Abraham Lincoln Capital Airport (IATA: SPI, ICAO: KSPI, FAA LID: SPI) is a civil-military airport in Sangamon County, Illinois, United States, three miles (6 km) northwest of downtown Springfield. It is owned by the Springfield Airport Authority (SAA). The airport is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2019–2023, in which it is categorized as a non-hub primary commercial service facility. It is the seventh busiest airport of the 12 commercial airports in Illinois.