my nearby Six Flags (in Gurnee, IL) does this via discounting. If you want to go on a less popular day (weekdays towards the end of August after school has star

my nearby Six Flags (in Gurnee, IL) does this via discounting. If you want to go on a less popular day (weekdays towards the end of August after school has started, for instance), you can get discounted tickets on their website. Still full price if you buy at the gate.