Sein Airport Limousine operates a bus from Changwon to Busan every 30 minutes. Tickets cost $8 and the journey takes 1 h. Alternatively, Korail operates a train from Changwon to Busan once daily. Tickets cost $5 - $9 and the journey takes 1 h 1 min.
From Changwon bus to Gimhae International Airport. 1 h ₩8,000. From Changwon Jungang Station train to Sasang Station. 1 h 1 min ₩7,991. From Changwon taxi to Busan. 33 min ₩46,670. From Changwon drive to Busan. 33 min ₩6,578. From Changwon walk to Busan. 11 h 11 min.
Yes, there is a direct train departing from Changwon Jungang Station and arriving at Sasang Station. Services depart once daily, and operate every day. The journey takes approximately 1 hour.
Yes, there is a direct bus departing from Changwon and arriving at Gimhae International Airport. Services depart every 30 minutes, and operate every day. The journey takes approximately 1 hour.