Hat Yai International Airport (IATA: HDY, ICAO: VTSS) is in Khlong La subdistrict, Khlong Hoi Khong district, Songkhla province in southern Thailand, near the city of Hat Yai.

At longitude 100° 23' 55" E and latitude 06° 55' 46" N, 28 m above sea level, the airport is 9 km (6 mi) east of downtown Hat Yai and 43 km east of Songkhla city.

Highway 4135 (Sanambin Panij Road) links to the airport.

The runway can handle 30 flights per hour, and its durability is rated at PCN 60/F/C/X/T.

The upgrade will expand the airport's capacity to serve over 10 million passengers by 2030.