7750 Carondelet AveClayton, MO 63105 Phone: +1 314-726-5400Fax: +1 314-719-1126Toll Free: +844-615-5557 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 255 - Hoteliers! Is your information accurate? Update Here Clayton Plaza Hotel Location & Neighborhood Business district - 10 MI, 30 min from St Louis/Lambert airport. St Louis