1180 Central Park DrO'Fallon, IL 62269 Phone: +1 618-206-8869Fax: +1 618-206-8895Toll Free: +800-228-2800 Hotel Website Classification 3 Superior Tourist Class Commission Rooms Rates 10% 106 - Hoteliers! Is your information accurate? Update Here Fairfield Inn & Suites O'Fallon, IL Location & Neighborhood 29 MI from St Louis/Lambert airport.