How to Book KTX in Korea? Guide for First Timers

So, you’re planning a trip to Korea and thinking about going beyond Seoul? Maybe Busan? Gyeongju? Daegu? Let me tell you KTX (Korea Train Express) is the way to go.

It’s fast, clean, super easy to use, and honestly, kind of fun. I still remember the first time I rode it—I felt like I was in a K-drama.

If you’ve never taken the KTX before, don’t worry! Here’s a full, no-stress guide to help you book, ride, and enjoy the experience like a pro.

What is KTX?

KTX stands for Korea Train Express, which is basically Korea’s version of a bullet train. It connects major cities like Seoul, Busan, Daejeon, Gyeongju, and more. The top speed? Around 300 km/h (186 mph). That means you can get from Seoul to Busan in just about 2.5 hours. Pretty cool, right?

How to Book KTX Tickets?

1. Online (Before You Arrive)

• Go to the official site: letsKorail
• Use platforms like Klook, Trazy, or Rail Ninja (user-friendly for tourists)
• You can also buy a KR Pass (Korea Rail Pass) for unlimited rides for 2–5 days — super worth it if you’re planning multiple trips!

2. At the Station (In Korea)

• Visit big stations like Seoul Station or Busan Station
• English-speaking staff are usually available
• Go to the ticket counter or use the ticket machine (English menu available)

3. With a KR Pass

• Only available for foreigners
• Book online before arriving in Korea
• Choose between Consecutive Day Pass (2/3/4/5 days in a row) or Select Pass (non-consecutive use)

Ticket Types and Prices

Prices can vary slightly depending on time and seat class (economy vs. first class).

What to Expect Riding KTX?

• Arrive at the station 15–20 minutes early
• Find your car number and seat number on your ticket
• Luggage racks available near entrances
• Clean restrooms onboard (seriously, super clean)
• You can bring snacks and drinks
• There’s often a little screen showing the current speed, I always geek out at that 🤓

My First Time on the KTX

I was nervous! I didn’t speak much Korean, and I was worried I’d get lost. But it was actually super smooth. The signs were clear, staff were kind, and the train ride was so comfortable I almost fell asleep (I didn’t, because I didn’t want to miss the views).

It felt like a scene from a K-drama, just me, a window seat, earbuds in, and the Korean countryside zooming by.

KTX vs SRT vs ITX, What’s the Difference?

• KTX: Fastest, most popular, more stations
• SRT: Another high-speed train, usually cheaper, runs from Suseo (not Seoul Station)
• ITX/Saemaeul/Mugunghwa: Slower trains but cheaper for budget travelers

If it’s your first time, just go with KTX. It’s the easiest.

How to Use Your KR Pass After Purchase?

If you buy your KR Pass online (like on Klook or the official Korail website), you’ll get a voucher via email. Here’s what to do next:

• Print out the voucher or keep a digital copy on your phone
• Bring your passport and voucher to a major station (like Seoul Station, Busan Station, etc.)
• Head to the Korail Information Desk or ticket counter to exchange your voucher for a physical pass
• Once activated, use the Korail site or app to reserve seats on the trains you want

Easy, right? Just don’t forget your passport,  they’ll need to verify it!

Best Time to Ride and Book KTX?

If you’re traveling on weekends or during Korean holidays (like Chuseok or Lunar New Year), it’s best to book your tickets 3–5 days in advance. Trains fill up fast!

For casual weekday travel, you can usually book 1–2 days before, or even same-day for less popular routes.

Spring (cherry blossom season) and autumn (fall foliage) are super popular, so plan ahead if you’re going during those months.

Final Tips for First-Timers

• Double check your departure station (there are multiple stations in Seoul!)
• Download KORAIL Talk app (it’s in English)
• Book early if you’re traveling on weekends or holidays, it gets busy
• Always keep your ticket handy (they might check it onboard)

➡️ Want a complete overview? Check out my full train travel guide here.

Final Thoughts?

If you’re thinking of doing a day trip or exploring more of Korea, KTX is such a great choice. It’s quick, comfy, and gives you a whole new view of the country beyond Seoul. Plus, the feeling of zooming past fields and mountains at 300 km/h? Iconic.

So don’t be nervous, book that ticket, pack your favorite snacks, and get ready for a K-drama-worthy ride across Korea. Safe travels!

• Also read:
• 5 Cherry Blossoms Festival in Korea, Best Month and Spots!
• 3 Days in Seoul Itinerary, Budget, and Transportation
• 5 Famous Palace in Seoul, Tourist Must Visit!