Six Flags Fright Fest 2024 Texas. Fright fest is set to open on september 7 at six flags great adventure in new jersey and six flags magic mountain in los angeles. September 13 to november 3, 2024.

Per the park’s press release, six flags over texas’ new attractions for fright fest 2024 (which starts september 13 and runs through november 3) include: Six flags great adventure resort ramps up the scare factor with the new.