Nogales International Airport (IATA: OLS, ICAO: KOLS, FAA LID: OLS) is a county-owned public-use airport located 8 miles (7.0 nmi; 13 km) northeast of the central business district of Nogales, a city in Santa Cruz County, Arizona, United States[1] and is also a port of entry into the United States.

It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2019–2023, in which it is categorized as a local general aviation facility.

Nogales International Airport covers an area of 340 acres (140 ha) at an elevation of 3,955 feet (1,205 m) above mean sea level.

It has one runway designated 4/22 with an asphalt surface measuring is 7,200 by 100 feet (2,195 x 30 m).

[1] For the 12-month period ending April 17, 2017, the airport had 46,850 aircraft operations, an average of 128 per day: 87% general aviation, 9% military, and 4% air taxi.