Tares Krassanairawiwong, director general of the Department of Health Service Support, said the airports in question are U-Tapao, Samui, Chiang Mai and Phuket.
Bangkok’s Suvarnabhumi and Don Mueang airports are already open to medical tourists.
The committee is awaiting approval from the Centre for Covid-19 Situation Administration (CCSA).
Currently, there are 1,123 foreigners staying in alternative hospital quarantine, of whom 652 are patients and 471 are their companions. This group has brought Bt114 million in revenue so far.
Meanwhile, a CCSA sub-committee has approved the concept of wellness or spa quarantine and the department will soon draw up guidelines to govern this service.