Saturdays and Sundays, September 19 to November 1, 2026

Celebrate the fall season at Six Flags Great America with Tricks and Treats, a family-friendly daytime Halloween event full of mischievous tricks, tasty treats, and spook-tacular entertainment for all ages. This kid-friendly celebration takes place before the sun sets and the scares set up — it’s all fun, no fear during the daytime at Six Flags Great America!

Everyone in the family is sure to have a boo-last with Six Flags Great America’s spooky, kooky Halloween activities — dress in your finest Halloween attire for the Costume Contest, enjoy (skele)tons of delicious seasonal drinks and candy, and discover amazing thrills and chills on some of your favorite family rides.

Don’t miss your chance to celebrate Halloween during Tricks and Treats at Six Flags Great America — it’s all the fun without the fear before the sun goes down.