BKK stands for Bangkok Suvarnabhumi Airport, while MLB stands for Melbourne 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. Bangkok Don Mueang Intl Airport (DMK), Rayong Utapao Rayong Pattaya Airport (UTP), Hua Hin Airport (HHQ) are other airports near this flight route and their unique identifiers/IATA codes. Find deals