Six Flags Unveils new HALLOWFEST details! #HalloweenSafely

Six Flags Invites Guests to Halloween Safely during HALLOWFEST Thrills by Day, Scary Chills by Night & NEW Card and Mobile Only Payments in a Safe Environment UPPER MARLBORO, MARYLAND — September 24, 2020 — Six Flags America, DC’s Thrill Capital, leads the way for Halloween thrills and chills with a new event for the entire family— HALLOWFEST. The event will feature Thrills by Day with plenty […]