THAI Smile Airways (WE) is the premium regional wings of Thai Airways International(TG), which operates from a primary hub at Bangkok’s Suvarnabhumi Airport (BKK) and a secondary hub at Bangkok’s Don Mueang International Airport (DMK). With Airbus A320, THAI Smile serves both Premium economy and economy class to Thailand’s major domestic routes such as Chiang Mai, Phuket, Hat Yai, Udon Thani and so on. THAI Smile also has scheduled service to Myanmar, Cambodia, India, Macau and China. More Asia’s destinations are on the plan. As the THAI Airway’s subsidiary, passengers earn frequent flyer miles with Royal Orchid Plus program.