Chan Gurney Municipal Airport (IATA: YKN, ICAO: KYKN, FAA LID: YKN) is a regional airport located three miles north of Yankton, in Yankton County, South Dakota. It is named for John Chandler Gurney, a native of Yankton who was a sergeant in the U.S. Army during World War I and later became a member of the United States Senate.