Why KTX vs. SRT vs. Express Bus Matters for Your Trip
Comparing South Korea's 305 km/h KTX, Gangnam's SRT, and plush 21-seat Premium Express Buses across price, speed, luggage space, and station convenience.
| Category / Option | Key Metric / Schedule | Practical Takeaway |
|---|---|---|
| KTX (Seoul/Yongsan Stn) | 2h 15m Seoul–Busan (₩59,800) | Fastest city-center to city-center link |
| SRT (Suseo Stn, Gangnam) | 2h 10m Suseo–Busan (₩52,600) | 10% cheaper & ideal if staying in Gangnam/Jamsil |
| Premium Express Bus | 4h 00m Seoul–Busan (₩39,800–₩52,000) | 160° lie-flat privacy shells; best for Sokcho/Seoraksan |
| Domestic Flights (GMP/PUS–CJU) | 55m–70m to Jeju (₩45,000–₩95,000) | Essential for Jeju Island connections |
Key Action Steps Before & During Your Visit
- KTX (Seoul/Yongsan Stn): 2h 15m Seoul–Busan (₩59,800) — Fastest city-center to city-center link.
- SRT (Suseo Stn, Gangnam): 2h 10m Suseo–Busan (₩52,600) — 10% cheaper & ideal if staying in Gangnam/Jamsil.
- Premium Express Bus: 4h 00m Seoul–Busan (₩39,800–₩52,000) — 160° lie-flat privacy shells; best for Sokcho/Seoraksan.
- Domestic Flights (GMP/PUS–CJU): 55m–70m to Jeju (₩45,000–₩95,000) — Essential for Jeju Island connections.
Pair this guide with our interactive South Korea Itinerary Planner, KORAIL Pass Calculator, and First-Time in South Korea Checklist for a seamless trip.
Frequently asked questions
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Comparing South Korea's 305 km/h KTX, Gangnam's SRT, and plush 21-seat Premium Express Buses across price, speed, luggage space, and station convenience.
Official sources & further reading
Rules, prices and schedules change. Confirm details here before you travel: