8170 Veterans Memorial PkwyO'Fallon, MO 63366 Phone: +1 636-696-8000Fax: +1 636-696-8001Toll Free: +877-424-6423 Hotel E-mailHotel Website Classification 3 Superior Tourist Class Commission Rooms Rates 10% 78 $85-$85 (USD) Hoteliers! Is your information accurate? Update Here Comfort Inn & Suites, O'Fallon Location & Neighborhood Hotel Location: Convention Center