Metro:
The metro is the most popular mode of transportation in Seoul and Busan Available throughout the city with maps in Korean and English, it is easy to use by foreign tourists.
Trains:
There are local trains, economy trains, and also express trains such as "KTX" which provides transportation between major cities, and allows access between Busan and Seoul in less than three hours.
buses:
It provides clean buses inside and outside cities with comfortable seating, screens.
taxi:
You can get a car using mobile applications, with your choice of a luxury or normal car, at economical prices.
airplane:
Where South Korea has the best airports in the world Incheon International Airport
It also provides domestic flights at reasonable prices.
In addition to that you can rent bicycles, And you can use the "Kakaomap" kakaotaxi
To help obtain information about transportation.