430 Regency ParkO'Fallon, IL 62269 Phone: +1 618-589-9006Toll Free: +800-426-7866 Hotel Website Classification 3 Superior Tourist Class Commission Rooms Rates 10% - - Hoteliers! Is your information accurate? Update Here Hampton Inn O'Fallon Location & Neighborhood 29 MI, 35 min from St Louis/Lambert airport.