Your version of Internet Explorer is not longer supported. Please upgrade your browser.

Free Events and Things to do in Ontario, CA this weekend

Looking for things to do in Ontario this weekend? Explore our real-time listings for the best concerts, nightlife, and food and drink experiences. From seasonal festivals and comedy shows to free activities, find your next plan with our constantly updated feed of Ontario's most popular events.

2 filters applied
Filters (2)
This weekend
Free
Category
Format
Language
Currency
2 filters applied
Filters (2)
This weekend
Free
  • 1 of 42

Things to do around Ontario

Trends in Ontario

Explore more trends
Explore more trends

Frequently asked questions about Ontario

What are the best events to attend this weekend in Ontario?

The best events to attend this weekend in Ontario include concerts, nightlife experiences, seasonal events, food and drink tastings, and live entertainment happening across the city. According to Eventbrite, some of the best events this weekend include:
  • Nutrient Dense & Whole Foods
  • Pre-Labor Day Party – Club Riv
  • Cal vs. UCLA Watch Party
  • Monthly Meetup - Expert Panel: Cybersecurity

    • Which events are currently trending in Ontario?

    Trending weekend events in Ontario often reflect seasonal moments, nightlife demand, and popular neighbourhoods, including concerts, parties, and special themed events. The trending searches this month in Ontario are:
  • ontario convention center
  • job fairs
  • mix champagne lounge
  • beis warehouse sale

    • Which events are coming up in Ontario this weekend?

    In addition to what's happening right now, there are many upcoming weekend events in Ontario, including live shows, parties, food experiences, and limited-time events. Discover upcoming weekend events you won't want to miss:
  • 2026 Whittier Summer Antique & Vintage Street Faire
  • Kids Animaker Space Costuming for Animatronic Figures
  • Heritage Presents: Autumn Nights
  • A Song In Your Heart- A Group Ceramic Exhibition At Mud Hut Pottery Studio

    • Are there free things to do in Ontario this weekend?

    Yes — there are often free things to do in Ontario this weekend, including live music, cultural events, seasonal activities, and community gatherings. Many events on Eventbrite are free or offer free entry options. These are some free events happening in Ontario this weekend:
  • Free Events this weekend