Grenchen Airport (ICAO: LSZG, IATA: ZHI) is a regional airport serving Grenchen, a municipality in the district of Lebern in the canton of Solothurn, Switzerland. The airport primarily supports general aviation, flight training, private jets, and business aviation.
The airfield is equipped with a single asphalt runway 06/24, measuring 1,600 m (5,249 ft) in length and 30 m (98 ft) in width, suitable for small props, small jets, regional airliners, and light business aircraft.
Grenchen Airport features hangars, maintenance facilities, a control tower, and administrative buildings to support daily operations. The airport also hosts flight schools and aviation clubs, making it a hub for pilot training and recreational flying.
Located at an elevation of 430 m, the airport is easily accessible from the town of Grenchen and surrounding areas. As of 2025, Grenchen Airport continues to serve as an important center for general aviation in Switzerland, with a focus on business, training, and private flying.