Six Flags Great America FrightFest
It's Thrills by Day, Chills by Night at Fright Fest Presented by Snickers®. Six Flags Great America will be totally transformed into a Halloween playground, Fridays - Sundays. Have a ghoulish good time with hair-raising shows, electrifying street entertainment and thrilling haunted houses. Plus, experience all the rides in the dark. There will also be a special trick-or-treat trail just for kids.