Rochester International Airport (IATA: RST, ICAO: KRST, FAA LID: RST) is an international airport located seven miles (11 km) south of downtown Rochester in Olmsted County, Minnesota. It is the second-busiest airport in Minnesota. Its name used to be "Rochester Municipal Airport", before adding customs and immigration facilities specifically for Mayo Clinic purposes in 1995.

The airport covers 2,400 acres (9.7 km2) and has two concrete runways: 9,034 ft × 150 ft (2,754 m × 46 m) runway 13/31 and 7,301 ft × 150 ft (2,225 m × 46 m) runway 2/20.

Airline service is currently provided by American Airlines, Delta Air Lines, and Sun Country Airlines (seasonally). Charter service is also occasionally offered by Sun Country Airlines on Boeing 737s. The airport has a large FedEx Express freight terminal and a general aviation terminal.