Plattsburgh International Airport is a county public-use airport located three nautical miles south of the central business district of the city of Plattsburgh, within the Town of Plattsburgh in Clinton County, New York, United States. About 85 percent of the airport's passengers in 2013 were Canadians, mostly from Montreal. The airport is located at the former Plattsburgh Air Force Base and has been owned by Clinton County since 2002.