Welcome to Staybridge Suites - O'Fallon/Chesterfield. Featuring apartment-style suites ideal for vacationing families and those in town for business. Staybridge Suites ® O'Fallon MO hotel is designed for the discerning traveler. Conveniently located near the intersection of Hwy 40 and Highway K, we offer the best accommodations for your travel. Our all-suite hotel is great for visiting local companies and institutions: Mastercard, Citi. After a long day at work, come relax in your spacious suite equipped with a full kitchen, plush bedding and a flexible workspace. Stay connected with our free Wi-Fi access throughout the hotel. Leisure travelers enjoy shopping at local outlet malls or trying their luck at Ameristar or Harrah's casinos. Our hotel is also located near historic St. Charles, Hollywood Casino Amphitheater, Gateway Arch and the St. Louis Cardinals' stadium. After a day of adventure, come back to your hotel suite and take advantage of all the thoughtful amenities that our hotel provides. During your extended stay, indulge in our evening social Mon-Wed with complimentary dinner, soft drinks, beer and wine. We also offer a complimentary breakfast, guest laundry facilities, Fitness Center, Business Center and outdoor pool. We offer plenty of space and privacy, with fully stocked kitchens, microwaves, full size refrigerators and dishes. Pets are also welcome for an additional fee.