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Photo: Mack Male, CC BY-SA 2.0, via Wikimedia Commons

United States · California

Events in Ontario, CA

243 upcoming events in Ontario, CA, including 104 sports events, 83 comedy shows, 32 experiences, and 18 concerts. The busiest venues are Ontario Improv, Toyota Arena, and Toyota Arena-CA. Next up: Calgary Wranglers at Ontario Reign on Tue, Oct 20, 2026.
Upcoming events
243
This weekend
2
Venues
5
Population
175,265
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About Ontario

Ontario is a city in southwestern San Bernardino County, California, United States, 35 miles (56 km) east of downtown Los Angeles and 23 miles (37 km) west of downtown San Bernardino, the county seat. Located in the western part of the Inland Empire metropolitan area, it lies just east of Los Angeles County and is part of the Los Angeles metropolitan area. As of the 2020 census, the city had a population of 175,265.

Source: Wikipedia (CC BY-SA 4.0)

Where to stay in Ontario

Compare hotels and apartments in Ontario for your event dates – rooms near popular venues go first on show nights.

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Popular in Ontario

Sports in Ontario

All sports

Comedy in Ontario

All comedy

Things to Do in Ontario

All things to do

All events in Ontario

236 events · sorted by date

Venues in Ontario

All venues in Ontario

Coming to Ontario

Cities near Ontario

Frequently asked questions

What's on in Ontario this weekend?

There are 2 events in Ontario, CA this weekend (Oct 23 – 25). See the weekend list for concerts, sports and shows.

Are there any events in Ontario today?

Yes, 2 events in Ontario, CA today.

What are the busiest venues in Ontario?

By number of upcoming events: Ontario Improv (111), Toyota Arena (73), Toyota Arena-CA (36), ONT Field (18), and Ontario Improv (5).

How many concerts are coming to Ontario?

18 concerts listed in Ontario, CA.