Singapore Changi Airport, Changi International Airport, or simply Changi Airport, is the main airport in Singapore. A major aviation hub in Southeast Asia, it is about 17.2 km north-east from the commercial centre in Changi, on a 13 km site. The airport, operated by the Changi Airport Group, is the home base of Singapore Airlines, Singapore Airlines Cargo, SilkAir, Scoot, Tiger Airways, Jetstar Asia Airways, Valuair, and Jett8 Airlines.