Six Flags® Hotel Features Family-Friendly Holidome. Located off I-44 at exit 261, the Holiday Inn® Saint Louis West at Six Flags® is just steps from the gate of Six Flags® St. Louis, an action-packed adventure park with exhilarating thrill rides and loads of fun for kids of all ages. Our free shuttle allows you to save $22.00 a day on Six Flags® parking. Discount Six Flags tickets available at the front desk. Our Kids Eat Free program allows families with 2 kids 12 and under to save $50 per day. Kids 12 and under eat free off the children’s menu in the Haymarket Restaurant. Valid for up to 4 children per adult meal, all meals . The Haymarket Restaurant is temporarily closed. Experience Holiday In the Park at Six Flags theme park select days Nov 25 to Jan 1. Enjoy milions of twinlke lights, Holiday Magic and select rides. During your visit, you and the family will love our indoor Holidome. The pool, sauna and whirlpool are a great way to relax. But don't miss the Fitness Center, games area, putting green and shuffleboard court. Rain or shine you will enjoy our indoor activities. After a day of fun, dine at our Haymarket Restaurant where kids under 12 eat for free. Enjoy a family winter getaway and special ticket prices for Hidden Valley Ski Resort . Nearby companies include MidAmerica Testing, Byerly RV, Cenveo, Rotometrics, Purina Farms and Ameren Labadie. Campgrounds include KOA and Yogi Bear's Jellystone Park.