Explore Holiday Inn hotels in Illinois and see why our kid-friendly hotels are perfect for family vacations, anniversaries or weekend getaways. Choose from our Holiday Inn family hotels in Illinois for your next vacation. When you stay with us, kids Stay and Eat Free at Holiday Inn. No matter what brings you and your family to Illinois, there's a Holiday Inn® brand hotel that has something special to offer. All of our family friendly hotels in Illinois provide a distinct experience built to make your travels better.