Welcome to Staybridge Suites - O'Fallon/Chesterfield, Conveniently located at Hwy K and I-64/Hwy 40 in O'Fallon, MO we are just minutes away from Citigroup, Mastercard, APC, NISC, the Missouri Research Park and the businesses in Winghaven. We are also near Missouri Wine Country and the Ameristar Casino, Downtown St Louis, Home of the St Louis Cardinals, the St Louis Rams, the St Louis Arch and Anheuser Busch are only a short drive away. Staybridge Suites can meet all of your business, relocation and leisure needs . Enjoy our Complimentary Hot Breakfast Buffet, our evening Sundowner reception (Tues- Thurs) and 24 hour Bridgemart convenience store . Our complimentary hi-speed, wireless internet access , direct dial guest suite phone lines, and in-room work areas with ergonomic chairs offer a comfortable work environment.