Train travel in Korea: the practical basics

Korea's rail network is fast, punctual and pleasantly cheap by rich-country standards. Ten minutes of orientation is all you need.

Know your trains

KTX / KTX-Sancheon are the high-speed workhorses on the main corridors. SRT looks identical but is a separate operator from Suseo Station — separate tickets, and not covered by KORAIL passes. ITX-Saemaeul and Mugunghwa are the slower, cheaper regional services that reach many smaller cities, and ITX-Cheongchun serves the scenic Chuncheon line.

Buying tickets

The Korail Talk app and the English website both sell tickets to foreign cards; station machines and staffed counters work fine too. Trains have no turnstiles — your seat assignment is your ticket, and conductors check tablets, not paper. Standing/unreserved tickets exist on busy trains and cost slightly less.

Rail passes in one paragraph

Foreign visitors can buy the KORAIL Pass for unlimited travel on KORAIL trains over selected or consecutive days. It pays off on multi-city itineraries and loses on single round trips — the break-even depends on your exact plan, which is why we built the calculator that tests every option. The full rules live in the KORAIL Pass guide.

Small things worth knowing

• Big stations (Seoul, Busan, Dongdaegu) have lockers and luggage-friendly elevators.
• Eating on KTX is fine; convenience stores inside stations sell decent picnic material.
• Reservation change/cancel fees are small and the apps make swaps painless.
• During holidays (Seollal, Chuseok) trains sell out weeks ahead — book early or bus it.

Verified route fare guides

• Seoul to Busan
• Seoul to Gyeongju
• Seoul (Yongsan) to Jeonju
• Seoul to Gangneung
• Seoul to Daegu (Dongdaegu)
• Busan to Gyeongju

Airport: Incheon to Seoul