Six Flags St. Louis fans, mark your calendars! The Gateway to Thrills officially opens for the 2025 season on Saturday, April 5. 
 
Be among the first to scream with joy on the Screamin’ Eagle, take in the jaw-dropping springtime views on the Colossus and take a wild spin on THE JOKER™: Carnival of Chaos featuring speeds of up to 75 MPH! Plus, there is plenty of family fun to be had on Rookie Racer, River King Mine Train and more! 
 
Don’t forget the little ones! Keep an eye out for Bugs Bunny™ and the rest of the Looney Tunes characters as they welcome you into the park for a thrilling day!  
Opening Day is just the beginning of a season full of fun, thrills and making life-long memories at one of America’s favorite amusement parks! 
 
Get the best value in 2025 with a Season Pass! You’ll enjoy unlimited visits, free parking, discounts and so much more! A value you just can’t beat!