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

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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Halloween Masquerade Ball, SCORPIO Edition, BOMBAY Ultra Lounge

Sat, Oct 31 • 9:00 PM

Bombay Ultra 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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Halloween Masquerade Ball, SCORPIO Edition, BOMBAY Ultra Lounge

Sat, Oct 31 • 9:00 PM

Bombay Ultra Lounge

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Popular in Ontario

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Ontario Trunk or Treat

Saturday • 3:00 PM

Easterseals Southern California

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Grand Opening Trunk or Treat - Children's Dental FunZone

Sunday • 11:00 AM

12171 Central Ave

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4th Annual Bold Loud And Creative Oscars

Sat, Oct 10 • 6:30 PM

Bombay Banquet Hall & Events Center

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Ontario CERT Basic Academy - October 2026

Thu, Oct 15 • 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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Phil Wickham - Ontario, CA - World Vision Volunteers

Sun, Oct 18 • 4:45 PM

Toyota Arena

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2026 Latina BIZCON™ The Leverage Year

Thu, Oct 29 • 8:00 AM

Ontario Convention Center

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Ontario Trunk or Treat

Saturday • 3:00 PM

Easterseals Southern California

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Grand Opening Trunk or Treat - Children's Dental FunZone

Sunday • 11:00 AM

12171 Central Ave

Check ticket price on event

4th Annual Bold Loud And Creative Oscars

Sat, Oct 10 • 6:30 PM

Bombay Banquet Hall & Events Center

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Ontario CERT Basic Academy - October 2026

Thu, Oct 15 • 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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Phil Wickham - Ontario, CA - World Vision Volunteers

Sun, Oct 18 • 4:45 PM

Toyota Arena

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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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Black Girl Book Fair! Spooky Edition

Saturday • 12:00 AM CDT

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Ethically Shady: Navigating the Gray Areas of Interpreting

Saturday • 10:00 AM PDT

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HBR Book Webinar: Resilient Optimism

Thu, Oct 15 • 1:00 PM GMT+1

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HBR Press Webinar: Resilient Optimism

Thu, Oct 15 • 8:00 AM EDT

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(ONLINE) Women on the Move with Ann Patchett

Tue, Oct 27 • 11:30 AM EDT

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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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The MI5 Archive: Official Secrets

Fri, Nov 27 • 2:00 PM GMT

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Washington Crossing the Delaware / The Crossing - Film History Livestream

Sat, Dec 19 • 8:00 PM EST

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Black Girl Book Fair! Spooky Edition

Saturday • 12:00 AM CDT

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Ethically Shady: Navigating the Gray Areas of Interpreting

Saturday • 10:00 AM PDT

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HBR Book Webinar: Resilient Optimism

Thu, Oct 15 • 1:00 PM GMT+1

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HBR Press Webinar: Resilient Optimism

Thu, Oct 15 • 8:00 AM EDT

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(ONLINE) Women on the Move with Ann Patchett

Tue, Oct 27 • 11:30 AM EDT

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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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The MI5 Archive: Official Secrets

Fri, Nov 27 • 2:00 PM GMT

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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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Ontario City Night — Presented by Sport Clips Ontario Jr. Reign vs. Fresno

Friday • 8:00 PM

Center Ice Skating Arena

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Drag Show: Friday Night

Friday • 7:30 PM

Hamburger Mary's Ontario

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Foodies + New Friends: Ontario Dinner Meet

Friday • 7:00 PM

Restaurant of the Week

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Mean Girls Sip & Paint

Saturday • 3:30 PM

Hamburger Mary's Ontario

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Healthcare Skills & Career Day

Saturday • 9:15 AM

3401 N Centre Lake Dr

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CEH v13 Certification Training – Ethical Hacking Bootcamp in Chino, CA

Saturday • 9:00 AM

12266 Central Ave

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Grand Opening Trunk or Treat - Children's Dental FunZone

Sunday • 11:00 AM

12171 Central Ave

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Ontario City Night — Presented by Sport Clips Ontario Jr. Reign vs. Fresno

Friday • 8:00 PM

Center Ice Skating Arena

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Drag Show: Friday Night

Friday • 7:30 PM

Hamburger Mary's Ontario

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Foodies + New Friends: Ontario Dinner Meet

Friday • 7:00 PM

Restaurant of the Week

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Mean Girls Sip & Paint

Saturday • 3:30 PM

Hamburger Mary's Ontario

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Healthcare Skills & Career Day

Saturday • 9:15 AM

3401 N Centre Lake Dr

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CEH v13 Certification Training – Ethical Hacking Bootcamp in Chino, CA

Saturday • 9:00 AM

12266 Central Ave

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Grand Opening Trunk or Treat - Children's Dental FunZone

Sunday • 11:00 AM

12171 Central Ave

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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.