Best events in
Ontario

Looking for events or things to do in Ontario, CA? The local scene balances the community-focused atmosphere of Downtown with the high-energy entertainment found in the Arena District. This means everything from neighborhood art walks and outdoor movies to major concerts and professional sports are part of the city's fabric.

The Arena District offers a bustling night out, anchored by large-scale shows at the Toyota Arena and plenty of dining and entertainment at Ontario Mills.
Downtown Ontario is a hub for community gatherings at Ontario Town Square, which hosts the recurring Summer Concert Series and outdoor movies.
For a night of laughs, the Ontario Improv schedules a steady stream of stand-up comedians, while the Granada Theatre provides a historic entertainment backdrop.

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After 8pm

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New Boyz 2000s Party

Today • 10:00 PM

Mix Champagne Lounge

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Inland Empire Speed Dating for Singles Age 24-42 ♥ Ontario California at Brew Haven

Thu, Oct 22 • 8:00 PM

Brew Haven

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Bass Invaders Halloween Edition

Fri, Oct 23 • 8:00 PM

Dave & Buster's Ontario

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La Experiencia MON LAFERTE con Tormento en Ontario!

Fri, Oct 30 • 9:30 PM

Mix Champagne Lounge

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New Boyz 2000s Party

Today • 10:00 PM

Mix Champagne Lounge

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Inland Empire Speed Dating for Singles Age 24-42 ♥ Ontario California at Brew Haven

Thu, Oct 22 • 8:00 PM

Brew Haven

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Bass Invaders Halloween Edition

Fri, Oct 23 • 8:00 PM

Dave & Buster's Ontario

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La Experiencia MON LAFERTE con Tormento en Ontario!

Fri, Oct 30 • 9:30 PM

Mix Champagne Lounge

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Popular in Ontario

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Campers & Coffee - Four Wheel Campers of Southern California

Today • 9:00 AM

9008 Hyssop Dr

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IKF PMT AND PBSC SOUTHERN CALIFORNIA CHAMPIONSHIP - ONTARIO, CA

Tomorrow • 10:00 AM

Ontario Convention Center

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Ontario CERT Basic Academy - October 2026

Thursday • 6:00 PM

Ontario Fire Dept. Station 3

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EVENING at the Ontario Improv Comedy Club 10/16

Fri, Oct 16 • 8:30 PM

Ontario Improv

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FREE Family Pumpkin Patch in Eastvale | Pumpkins, Bounce House & More!

Sat, Oct 17 • 11:00 AM

5329 Hamner Ave suite 601

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Sixth Sense Trunk Or Treat

Fri, Oct 23 • 5:00 PM

790 Ferrari Ln

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October Amigas Monthly Brunch

Sun, Oct 25 • 11:30 AM

Kulturas

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2026 Latina BIZCON™ The Leverage Year

Thu, Oct 29 • 8:00 AM

Ontario Convention Center

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Campers & Coffee - Four Wheel Campers of Southern California

Today • 9:00 AM

9008 Hyssop Dr

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IKF PMT AND PBSC SOUTHERN CALIFORNIA CHAMPIONSHIP - ONTARIO, CA

Tomorrow • 10:00 AM

Ontario Convention Center

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Ontario CERT Basic Academy - October 2026

Thursday • 6:00 PM

Ontario Fire Dept. Station 3

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EVENING at the Ontario Improv Comedy Club 10/16

Fri, Oct 16 • 8:30 PM

Ontario Improv

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FREE Family Pumpkin Patch in Eastvale | Pumpkins, Bounce House & More!

Sat, Oct 17 • 11:00 AM

5329 Hamner Ave suite 601

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Sixth Sense Trunk Or Treat

Fri, Oct 23 • 5:00 PM

790 Ferrari Ln

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October Amigas Monthly Brunch

Sun, Oct 25 • 11:30 AM

Kulturas

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2026 Latina BIZCON™ The Leverage Year

Thu, Oct 29 • 8:00 AM

Ontario Convention Center

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Online Events

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HBR Book Webinar: Resilient Optimism

Thursday • 1:00 PM GMT+1

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Coming Together for Multilingual Children with DLD

Thu, Oct 22 • 6:00 PM GMT+2

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Biodiversity Law and Governance Day 2026

Sat, Oct 24 • 11:30 AM GMT+4

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(ONLINE) Women on the Move with Ann Patchett

Tue, Oct 27 • 11:30 AM EDT

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Witch hunts and real lives

Fri, Oct 30 • 2:00 PM GMT

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No Title, No Permission, No Problem: Harnessing the Power of Influence

Thu, Nov 5 • 1:00 PM GMT

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Lean Global Connection 2026

Thu, Nov 12 • 2:00 PM UTC

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Washington Crossing the Delaware / The Crossing - Film History Livestream

Sat, Dec 19 • 8:00 PM EST

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HBR Book Webinar: Resilient Optimism

Thursday • 1:00 PM GMT+1

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Coming Together for Multilingual Children with DLD

Thu, Oct 22 • 6:00 PM GMT+2

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Biodiversity Law and Governance Day 2026

Sat, Oct 24 • 11:30 AM GMT+4

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(ONLINE) Women on the Move with Ann Patchett

Tue, Oct 27 • 11:30 AM EDT

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Witch hunts and real lives

Fri, Oct 30 • 2:00 PM GMT

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No Title, No Permission, No Problem: Harnessing the Power of Influence

Thu, Nov 5 • 1:00 PM GMT

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Lean Global Connection 2026

Thu, Nov 12 • 2:00 PM UTC

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Washington Crossing the Delaware / The Crossing - Film History Livestream

Sat, Dec 19 • 8:00 PM EST

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This Weekend

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New Boyz 2000s Party

Today • 10:00 PM

Mix Champagne Lounge

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Scrabble Fest

Today • 12:00 PM

Ovitt Family Community Library

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Sound Bath Meditation

Today • 6:00 PM

Homecoming at Eastvale

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Drag Show: Saturday Night

Today • 7:30 PM

Hamburger Mary's Ontario

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IKF PMT AND PBSC SOUTHERN CALIFORNIA CHAMPIONSHIP - ONTARIO, CA

Tomorrow • 10:00 AM

Ontario Convention Center

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Ontario Jr Reign Vs. Ventura Vikings

Tomorrow • 4:00 PM

Center Ice Skating Arena

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New Boyz 2000s Party

Today • 10:00 PM

Mix Champagne Lounge

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Scrabble Fest

Today • 12:00 PM

Ovitt Family Community Library

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Sound Bath Meditation

Today • 6:00 PM

Homecoming at Eastvale

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Drag Show: Saturday Night

Today • 7:30 PM

Hamburger Mary's Ontario

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IKF PMT AND PBSC SOUTHERN CALIFORNIA CHAMPIONSHIP - ONTARIO, CA

Tomorrow • 10:00 AM

Ontario Convention Center

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Ontario Jr Reign Vs. Ventura Vikings

Tomorrow • 4:00 PM

Center Ice Skating Arena

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Points of Interest near Ontario

Ontario Museum Of History Art

Frequently asked questions about Ontario

Where can I find comedy shows in Ontario, CA?

Ontario Improv is the city's main destination for stand-up comedy. The club features both well-known touring comedians and up-and-coming talent multiple nights a week, making it a reliable spot for a laugh.

What are some family-friendly events in Downtown Ontario?

Downtown's Ontario Town Square is the center for family-friendly events. It hosts a summer concert series, outdoor movie screenings, and the annual Christmas on Euclid Experience, creating a welcoming atmosphere for all ages.

What's the nightlife like in the Arena District?

The Arena District has a high-energy nightlife scene focused on big events. Major concerts and Ontario Reign hockey games at Toyota Arena draw big crowds, while nearby Ontario Mills offers late-night dining and entertainment.

Are there free events to attend in Ontario?

Ontario hosts several popular free events, especially during warmer months. The Summer Concert Series and the Movies in the Park program, both held at Ontario Town Square, are great examples of community events that are free to attend.

How can I find local art events in Ontario?

The Emporia Arts District is the best place to find local art events. Look for the Emporia Art Walk, a quarterly event that showcases regional artists and opens up galleries in the Downtown area.

Which major outdoor events happen in Ontario, CA?

Ontario's signature outdoor event is the Route 66 Cruisin' Reunion. This annual celebration of classic car culture takes over Euclid Avenue with cruises, contests, and entertainment each September.

Where are the best places for live music events in Ontario?

Toyota Arena is the top venue for major live music events and touring acts. For more local and free performances, the Summer Concert Series at Ontario Town Square is a popular choice for outdoor music.

Any good date night ideas in Ontario?

A comedy show at the Ontario Improv is a classic date night choice. For a more relaxed evening, exploring the restaurants near the historic Granada Theatre in Downtown offers a different kind of atmosphere.