O Fallon Fall Festivals Events

Annual Trunk Or Treat Spectacular

1268 Central Park Dr, O'Fallon, IL, United States, Illinois 62269 24 Oct 2026

Fantastic Fall Fest

1428 E 3rd St, O'Fallon, IL 62269, United States 7 Nov 2026

JUNE'S FALL FEST 🍂

June's Breakfast + Patio 17 Oct 2026

Vegan Day @ Randy's Rescue Ranch

RRR Sanctuary 8 Nov 2026

Fall Book Fair

1050 Ogle Rd, O'Fallon, IL 62269-7120, United States 16 Nov 2026