Quality Inn, an O'Fallon hotel near the Gateway Arch. The pet-friendly Quality Inn hotel is off Interstate 64, minutes from Southwestern Illinois College Belleville Campus and the Gateway Arch. Our amenities include: free hot continental breakfast,free wi-fi, free weekday newspaper, free parking, indoor heated pool, hot tub and access to copy and fax services. All guest rooms include microwaves, refrigerators, coffee makers, hair dryers, irons and ironing boards. Whirlpool bathtubs are available in king rooms. Group rates are available and guest laundry facilities are on-site. The professionalism of our staff and the prices of our rooms will surely give you the most value, whether on a family vacation, a business trip or simply in need of a restful night after a long day on the road. At the Quality Inn hotel in O'Fallon, you will spend a night, not a fortune.