Travellers who have applied/obtained their Thailand Pass QR code before 22 December, 2021, with scheduled arrival dates in Thailand from 24 December, 2021, onwards, can still enter Thailand until there are any changes. Currently, there is no cut-off date.
From 11 January, 2022, fully vaccinated international travellers can also enter Thailand under the Sandbox programme at either Krabi, Phang-Nga, and Surat Thani (Ko Samui, Ko Pha-ngan, and Ko Tao), in addition to Phuket.