The KTX high-speed train from Dogo Oncheon to Seoul departs as early as 5:40 AM, with the last train leaving at 9:54 PM. This route passes through major, bustling stations like Busan, Daegu, and Dongdaegu. The KTX covers the journey in approximately 2 hours and 30 minutes. Prices for tickets start from ₩51,000 (about $43 USD) for standard class, with first-class options available for added luxury. You can reserve a seat and check the schedule online for up-to-date timetable information and ticket availability.