Siam Air

Siam Air, formally Siam Air Transport Co., Ltd., was a Thai airline headquartered at Don Mueang International Airport in Bangkok. It operated as a short-lived international carrier focused on scheduled passenger services from Bangkok to destinations in East and Southeast Asia. The airline began operations in October 2014, initially using two Boeing 737-300 aircraft on flights between Don Mueang and Hong Kong. Its network subsequently expanded into mainland China, with services to Zhengzhou and Guangzhou added in early 2015. Later in 2015, Siam Air also introduced routes to Macau and Singapore. The carrier's operating model centered on regional international flying from Bangkok rather than a broad domestic network. Don Mueang served as its principal base and hub, linking Thailand with selected destinations in China, Hong Kong, Macau, and Singapore. The airline's fleet was based on Boeing 737 aircraft: two 737-300s were used when operations began, and two 737-800s were added in late 2015. These aircraft enabled the airline to operate medium-range regional routes while increasing capacity as its network developed. Siam Air's destination list included Changsha Huanghua International Airport, Guangzhou Baiyun International Airport, Zhengzhou Xinzheng International Airport, Hong Kong International Airport, Macau International Airport, and Singapore Changi Airport, alongside its Bangkok base at Don Mueang. Available reference material does not identify a major parent group, a publicly traded listing, specific founders or executives, or a detailed commercial positioning beyond its role as a Thai passenger airline. The airline ceased all operations in 2019. No subsequent operating revival, acquisition, rebranding, or successor relationship is established in the available reference material. Siam Air is therefore best classified as a defunct Thai airline whose principal historical significance lies in its brief expansion of scheduled regional air links from Don Mueang during the mid-2010s.

Siam Air was established as Siam Air Transport Co., Ltd., a Thai airline based at Don Mueang International Airport in Bangkok. The carrier entered service in October 2014, beginning with scheduled flights from Don Mueang to Hong Kong. Its initial fleet consisted of two Boeing 737-300 aircraft, reflecting an operating strategy built around narrow-body regional jets and international routes within Asia. During early 2015, Siam Air expanded beyond Hong Kong by adding services to Zhengzhou and Guangzhou in mainland China. These destinations broadened the airline's presence in the Chinese market and formed part of a network linking Bangkok with major cities in southern and central China. The carrier continued its regional expansion later in 2015, launching flights to Macau and Singapore. The resulting network connected Don Mueang with destinations in Thailand, China, Hong Kong, Macau, and Singapore. Fleet growth accompanied the route expansion. Two Boeing 737-800 aircraft were added in late 2015, complementing the original Boeing 737-300 aircraft. The available historical record identifies four Boeing 737 aircraft types used during the airline's existence, but does not provide a complete aircraft-by-aircraft timeline, registration list, cabin configuration, or details of ownership and leasing arrangements. Siam Air's operations remained centered on Don Mueang International Airport, which served as both its Bangkok base and operational hub. Its published destinations included Changsha, Guangzhou, Zhengzhou, Hong Kong, Macau, and Singapore. The airline's network was exclusively or predominantly international in the documented period, and the available sources do not describe a substantial domestic route system. After operating for several years, Siam Air ceased all operations in 2019. The available reference material does not specify the precise date, reason for the shutdown, financial circumstances, or any formal insolvency, acquisition, or successor arrangement. It consequently became a defunct Thai airline rather than an active brand. No reliable information in the supplied material identifies its founder, senior executives, parent company, owner, financial results, or public-market status.

• 2019

  Operations cease

  [1]Siam Airen.wikipedia.org

  Siam Air ceased all operations, ending its period as a Bangkok-based regional international carrier.

• 2015

  Expansion into mainland China

  [1]Siam Airen.wikipedia.org

  The airline added Zhengzhou and Guangzhou to its network during the early part of the year.

• 2015

  Macau and Singapore services launched

  [1]Siam Airen.wikipedia.org

  Siam Air expanded its regional network in late 2015 with flights to Macau and Singapore.

• 2015

  Boeing 737-800 aircraft added

  [1]Siam Airen.wikipedia.org

  Two Boeing 737-800 aircraft were added to the fleet, supplementing the airline's original Boeing 737-300s.

• 2014

  Operations begin

  [1]Siam Airen.wikipedia.org

  Siam Air began scheduled operations in October from Bangkok's Don Mueang International Airport, initially serving Hong Kong with two Boeing 737-300 aircraft.

A Bangkok-based regional international passenger airline serving selected East and Southeast Asian destinations.

• Passenger aviation · 2014

  Scheduled passenger air transport

  Siam Air's core offering was scheduled passenger transportation from its Don Mueang base in Bangkok. The documented network connected Thailand with Hong Kong, mainland China, Macau, and Singapore, making the airline a regional international operator rather than a carrier known primarily for domestic services.

• Aircraft-based service platform · 2014

  Boeing 737 regional services

  The airline operated Boeing 737 aircraft for its regional network. Two Boeing 737-300s were used at launch, while two Boeing 737-800s were added in late 2015. The fleet supported passenger routes from Bangkok to destinations across East and Southeast Asia.

• 2015

  Expand the regional network from Don MueangStrategy

  Background

  After beginning service to Hong Kong, Siam Air sought to broaden its international network across East and Southeast Asia.

  Action taken

  The airline added Zhengzhou and Guangzhou in early 2015, followed by Macau and Singapore later in the year.

  Aftermath

  The expansion produced a documented network spanning Thailand, mainland China, Hong Kong, Macau, and Singapore, although the airline later ceased operations in 2019.

  Source

• 2015

  Add Boeing 737-800 aircraftGeneration change

  Background

  Siam Air expanded its fleet after launching and extending its regional route network.

  Action taken

  Two Boeing 737-800 aircraft were added in late 2015 alongside the existing Boeing 737-300 aircraft.

  Aftermath

  The fleet increase supported the airline's mid-2010s network expansion; no later fleet development is specified in the available source.

  Source

• 2019

  Siam Air ceases all operations[1]Siam Airen.wikipedia.org

  Other

  Siam Air ended its airline operations after several years of scheduled international service from Don Mueang International Airport.

1. 1Siam Airen.wikipedia.org