Oak Brook Events in October

Events in October in Oak Brook

With a bunch of festivals in October 2026 in Oak Brook queued up, there is a lot to catch on! From being a spectator at all the cool festivals to attending some interesting events in October in Oak Brook there is all the fun awaiting you this month. Take a tour to this interesting guide or list of things to do in Oak Brook in October 2026 and make the most of your holidays and weekends!

Events in October in Oak Brook

Events in October in Oak Brook

Thu, 22 Oct, 2026 - 05:00 PM

2026 Global Food Allergy Prevention Summit (GFAPS)

Hyatt Lodge Oak Brook Chicago

USD 45
Thu, 01 Oct, 2026 - 12:00 AM

Nothing Fancy, Just Fun! – Unlimited Play Promo at Wonderverse

Wonderverse
Sat, 10 Oct, 2026 - 08:00 AM

Midwest Functional Medicine Symposium

Hilton Chicago/Oak Brook Hills Resort & Conference Center

USD 199
Thu, 08 Oct, 2026 - 06:30 PM

2027 Investor Day - October 8th & 9th, 2026 | Stenger Family Office

Gibsons Bar & Steakhouse

Free

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