Launceston Airport (IATA: LST, ICAO: YMLT) is a regional airport on the outskirts of Launceston, Tasmania.The airport is located in the rural area of Western Junction 15 km (9.3 mi) from Launceston city centre.n the 2007/2008 financial year, the airport had a record 1.1 million passengers, up 10% on the previous year; 255,000 passengers passed through the airport in the three months to 30 September, up 7% on the previous year.