Thai Airways plans to raise frequencies of services to Europe and Asia starting 31 March.
Services from Bangkok to Milan, Madrid and Johannesburg will increase from thrice to four times weekly, while Bangkok-Rome will be raised from four to five times weekly, says an airline official.
One additional weekly service will be added to flights from Bangkok to Manila, Nagoya and Osaka Kansai, raising them to 11, 12 and 18 times weekly respectively.
The airline will also reduce its Bangkok-Krabi frequency from five to four times daily. Thai and its subsidiary Thai Smile will both operate twice daily services on the route, adds the official.