Sion Airport (IATA: SIR, ICAO: LSGS) is the airport of the city of Sion, Switzerland.  Sion Airport is the only airport in Switzerland to be used for civil and military aviation.

It is also an airport with a difficult approach due to the mountains and the curved valley. As it is an international airport, there is a permanent customs service. The few charter flights are coming from London or going to Corsica; but the main traffic is consisting of business or tourism flights.

Coordinates: N 46° 13′ 9″ – E 7° 19′ 37″
Elevation: 1581 ft / 482 m (AMSL)
Radio communication language: English / Français
Website: http://www.sionairport.ch