HKT stands for Phuket City Airport, while DPS stands for Denpasar Bali Ngurah Rai Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Jakarta Soekarno-Hatta Intl Airport (CGK), Surabaya Juanda Airport (SUB), Praya Lombok Intl Airport (LOP), Medan Kuala Namu Intl Airport (KNO), Labuan Bajo Mutiara Airport (LBJ) are other airports near this flight route and their unique identifiers/IATA codes.