When I used trains in Korea years ago, carrying a paper ticket was simply part of the journey. I remember showing it to station staff and having the ticket checked before or during the trip.
Riding KTX today feels quite different. There is usually no subway-style gate where you scan a ticket before going down to the platform. You check the departure board, find your platform, walk down, locate your car, and sit in the seat printed on your ticket.
For someone taking KTX for the first time, especially a visitor who is used to railway ticket gates, this can be slightly confusing. You may wonder whether you have missed a checkpoint somewhere. You have not. A valid ticket is still required; the boarding process simply works differently from the Seoul subway.
From a passenger’s point of view, many of the visible steps that used to be part of taking a train have disappeared. Once the ticket is booked, there is relatively little to do at the station besides finding the right train and seat.
Why KTX Does Not Have Subway-Style Ticket Gates
On the Seoul subway, you tap a transportation card or ticket when entering and again when leaving. KTX is different because passengers normally book a specific train, car, and seat before boarding.
This means you do not need to line up at a platform entrance and show your ticket one passenger at a time. At the station, you can move directly toward the platform once its number appears on the departure board, then board the correct car and take your assigned seat.
The absence of a gate does not mean anyone can ride without paying. Passengers are still required to hold a valid ticket, and KORAIL staff can check tickets when necessary. Traveling without a valid ticket can result in additional fares, with larger penalties applying to more serious forms of misuse.
For an ordinary traveler, there is no need to think much about what happens behind the system. Buy the correct ticket, make sure you are boarding the right train, and keep the ticket available during the journey.
How to Buy a KTX Ticket
KTX tickets can be purchased through KORAIL’s website, its mobile services, ticket machines, or station counters. International travelers can book directly through the official KORAIL English website rather than using a third-party booking service.
Regular tickets generally become available from 7 a.m. one month before departure. If your itinerary is already fixed, booking ahead can be useful for Friday evenings, weekends, and other popular travel periods when desirable trains may sell out.
Seollal and Chuseok are different from ordinary weekends. Large numbers of people travel across the country during Korea’s major holidays, and KORAIL operates separate reservation schedules for those periods. If your trip overlaps with a major holiday, I would check the ticket situation well in advance rather than assuming you can buy the train you want on the day.
For a trip with only one or two long-distance train journeys, buying ordinary tickets is usually the simplest approach. Foreign visitors making several rail journeys can also compare the cost of individual tickets with a KORAIL PASS. The pass covers KORAIL-operated trains including KTX but does not cover SRT, so it is worth comparing it with your actual itinerary rather than assuming a rail pass will automatically save money.
KTX is also one of the easiest ways to reach cities outside Seoul. For example, high-speed rail is commonly part of a trip to Gyeongju, which I cover separately in my Gyeongju Travel Guide.
What Boarding a KTX Actually Looks Like
Once you already have a ticket, the process at the station is fairly simple.
Start by checking the electronic departure board for your train number, departure time, and platform. At a large station such as Seoul Station, several trains may be departing within a short period, so I prefer to check the train number and time rather than looking only at the destination.
After going down to the platform, look for the signs showing where each car will stop. If your ticket says Car 5, Seat 8A, waiting near the marked position for Car 5 makes boarding easier.
When the train arrives, enter the correct car and take your assigned seat. There is no need to scan the ticket at the door or routinely present it to a conductor as you board. You should still keep the ticket accessible in case staff need to check it or you need to confirm your car and seat. Once the train leaves the station, the experience is much like any other long-distance rail journey. You stay in your assigned seat, keep track of your destination, and collect your belongings before getting off.
Taking Luggage on KTX
Travelers carrying suitcases usually do not need to make special arrangements for ordinary luggage. KORAIL’s current rules allow each passenger to carry up to two pieces of luggage as long as the passenger can handle them personally and they do not occupy another seat or block the aisle. The details are available in KORAIL’s official carry-on baggage guidance.
Smaller bags can usually go on the overhead racks, while larger suitcases may need to use luggage areas provided in or around the car, depending on the train configuration. On a busy train, space for large suitcases can fill up, so having a little extra time before departure can make boarding less stressful when you are traveling with substantial luggage.
Since July 1, 2026, KORAIL has prohibited lithium-battery-powered personal mobility devices such as electric scooters and e-bikes, as well as portable lithium batteries exceeding 160Wh. Electric wheelchairs and medical mobility scooters are exempt, and ordinary devices such as phones, laptops, and commonly used power banks are not affected by the restriction. KORAIL explains the change in its official lithium-battery safety notice.
For most visitors carrying a suitcase, backpack, phone, and ordinary power bank, luggage is much less complicated than it may initially sound. The main thing is simply to keep your belongings out of seats and aisles and manage them yourself.
From Paper Tickets to Today’s KTX
My memories of older train journeys include paper tickets and visible ticket checks. Today, much of that process has disappeared from the passenger’s view. I still need a valid ticket, but once I check the train number and platform, I can usually walk straight to the train and find my assigned seat without scanning anything at a gate.
For someone taking KTX in Korea for the first time, that is the main thing to know. If you cannot find a ticket gate, you probably have not missed one. Check your train number, platform, car, and seat, keep your ticket accessible, and board.
About the Author 🇰🇷
I live in South Korea and write about the small details of Korean life and culture that I experience and observe firsthand.
English is my second language, so I sometimes use tools such as Gemini and Google Translate to help with translation and editing. The experiences, observations, opinions, and cultural perspectives in my articles are my own, and I personally review and edit every article before publishing it.
My goal with Korea Core Info is simple: to share everyday Korea from a local perspective and help international readers discover things they might not always find in a typical travel guide.
I hope my stories and guides help you understand Korea a little better — not just as a place to visit, but as a place where people live their everyday lives.