St. Louis Airport may refer to:
One of six airports in the Greater St. Louis Area St. Louis Lambert International Airport in St. Louis County, Missouri, United States (FAA/IATA: STL) MidAmerica St. Louis Airport in Belleville, Illinois, United States (FAA/IATA: BLV) St. Louis Downtown Airport in Cahokia, Illinois, United States (FAA/IATA: CPS) St. Louis Regional Airport in Alton, Illinois, United States (FAA/IATA: ALN) Spirit of St. Louis Airport in Chesterfield, Missouri, United States (FAA/IATA: SUS) St. Louis Metro-East Airport, also known as Shafer Field, in St. Jacob, Illinois, United States (FAA: IL48)
Saint-Louis Airport in Saint-Louis, Senegal (FAA/IATA: XLS)