Six Flags Magic Mountain Fright Fest 2024 Dates. See fright fest dates and times. At six flags magic mountain in los angeles, fright fest extreme will operate on select thursdays through sundays, from september 7 to november 3, marking the park’s largest and longest fright fest ever with 32 nights of fright.

3 at six flags magic mountain. Six flags magic mountain fright fest extreme amps up the terror for 32 nights on select thursdays through sundays, from september 7 to november 3, 2024.