Six Flags Great America in suburban Gurnee will officially open for the 2025 season Friday, April 18, according to the park.

Six Flags Great America will open its gates Friday in Gurnee. There's a new ride for thrill-seekers. It's the "Wrath of ...

Six Flags Great America opens for its 49th season on April 18, featuring a full lineup of summer events and entertainment. A ...