Airports of Thailand Public Company Limited is a state enterprise under the supervision of the Ministry of Transportation. It oversees all airports in Thailand.

Thailand has 38 airports, including seven international airports. Six of them are located in Bangkok, Samutprakarn, Chiang Mai, Chiang Rai, Phuket, Hat Yai, which are under the supervision of Airports of Thailand Public Company Limited while U-Tapao International Airport is operated by Royal Thai Navy.

International services are provided by many carriers, including the country’s national carrier, Thai Airways International Public Co., Ltd. Thai Airways flies to 66 cities in 36 countries throughout the world and is part of the Star Alliance Network, which is composed of 27 airlines, providing a network of airlines that covers the whole world.

In addition, domestic services are available to all regions of Thailand through both Thai Airways International and numerous low-cost carriers.

In 2019, the number of international air traffic slowed down due to the decline of the Chinese travel market which Thailand's major market. The number of domestic air traffic declined as the domestic airline industry has reached saturation and  the decline of travelers to Thailand, especially from Chinese travelers.  Aircraft movements increased from 874,999 to 896,097 flights. Number of passengers increased from 139.52 to 141.87 million, while freight and mail volume declined by 10.70%.

Suvarnabhumi Airport served 115 airlines provided international scheduled services at Suvarnabhumi Airport, with 64.71 million of international passengers. The number of passengers who travelled with scheduled flights was accounted for 91% of total international passengers.

Suvarnabhumi Airport has planned the development project which is divided into 4 phases as follows:

1. Suvarnabhumi Airport Development Project Phase 2 (Present - 2021) is aimed to increase Suvarnabhumi Airport’s annual passenger handling capacity to 60 million. The project is currently under construction.

2. Suvarnabhumi Airport Development Project Phase 3 (2017 - 2021) is aimed to increase Suvarnabhumi Airport’s handling capacity of air traffic movements until 2025 with annual passenger handling capacity not less than 90 million. It is broken down into 2 projects as follows:

2.1 Construction Project of the Second Passenger Terminal

The construction project of the Second Passenger Terminal to handle 30 million passengers per year is currently in the process of procuring a designer and is planned to begin construction in 2019 and be completed by 2021.

2.2 Construction of the Third Runway

The construction of the third Runway coupled with runway and taxiway systems is currently in the design process and is planned to begin construction in 2019 and be completed by 2021.

3. Suvarnabhumi Airport Development Project Phase 4 (2020 - 2026) is aimed to increase Suvarnabhumi Airport’s handling capacity of air traffic movements until 2030 with annual passenger handling capacity to 105 million.

4. Suvarnabhumi Airport Development Project Phase 5 (2025 - 2030) is aimed to increase Suvarnabhumi Airport’s handling capacity of air traffic movements until 2035 with annual passenger handling capacity to 120 million.

Hours of Operation: 24 hours

Aircraft parking space: 120, of which 8 are for Airbus A380 (5 of them are contact gates)

Duty-Free Zone (Cargo Warehouses) : The government has a policy to promote Suvarnabhumi Airport as a Center of Aviation, Passenger and Cargo Transportation. Therefore, the Duty-Free Zone was created in order to facilitate the handling of inbound, outbound cargo and transit cargo with minimum customs procedure. The Duty Free Zone is located in the northwest end of the Airport, and has a total area of 549,416 m² or about 345 Rai, as a well as public area of 111,156 m² .The main buildings consist of

Phuket International Airport ranks second in the country in terms of passenger and cargo volume. Thanks to the fascinating tourist attractions, including the world famous beaches in Phuket and the nearby provinces coupled with a complete range of tourist services, Phuket International Airport welcomes millions of passengers each year.

Phuket International Airport served 53 scheduled airlines and handled 115,527 flights, declined by 0.82%. Out of the total flights, 63,451 were international scheduled and chartered flights, increased by 1.43%. Total domestic flights were 52,076,a decline at 3.44%. The airport served a total of 17,848,662 passengers, a decline at 2.26% over the previous year. This included 10,318,327 international passengers, declined by 0.77%; while domestic passengers amounted to 7,530,335 or a 4.22% decrease. The total freight and postal parcels handled at the airport declined by 12.21% to 54,102 tons, including 41,972 tons of international freight which decreased by 6.05% from the previous year and 12,130 tons of domestic freight, representing a 28.43% decrease.

Chiang Mai International Airport is the gateway to Northern Thailand which is renowned for its breathtaking natural attractions and deep-rooted cultural traditions. The airport has contributed greatly to tourism in the North over the years. Plans are being made to improve and expand the airport. The development plans are as follow:

1.Chiang Mai International Airport Development Project Phase 1 (2018 - 2022) is aimed to increase airport handling capacity of air traffic movements until 2025 with annual passenger handling capacity to 16.5 million. The project is currently in the process of requesting for budget approval.

2. Chiang Mai International Airport Development Project Phase 2 (2021- 2025) is aimed to increase airport handling capacity of air traffic movements until 2035 with annual passenger handling capacity to 20 million.

U-Tapao International Airport is located in the Pla subdistrict of the Baanchang district in the province of Rayong. It occupies an area of land approximately 1040 hectares (6,500 rai, 2,570 acres) in size and spans from the Baan Chang to Sattahip districts in Rayong.

Presently U-Tapao International Airport has one runway of a standard length of 3,500 meters and width of 60 meters with 52 bays, which when functioning at maximum capacity can support up to 20 million passengers per year. There is currently 1 passenger terminal which can support 700,000 domestic and international passengers per year, and with continued expansion of the second passenger terminal, this value will increase to 3 million passengers per year.

Currently undertaken development plans call for government brownfield expansions in making way for a second runway, the Aviation Training Center, and public utility systems, as well as greenfield expansions for Phase 1 of the MRO facilities, Phase I Air Cargo facilities, where the latter is done in collaboration with the Thai Airways PCL, and the Aviation Training Center through collaboration with the Civil Aviation Training Center.