Six Flags Festival 2024 Chicago Tickets. Experience the scariest halloween event in chicago at six flags great america from sep 14 to nov 3, 2024. This offer saves up to 25% versus gate prices.

Six flags great america welcomes travelzoo members to its annual fright fest event. Though daily operation at six flags great america in gurnee has concluded for the season, those eager for some fall thrills are in luck, as this year’s fright fest officially.