Do you need to do a COVID test to fly domestically in Thailand? It used to be no, but I've heard that may have suddenly changed. Can anyone confirm one way or another?
TLDR : Answer Summary
Currently, travelers who are fully vaccinated do not need to take a COVID test to fly domestically in Thailand. However, those who are unvaccinated may be subject to varying requirements based on the airline and the province they are entering. Despite recent discussions about potential changes in regulations due to the Omicron variant, most references are focused on international arrivals rather than domestic travel.