by Steven G

 Sat, 28 Feb at 10:00 pm Mix Champagne Lounge USD 7 to 82

2026 LEILA Awards Gala

 Fri, 22 May at 06:00 pm DoubleTree by Hilton Hotel Ontario Airport USD 120 to 1,500

Fresno Grizzlies at Ontario Tower Buzzers at ONT Field

 Tue, 14 Apr ONT Field

Who Want the Smoke at Toyota Arena - CA

 Sat, 20 Jun at 07:00 pm Toyota Arena - CA

California Bridal & Wedding Expo

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

Tony Rock at Improv Comedy Club - Ontario

 Fri, 06 Mar Improv Comedy Club - Ontario

Open Mic Night

 Mon, 09 Mar at 04:00 pm Ontario Improv

Oscar Burgos

 Thu, 16 Apr at 04:00 pm Ontario Improv

Creep I.E. : Aftermath - Friday

 Thu, 09 Jul at 04:00 pm Ontario Convention Center

Par-Tee for Paws Topgolf Tournament

Sat, 11 Jul at 09:30 am Topgolf (Ontario)

Open Mic at the Ontario Improv

 Tue, 10 Mar at 08:00 pm Ontario Improv Comedy Club

J Valentino at Improv Comedy Club - Ontario

 Wed, 24 Jun at 08:00 pm Improv Comedy Club - Ontario

Codiciado at Toyota Arena - CA

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

High School Sucks - The Musical

 Wed, 08 Apr at 04:00 pm Ontario Improv

Parking Coachella Valley Firebirds at Ontario Reign

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

Cultura | Paint, Sip & Sing: Dominguero Brunch Social y Familia

 Sun, 22 Mar at 01:00 pm Alebrijes Bakery #3 USD 45

Martin Amini at Improv Comedy Club - Ontario

 Sat, 14 Mar at 07:00 pm Improv Comedy Club - Ontario

Visalia Rawhide at Ontario Tower Buzzers at ONT Field

 Tue, 26 May ONT Field

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

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

Her Story. Her Power. Her Legacy

 Sat, 14 Mar at 11:30 am 3560 S Nexa Paseo USD 20 to 35

Sunset After-Dark

 Sat, 16 May at 06:00 pm Burger Town USA

Replay 90s/Y2K Classics

 Sat, 21 Mar at 09:00 pm 3550 Porsche Way USD 13

Peyton Ruddy

 Wed, 20 May at 04:00 pm Ontario Improv

Intercare Ontario - Grand Opening

 Fri, 13 Mar at 03:00 pm 3450 N Centre Lake Dr Free

Ontario Reign vs. Coachella Valley Firebirds

 Fri, 02 Jan Toyota Arena - Ontario

WTS-IE International Women's Day Happy Hour

 Thu, 05 Mar at 05:00 pm Brew Haven USD 20 to 30

Women's Fellowship

 Sat, 21 Mar at 11:00 am ONTARIO CHRISTIAN CENTER Free

Sunset After-Dark

 Sat, 15 Aug at 06:00 pm Burger Town USA

Rialto High School Class of 2006 - 20 Year Reunion

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

American Legion Ontario Rocks with a Vengeance

Sat, 07 Mar at 06:00 pm American Legion Post 112, Ontario CA

BoSlayD GoCrazy SIP & PAINT STREW BREWING

 Sat, 28 Mar at 08:00 pm 315 N Euclid Ave USD 13 to 55

Bowl for A Cause

 Sat, 18 Apr at 10:00 am 4120 E 4th St USD 18 to 375

AMERICAN LEGION ONTARIO

Sat, 30 May at 06:00 pm American Legion Post 112, Ontario CA

Comic Con Revolution - 2 Day Pass

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

Men's Ministry Fellowship

 Sat, 28 Feb at 11:00 am ONTARIO CHRISTIAN CENTER Free

Gabriel Rutledge at Improv Comedy Club - Ontario

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

Unique Scavenger Hunt Experience in Ontario by Operation City Quest

 Sat, 14 Feb at 09:00 am Ontario Town Square USD 10

Eric Eaton

 Thu, 05 Mar at 04:00 am Ontario Improv Comedy Club

The Vagina Dialogues With Kelly Davids

 Tue, 05 May at 04:00 pm Ontario Improv

Timmy No Brakes

 Wed, 04 Mar at 04:00 pm Ontario Improv

Drag Show

 Sat, 17 Jan at 05:00 pm Hamburger Mary's Ontario USD 19

Creep I.E. : Aftermath - 3 Day Pass

 Thu, 09 Jul at 04:00 pm Ontario Convention Center

2026 Vision Board Party- Think It, Achieve It!

 Sat, 03 Jan at 10:00 am Ontario Free

Scavenger Hunt Ontario

 Mon, 06 Jun at 10:00 am Ontario USD 28

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

Ontario Tower Buzzers vs. San Jose Giants

 Mon, 11 May at 04:00 pm ONT Field