- Narita International Airport-0 (0%)
- Gimhae International Airport-1 (33%)
- Incheon International Airport-2 (66%)
- Gimpo International Airport-0 (0%)
The correct answer is Incheon International Airport. It is 52 km west of Seoul and is located on a little island. It was officially opened in March 2001. Gimpo International Airport, in Seoul, used to be the main international airport, but it could not keep up with the increasing number of international passengers after the 1988 Seoul Olympics. Gimhae International Airport is in Busan. Narita International Airport is in Tokyo.