The airport, located in Kepala Batas, is approximately 15 km (9.3 mi)[2] from Alor Setar.
The airport's new terminal, which became operational on 5 May 2006, was designed to accommodate future growth in passenger traffic.
In 2009, Sultan Abdul Halim Airport processed 421,314 passengers and recorded 24,031 aircraft movements.
The Royal Malaysian Air Force training division is also co-located and uses the same runway as the airport.
This station are connected to main city and town in Kedah and Perlis like Alor Setar, Gurun, Sungai Petani, Kangar, Arau and Padang Besar.