
The first flight will fly from Bangkok to Phitsanulok and then to Chiang Mai.
The second flight from Bangkok will first stop at Khon Kaen and then Ubon Ratchatani.
The third flight will fly from Bangkok to Surat Thani, then Nakhon Si Thammarat and finally to Hat Yai district in Songkhla.
The decision came after an urgent meeting of executives of Thai Airways, Thai Smile Airways, and Nok Air.
The measure was adopted after nine Nok Air flights were cancelled because of a strike by its pilots.