KTX Trains from Suwon to Busan
The KTX high-speed train is a great way to travel between Suwon and Busan. The journey takes just 2 hours 33 minutes, and trains depart 23 times during the day. Since the train does not stop at any of the intermediate stations, it's a very comfortable ride with plenty of legroom. Tickets start from around 34 $ for an economy class seat carriage. They can be booked online in advance to make sure you have your ticket before boarding.