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Chicago Halloween Party 2026: Haunted Hotel Ball at Congress Plaza Hotel
A Halloween costume party at the Congress Plaza Hotel on October 31.
AI summary · From the event listing
October 31, 2026 · 9 PM – 2 AM
Congress Plaza Hotel Chicago, 520 S. Michigan Ave · $29.96–$1,165.68 ·
Keep your plans in one place. Free account.
It is promoted as Chicago’s longest-running and largest Halloween costume party.
AI · From the event listing
Organizer’s description
Join us at Chicago's Longest-running and Largest Halloween Costume Party at one of the most haunted hotels in the world by USA Today!
The Loop
Hosted by HauntedHalloweenBall.com
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