KTX vs SRT: What’s the Difference and Which High-Speed Train Should You Take in Korea?

KTX vs SRT: What’s the Difference and Which High-Speed Train Should You Take in Korea?

If you're planning to travel between cities in South Korea—say from Seoul to Busan, or to Gwangju, Daegu, or Daejeon—your best bet is one of Korea’s high-speed trains. But then comes the question: KTX or SRT? What are they? Are they different? Which one is better?

Let’s break it all down in simple terms for travelers. This guide covers how to use both trains, the key differences, and how to choose the best option for your trip.

What Are KTX and SRT?

KTX (Korea Train Express) is the original high-speed rail operated by Korail, Korea’s national rail company. It’s been running since 2004 and connects Seoul to most major cities like Busan, Daejeon, and Gwangju.

SRT (Super Rapid Train) is a newer high-speed service operated by a private company called SR. It started in 2016 and runs along the same high-speed lines—but starts from a different station in Seoul.

Key Differences Between KTX and SRT

Category KTX SRT
Operator KORAIL (public) SR Corporation (private)
Main Seoul Station Seoul Station Suseo Station (in Gangnam area)
Destinations Busan, Gwangju, Mokpo, etc. Busan, Daegu, Daejeon (limited lines)
Ticket Price Usually slightly more expensive Usually 5–10% cheaper
Travel Time Very fast Slightly faster on some routes
Booking Platform letskorail.com etk.srail.kr

Which Station Should You Use?

If you're staying near Seoul Station (north of the river, like Myeongdong, Jongno, Hongdae), KTX is more convenient.

If you’re in Gangnam, Jamsil, or Songpa area, SRT's Suseo Station may be closer—and often less crowded.

How to Book Tickets

Option 1: Online Booking

Option 2: Mobile Apps

  • KTX: KorailTalk App (Android/iOS)
  • SRT: SRT App (Korean only – can be tricky for foreigners)

Option 3: At the Station
You can always buy tickets at machines or counters at either station. English is supported at most machines.

Onboard Experience

  • Both trains offer Standard Class and First Class seating
  • Comfortable seats, tray tables, and plenty of legroom
  • Free Wi-Fi on some KTX trains (limited)
  • Restrooms, luggage space, and vending machines onboard

Which One Should You Choose?

  • Take KTX if you want to go to Gwangju, Mokpo, or if you're staying near Seoul Station.
  • Take SRT if you're in Gangnam or want a cheaper, possibly faster ride to Busan or Daegu.
  • Both are reliable, fast, and clean—you really can’t go wrong.

Final Thoughts

Whether you choose KTX or SRT, traveling by high-speed train in Korea is one of the best ways to explore the country. The trains are punctual, comfortable, and super efficient. Just pick the one that fits your route and location—and enjoy the ride!

Still can’t decide? If you're heading to Busan, why not try one on the way there, and the other on your way back?

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