Six Flags St. Louis Coupons - Eureka, MO You are here Home > Amusement Parks > Six Flags St. Louis Coupons - Eureka, MO Tweet Our address Address: 4900 Six Flags Road Eureka, MO 63025 GPS: 38.5110767, -90.6740069 Web: http://www.sixflags.com/stLouis/index.aspx