Fright Fest Six Flags Great Adventure. It ran fridays, saturdays, and sundays from september 14 through october 31, 2019. This year’s six flags fright fest will feature a handful of brand new attractions based on beloved horror properties including saw, the texas chainsaw massacre.

September 17, 24 october 9. It will be open weekends at first, then daily from march 28 to april 7 for spring break, followed by varying open days in april and may before the summer.