Seoul to Busan: verified KTX fare and pass decision

This flagship long-distance route often drives the pass decision. Start with the verified ticket total, then compare it with the rest of your actual rail itinerary.

Current verified KTX fare

Seoul Station → Busan Station · standard seat

Verified one-way and return KTX fares by the official age band
Traveler Outbound Return leg Round trip
Age 13+ ₩59,800 ₩59,800 ₩119,600
Ages 6–12 ₩29,900 ₩29,900 ₩59,800

Checked 11 Aug 2026. Fare version valid from 15 May 2026 through 31 Aug 2026. Source: KORAIL / Let's Korail official site. Prices are canonical database records, not live booking quotes.

1 adult return ₩119,600
2 adults return ₩239,200
1 adult + 1 child return ₩179,400

The figures above cover only standard-seat KTX tickets for this station pair. Train-specific availability, first-class upgrades, other train types and local transfers are separate. Confirm the timetable and final ticket price with the operator before purchase.

What matters on this route

Seoul Station and Busan Station are the station pair priced here. Both connect to local metro networks, but the local ride to your accommodation is not part of the intercity ticket. If you are staying in southern Seoul, SRT from Suseo may be geographically convenient, but it is a different operator choice and is not covered by a KORAIL Pass.

This page deliberately avoids a fixed journey-time promise because stopping patterns and timetables vary. Use the official booking timetable for the exact departure you plan to take.

Tickets or a KORAIL Pass?

Seoul–Busan has a relatively high individual-ticket total, so it deserves to be entered first in a pass comparison. The decisive question is what else you will ride: a second long-distance day can change the result, while an uncovered SRT or local-transit leg cannot be counted as pass value.

Worked examples using current verified data

These are controlled examples, calculated on 19 Aug 2026 for the dates shown. They are not a substitute for entering your own itinerary.

Individual KTX tickets compared with the cheapest valid KORAIL Pass strategy
Example itinerary Tickets Best pass strategy Cheapest result
One adult, route return A same-day KTX return on 2026-08-26. ₩119,600 ₩131,000 Korea Rail Pass — Select 2 Days Individual tickets ₩119,600 · best pass costs ₩11,400 more
Two adults, route return The same return for two adults, including any eligible group pass price. ₩239,200 ₩242,000 Korea Rail Pass — Select 2 Days Individual tickets ₩239,200 · best pass costs ₩2,800 more
One adult, route return + a Seoul–Gangneung return Two separate rail days (2026-08-26 and 2026-08-28) inside a 10-day comparison window. ₩174,800 ₩131,000 Korea Rail Pass — Select 2 Days Korea Rail Pass — Select 2 Days ₩131,000 · saves ₩43,800

Method: exhaustive deterministic candidate comparison with one pass at most per traveler/group. All displayed scenarios have high or medium data confidence. Unused journeys are never added as savings.

A route page cannot decide a pass from one leg alone. The calculator prices every journey, every eligible product and every legal Select-pass date combination, then includes uncovered tickets exactly once.

Calculate my complete rail itinerary

Before you book

  • Enter both directions separately if you are returning to Seoul.
  • Add Gyeongju, Daegu or other confirmed rail legs before comparing passes.
  • Keep SRT and city transit outside KORAIL Pass coverage.
  • Reserve the actual train after checking seat availability on your intended date.

Frequently asked questions

Is one Seoul–Busan return trip enough to justify a KORAIL Pass?

Not automatically. Compare the verified return-ticket total with every pass available for your travel dates, then include any other eligible Korean rail journeys. The calculator performs that full comparison.

Does a KORAIL Pass cover SRT from Suseo to Busan?

No. SRT is not a KORAIL Pass-eligible train. If you choose SRT, its ticket must remain an uncovered cost in the itinerary.

Which Seoul station should I use for Busan?

The verified fare on this page is for Seoul Station to Busan Station. SRT uses Suseo instead, so do not treat those as the same station pair or pass coverage.