Six Flags Great America 2026 Opening Day

Sat Apr 25 2026 at 10:30 am to 08:00 pm UTC-05:00

Six Flags Great America | Gurnee

Publisher/HostSix Flags Fanatics

Six Flags Great America 2026 Opening Day

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Kick off the 2026 season at Six Flags Great America as they open their gates for the 2026 season on April 25, 2026! Ride your favorite coasters and rides, create unforgettable memories, enjoy some live entertainment and eat some delicious food at your favorite restaurants! Six Flags Great America will be open from 10:30am-8:00pm!

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Six Flags Great America, Gurnee, Illinois, United States

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