Originally Posted by
mahasamatman
Just a note: make sure the driver sees you put your money into the machine. On our last trip to Seoul, the driver wasn't watching and tried to make me pay a second time. Luckily, another passenger vouched for me.
Is this new? Was it on KAL limousine bus? The KAL limousine bus driver will tear your ticket and will give you the receipt portion. There are other airport buses besides KAL limousine buses but KAL buses only serves hotels.