Ko Bus operates a bus from Samcheok to Seoul hourly. Tickets cost $19 - $27 and the journey takes 3 h 30 min.
How to get from Samcheok to Seoul
From Samcheok bus to Seoul Express Bus Terminal. 3 h 30 min ₩28,200. From Samcheok bus to Gangbyeon Station then subway to City Hall Station. 3 h 36 min ₩18,469. From Samcheok bus to Gangneung Bus Terminal, line 303 bus to Gangneung Station, then train to Seoul Station. 4 h 22 min ₩43,797. From Samcheok drive to Seoul. 2 h 52 min ₩42,417.