September 17th, 2021
Effective from September 1st, 2021, visa-free foreign visitor need K-ETA approval in order to obtain the boarding pass and to enter the Republic of Korea. K-ETA is valid for multiple trips over a period of 2 years and the application fee is 10,000 KRW/person.
How to apply: https://youtu.be/uniP4VL3m6w
For more information about K-ETA and K-ETA required countries list, please refer to: https://www.k-eta.go.kr/portal/board/viewboarddetail.do?bbsSn=1723&tmpltNm=notice&bbsId=2