Yes, there are currently restrictions on flights to Daegu along with the rest of South Korea. Before you book or search for flights, consider the following restrictions: South Korea has restricted the entry of all travellers who have been in the Hubei Province of China in the past 14 days. Chinese nationals with passports issued in the Hubei Province are also not allowed to enter the country. Korean visas issued by the Wuhan Consulate in the Hubei Province are invalidated. Nationals of China and travellers arriving from China must have visas to transit through South Korea.. If you are looking to book a trip to Daegu and are outside of the restricted areas, please take the proper precautions and stay informed about travelling during COVID-19.