What to do in Ontario in December 2026

A guide to events, concerts, and experiences in Ontario during December 2026.

33 results

Local time in Ontario (America/Los_Angeles), not your device time.Local time (America/Los_Angeles)

Wed, Dec 2 – Thu, Dec 3

Wed, Dec 2 · 8:00 PM PST$31.14

Mike Feeney

Wed, Dec 2 · 8:00 PM PST

Ontario Improv · Ontario

$31.14

Thu, Dec 3 · 8:00 PM PST$43.19

Steve Trevino

Thu, Dec 3 · 8:00 PM PST

Ontario Improv · Ontario

$43.19

Friday, December 4

7:00 PM PST

KFROG'S CHRISTMAS THROWDOWN

7:00 PM PST

Toyota Arena · Ontario

7:30 PM PST$43.19

Steve Trevino

7:30 PM PST

Ontario Improv · Ontario

$43.19

9:45 PM PST$43.19

Steve Trevino

9:45 PM PST

Ontario Improv · Ontario

$43.19

Sat, Dec 5 – Fri, Dec 18

Sat, Dec 5 · 7:00 PM PST$43.19

Steve Trevino

Sat, Dec 5 · 7:00 PM PST

Ontario Improv · Ontario

$43.19

Sat, Dec 5 · 9:30 PM PST$43.19

Steve Trevino

Sat, Dec 5 · 9:30 PM PST

Ontario Improv · Ontario

$43.19

Sun, Dec 6 · 6:00 PM PST$43.19

Steve Trevino

Sun, Dec 6 · 6:00 PM PST

Ontario Improv · Ontario

$43.19

Tue, Dec 8 · 8:00 PM PST$8.76

Open Mic at the Ontario Improv

Tue, Dec 8 · 8:00 PM PST

Ontario Improv · Ontario

$8.76

Wed, Dec 9 · 8:00 PM PST$49.22

Boyacoman (En Español)

Wed, Dec 9 · 8:00 PM PST

Ontario Improv · Ontario

$49.22

Thu, Dec 10 · 8:00 PM PST$31.14

Pauly Shore

Thu, Dec 10 · 8:00 PM PST

Ontario Improv · Ontario

$31.14

Fri, Dec 11 · 8:00 PM PST

Jo Koy: Koy Meets World Tour

Fri, Dec 11 · 8:00 PM PST

Toyota Arena · Ontario

Sat, Dec 12 · 7:00 PM PST$49.22

DC Youngfly

Sat, Dec 12 · 7:00 PM PST

Ontario Improv · Ontario

$49.22

Sat, Dec 12 · 9:30 PM PST$49.22

DC Youngfly

Sat, Dec 12 · 9:30 PM PST

Ontario Improv · Ontario

$49.22

Sun, Dec 13 · 6:00 PM PST$49.22

DC Youngfly

Sun, Dec 13 · 6:00 PM PST

Ontario Improv · Ontario

$49.22

Sun, Dec 13 · 8:30 PM PST$49.22

DC Youngfly

Sun, Dec 13 · 8:30 PM PST

Ontario Improv · Ontario

$49.22

Wed, Dec 16 · 8:00 PM PST$25.22

The Dirty Show

Wed, Dec 16 · 8:00 PM PST

Ontario Improv · Ontario

$25.22

Thu, Dec 17 · 8:00 PM PST$31.14

Tee Sanders

Thu, Dec 17 · 8:00 PM PST

Ontario Improv · Ontario

$31.14

Fri, Dec 18 · 7:30 PM PST$61.53

Marlon Wayans

Fri, Dec 18 · 7:30 PM PST

Ontario Improv · Ontario

$61.53

Fri, Dec 18 · 9:45 PM PST$61.53

Marlon Wayans

Fri, Dec 18 · 9:45 PM PST

Ontario Improv · Ontario

$61.53

Saturday, December 19

8:00 PM PST

Sumo Championship League

8:00 PM PST

Toyota Arena · Ontario

7:00 PM PST$61.53

Marlon Wayans

7:00 PM PST

Ontario Improv · Ontario

$61.53

9:30 PM PST$61.53

Marlon Wayans

9:30 PM PST

Ontario Improv · Ontario

$61.53

Sunday, December 20

Sun, Dec 20 · 6:00 PM PST$61.53

Marlon Wayans

Sun, Dec 20 · 6:00 PM PST

Ontario Improv · Ontario

$61.53