KTX-Sancheon Seoul–Busan(KTX-San 121)
KTX-Sancheon 121 is Korail's domestically-developed next-generation high-speed train from Seoul to Busan. Operating at up to 330 km/h on the Gyeongbu HSR line, the KTX-Sancheon has improved aerodynamics, ride quality, and reduced noise compared to the original KTX design. The name means "mountain stream."
Live Train Status
This train departs at 06:05 and arrives at 08:42.
KTX-Sancheon Seoul–Busan — Full Timetable & All Stops
5 stops| # | Station | Arrival | Departure |
|---|---|---|---|
| 1 | Suseo Station Seoul | Start | 06:05 |
| 2 | Dongtan Station Hwaseong | 06:22 | 06:24 |
| 3 | Daejeon Station Daejeon | 07:08 | 07:10 |
| 4 | Dongdaegu Station Daegu | 07:59 | 08:01 |
| 5 | Busan Station Busan | 08:42 | End |
Timetable data is sourced from official South Korea railways records and may vary due to delays or seasonal changes. Always verify with the official operator before travelling.
About KTX-Sancheon Seoul–Busan
KTX-Sancheon Seoul–Busan (Train No. KTX-San 121) is a special express. It runs between Seoul and Busan. The journey covers 5 stations and takes approximately 2h 37m. Book tickets at letskorail.com — operated by Korail.
Ticket Classes & Onboard Facilities
Reserved seating
Standard seating, most affordable class
Onboard Facilities
How to Book KTX-Sancheon Seoul–Busan Tickets
Book Online
Book KTX-Sancheon Seoul–Busan tickets at letskorail.com — the official Korail portal. Compare fares and seat availability before booking. Online booking typically opens 30–90 days before departure.
Book NowAt the Station
Visit any Korail booking office in person. Staff can help with seat selection, group bookings, and special assistance. Book early for popular departure times and holidays.
Need Help?
Contact Korail for schedule information, delay updates, and booking assistance via their official website or station helpdesk.
Visit KorailFrequently Asked Questions — KTX-Sancheon Seoul–Busan
What are the timings for KTX-Sancheon Seoul–Busan?
KTX-Sancheon Seoul–Busan departs at 06:05 and arrives at the final destination at 08:42. Total journey time is approximately 2h 37m. Always verify current timings with Korail before travelling.
How much is the ticket price for KTX-Sancheon Seoul–Busan?
KTX-Sancheon Seoul–Busan fares start from approximately 11,700 (economy class). Book at letskorail.com for the latest prices.
How do I book tickets for KTX-Sancheon Seoul–Busan?
Book KTX-Sancheon Seoul–Busan tickets at letskorail.com — the official Korail booking portal. Tickets are also available at station booking offices. Book in advance for popular routes and holiday periods.
How many stops does KTX-Sancheon Seoul–Busan make?
KTX-Sancheon Seoul–Busan makes 5 stops. The route starts at Suseo Station and ends at Busan Station. Major intermediate stops include Dongtan Station, Daejeon Station, Dongdaegu Station.
Does KTX-Sancheon Seoul–Busan run daily?
Check the running days shown in the hero section on this page. Some routes run daily, others run on selected days only. Always verify the current running schedule on the Korail website or app before booking.
KTX-Sancheon Seoul–Busan Ticket Prices
Opens Korail official booking site