Lewis University Airport (IATA: LOT, ICAO: KLOT, FAA LID: LOT) is a public use airport located 20 miles (32 km) southwest of Chicago, in the village of Romeoville in Will County, Illinois, United States.

[1] The Joliet Regional Port District assumed ownership of the airport in 1989.

Lewis University Airport was the original base for Clarence A.

[4] The airport has had numerous upgrades in recent years, including widening and reconstructing of taxiways, updating airport lights, construction of a control tower, and renovation of ramps.

[6][7] Lewis University Airport covers an area of 1,000 acres (400 ha) which contains two runways:[1] For 12-month period ending July 31, 2022, the airport had 104,000 aircraft operations, an average of 285 per day: 96% general aviation and 4% air taxi.