Question 1

How many upcoming card shows are in Ontario, CA?

Accepted Answer

There are currently 7 upcoming events in Ontario, CA. 3 card shows, 4 conventions. Treasure Hunter updates this list weekly.

Question 2

When is the next card show in Ontario, CA?

Accepted Answer

The next event in Ontario, CA is Comic Con Revolution: Ontario on May 16, 2026. Check the listing for times, admission, and venue details.

Question 3

What can I find at card shows in Ontario?

Accepted Answer

Card shows typically feature vendor tables selling sports cards, Pokémon, trading card games, comics, memorabilia, and other collectibles. Many shows also have autograph signings, grading services, and opportunities to trade directly with other collectors. Bring cash for the best deals.

Question 4

Are there card shows near Ontario, CA?

Accepted Answer

Yes — Treasure Hunter tracks thousands of events across California and all 50 states. Use the "Also nearby" links above to explore shows in neighboring cities, or search by zip code on the homepage to find events within 100 miles of any location.

Question 5

How do I get notified about new shows in Ontario?

Accepted Answer

Sign up for Treasure Hunter's free email digest at the top of this page. You'll receive weekly updates about new and upcoming shows near your location. You can customize the types of events you want to hear about.

Card Shows & Events in Ontario, CA

Upcoming shows

Frequently Asked Questions