Don Mueang International Airport (ท่าอากาศยานดอนเมือง) formerly known as Bangkok International Airport (ท่าอากาศยานกรุงเทพ) until 2006, is one of two international airports serving Bangkok, the capital city of Thailand, the other being Suvarnabhumi Airport (BKK).

The airport is regarded as one of the world’s oldest international airports and among the oldest operating airports in Asia. It officially opened as a Royal Thai Air Force (RTAF) base on 27 March 1914, though it had been used earlier as a landing field. The first commercial flight to Don Mueang occurred in 1924, marking it as one of the world’s earliest commercial aviation facilities. The inaugural commercial service was operated by KLM Royal Dutch Airlines on a flight between Amsterdam and Bangkok.

Throughout the 20th century, Don Mueang served as Thailand’s primary aviation hub and one of the key gateways for international air traffic in Southeast Asia. During World War II, the airport was occupied and utilized by the Imperial Japanese Army Air Service, later returning to Thai control after the war’s end. In the postwar era, Don Mueang rapidly expanded its civil aviation facilities, accommodating the rise of jet aircraft and the growing international demand for travel to Bangkok.