Trick or Treat events in O Fallon

Name: Annual Rotary Halloween Parade
Start: 2026-10-31
Location: S Vine St, O'Fallon, IL 62269, United States

Check out happening trick or treat events all around O Fallon, IL

5 upcoming events O Fallon, United States Updated 17 Oct 2026

All 5 events in O Fallon

Sat, 31 Oct at 09:00 am Gateway Classic Cars of St. Louis

FREE TRUNK-OR-TREAT

Sat, 31 Oct at 12:00 pm Dogwood Social House O'Fallon IL

TRUNK-OR-TREAT

Sun, 25 Oct at 02:00 pm Shiloh Church

TRIPS-ADVENTURES

Sat, 24 Oct at 08:00 am Briarstone Riding Academy

CONTESTS

Sat, 31 Oct at 11:45 am S Vine St, O'Fallon, IL 62269, United States

HALLOWEEN