Nakhon Si Thammarat International Airport is in Pak Phun subdistrict, Mueang Nakhon Si Thammarat district, Nakhon Si Thammarat province in southern Thailand.
The airport's first landing was on 1 December 1998 by Thai Airways International and PBair from Bangkok.
Beginning in 1985, Nakhon Si Thammarat used Cha-ian Airport (Army Region 4) temporarily. Thai Airways Company flew from Surat Thani to Nakhon Si Thammarat on Short 360 aircraft. Nakhon Si Thammarat Airport then had Nok Air, Thai AirAsia, and One-Two-Go as airlines. Thai Airways and PBair later suspended service.
In July 2008, the Department of Civil Aviation (Thailand) suspended the of One-Two-Go (operated by Orient Thai Airlines) from 22 July to 15 September. One-Two-Go was then re-certified and their service was suspended to Nakhon Si Thammarat Airport.
As a result of the airport's growth, the Nakhon Si Thammarat Provincial Governor and Nakhon Si Thammarat Airport Director are working on including international flights, due to the potential for increased tourism and economic growth for the Nakhon Si Thammarat province. The initiative planned to extend the runway to .
On 12 July 2013 Nakhon Si Thammarat Airport was published in Royal Thai Government Gazette to customs airport, No. 10/1 of Ministerial Regulation prescribed port or place, customs airport, border approval way, and customs ACT 2553. Dated 1 July 2013 by Kittiratt Na-Ranong, the Minister of Finance, which resulted in Nakhon Si Thammarat Airport qualifying to import and export international flights and goods.
The airport is from the city center. It has an arrival terminal capacity of 188 people per hour and a departure terminal capacity of 215 people per hour. It has two Boeing 737 parking spaces, two ATR 72 parking spaces, and two helipad spaces. The airport spans .
The terminal building covers . The arrival terminal covers , while the departure terminal covers .
The flight capacity is 32/day. The passenger capacity is 2,504 passengers/day. Aircraft parking space is 17,000 square meters (85 x 200 meters). The runway covers .