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The Quality Inn hotel in O'Fallon, IL gives you real value with peace of mind. Our pet-friendly hotel is near O'Fallon Sports Park with easy access to St. Louis, St. Louis International Airport and Scott Air Force Base. Enjoy amenities that include free hot breakfast, free WiFi, free weekday newspaper, free coffee, an indoor heated pool and a hot tub, and a guest laundry facility. Each inviting guest room features a refrigerator, microwave, coffee maker, hair dryer, iron and ironing board. King rooms include a a hot tub. Our hotel is accessible to individuals with disabilities. Also, earn rewards including free nights and gift cards with our Choice Privileges Rewards program.