Yes, there are currently restrictions on flights to Phrae along with the rest of Thailand. Before you book or search for flights, consider the following restrictions: Thailand has suspended all flights into the country and restricted the entry of all foreign nationals except those with a work permit until at least June 30. Emergency landings, humanitarian aid flights, medical or relief flights, repatriation and cargo flights, state or military aircraft, and technical landings without disembarkation may still enter the country. All arriving travelers must present a Certificate of Entry and completed Declaration Form issued by the Royal Thai Embassy or the Royal Thai Consulate-General issued in their country of departure, a fit-to-fly health certificate (issued no more than 72 hours before traveling), and proof of health insurance covering all medical expenditure up to USD 100,000 minimum while in Thailand. Upon entry into Thailand, all travelers will be subject to a 14-day quarantine at a Thai government-designated facility at their own expense The validity of all temporary visas has been extended until July 31, 2020. . If you are looking to book a trip to Phrae and are outside of the restricted areas, please take the proper precautions and stay informed about travelling during COVID-19.