Community Events and Things to do in Ontario, CA
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Twentynine Palms Book Festival
Fri, Nov 13, 10:00 AM + 2 more
Twentynine Palms · Twentynine Palms Community Center
Twentynine Palms Book Festival
Fri, Nov 13, 10:00 AM + 2 more
Twentynine Palms · Twentynine Palms Community Center
Makers Market in San Diego | by Pop Up Gallery
Sat, Jun 20, 12:00 PM
San Diego · The Dana on Mission Bay
Makers Market in San Diego | by Pop Up Gallery
Sat, Jun 20, 12:00 PM
San Diego · The Dana on Mission Bay
Festa Junina | Quermesse da Comunidade Católica Brasileira de San Diego
Sun, Jun 14, 2:00 PM
San Diego · Saint Agnes Catholic Church
Festa Junina | Quermesse da Comunidade Católica Brasileira de San Diego
Sun, Jun 14, 2:00 PM
San Diego · Saint Agnes Catholic Church
55th Annual San Diego Greek Festival June 13-14, 2026
Sat, Jun 13, 11:00 AM + 41 more
San Diego · St. Spyridon Greek Orthodox Church
55th Annual San Diego Greek Festival June 13-14, 2026
Sat, Jun 13, 11:00 AM + 41 more
San Diego · St. Spyridon Greek Orthodox Church
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Frequently asked questions about Ontario
What are the best festival events to attend?
According to Eventbrite, the best festival events are:
Which events are currently trending in Ontario?
The trending searches this month in Ontario are:
Which festival events are coming up?
Discover the best festival events happening soon – you don't want to miss them: