KTX and SRT Have Merged: What Changes for Seoul–Busan Trains
Published October 20, 2026
Since September 1, 2026, KTX and SRT run as one system. Seoul–Busan standard fares dropped to 54,400 won, and one app books trains from both Seoul Station and Suseo.
What you need to know
- Korail and SR merged their high-speed services on September 1, 2026. The former SRT trains from Suseo are now called KTX-Sancheon.
- Fares were cut by about 10% on average. Seoul to Busan in standard class went from 59,800 won to 54,400 won.
- The new Korail+ app, launched in August, searches trains from both Seoul Station and Suseo in one place.
- Many travel guides still show the old 59,800 won fare.
Full details in our guide. Seoul to Busan is up to date with this change.