Fright Fest & Kid's Boo Fest at Six Flags-St Louis

Name: Fright Fest & Kid's Boo Fest at Six Flags-St Louis
Start: 2026-10-02T23:00:00.000Z
End: 2026-10-03T04:00:00.000Z
Location: Six Flags St Louis

WhenFriday, October 2, 2026
6:00 PM – 11:00 PM

WhereSix Flags St Louis
4900 Six Flags Road, Eureka, MO 63025

Fright Fest and Kid's Boo Fest are Halloween Parties on every weekend, September 12th through November 1st, at Six Flags - St. Louis. The whole family will enjoy the "Kid's Boo Fest" (Saturdays & Sundays, 12-6pm) which is scare-free fun for kids during the day, includes family-friendly fall activities, all the rides and Trick or Treat Trail. As the sun goes down, the park is transformed into "Fright Fest," (Fridays starting 9/25, and Saturdays & Sundays, 6pm to close)) a frightful shadowland with terror around every corner - not recommended for children under 13 or anyone who scares easily! See website for all the frightening details.

PARK Hours during Fright Fest and Kid's Boo Fest:

Fridays beginning 9/25: 6pm-11pm
Saturdays: 12pm-11pm
Sundays: 12pm-9pm

Visit Event Page →