S . Korean airports to adopt biometrics system for domestic flights SEOUL , Jan . 22 ( Yonhap ) -- Two South Korean airports will adopt biometrics authentication systems next week , allowing local passengers to travel without identification cards , the transport ministry said Monday . South Korean passengers using Gimpo International Airport , located in western Seoul , and Jeju International Airport on the resort island of Jeju , will be able to take domestic flights after going through a biometrics identity confirmation process , which includes methods such as palm vein scanning and fingerprinting , according to the Ministry of Land , Infrastructure and Transport . South Koreans aged 14 or older can use the service after prior registration with their identification cards at the airports , the ministry said . " The new system will reduce errors that occurred when visually inspecting passengers ' identifications and cut the amount of time spent on the check - in process , " a ministry official said . The ministry is planning to expand the service to other local airports , in Gimhae , Daegu and Cheongju , by the end of this year . It is also in talks with other relevant governmental bodies over implementing the system at Incheon International Airport , the country ' s main gateway , which is located west of Seoul . In this file photo , taken on Oct . 6 , 2017 , Jeju International Airport , located on South Korea ' s southern most resort island of Jeju , is crowded with travelers taking a long break for the Chuseok ( harvest moon ) holiday . ( Yonhap ) scaaet @ yna . co . kr ( END )