Six Flags Fright Fest 2024 Illinois Tickets. All guests 15 years old or younger must be accompanied by a chaperone who is at least 21 years old with a valid government id to. Fright fest at six flags great america.

Face your fears at chicago’s most thrilling and scariest halloween event! Mark your calendars for the 2024 six flags great america fright fest, slated to run from september 14 to november 3.