Great Falls International Airport (IATA: GTF, ICAO: KGTF, FAA LID: GTF) is a public/military airport in city limits three miles southwest of central Great Falls in Cascade County, Montana, United States.

[5] Federal Aviation Administration records say the airport had 143,811 passenger boardings (enplanements) in calendar year 2008,[6] 146,438 in 2009 and 155,204 in 2010.

Operationally-gained by Air Mobility Command (AMC), the 120 AW reequipped with the Lockheed C-130 Hercules in 2014, which it employs in medium airlift missions.

During the war years, more than 7,500 bombers and fighter aircraft passed through Great Falls on their way to Europe and the Pacific.

With Federal Aviation Administration matching funds, the Great Falls International Airport Authority performs annual operations, maintenance, and capital improvements.

[9] GTF was the fifth-busiest of the state's 15 major airports in 2011, behind Billings (407,960 enplanements), Bozeman (397,822), Missoula (292,530), and Kalispell (179,034).

[4] In the year ending December 31, 2018, the airport had 34,599 aircraft operations, average 95 per day: 40% general aviation, 32% air taxi, 11% airline, and 16% military.