Which Train to Choose: KTX or SRT?

When traveling in South Korea, the choice between the KTX (Korea Train Express) and SRT (Super Rapid Train) can be overwhelming. Both provide high-speed services, but each offers different benefits, routes, prices, and experiences. In this post, we’ll compare the key differences to help you decide which one suits your travel needs best. This Korea train comparison will highlight the important factors to consider before making your choice.

Last update: 20.06.2025

Speed and Travel Time

KXT(Korea Train Express)

SRT(Super Rapid Train)

Reaches speeds of up to 305 km/h (190 mph), making it the fastest option for many intercity routes. The travel time from Seoul to Busan is approximately 2 hours and 30 minutes, making it an excellent choice for long-distance travel. The high-speed capabilities of KTX also allow for smoother and quicker arrivals, reducing time spent in transit. Additionally, KTX operates at higher speeds on selected routes, giving passengers a faster travel experience. This can be a key benefit for travelers who need to maximize their time in each destination.

Travels at a top speed of 300 km/h (186 mph), still very fast but slightly slower than KTX. The time difference between SRT and KTX on the same route is minimal, often within a few minutes. While SRT is slightly slower, its efficiency still makes it an attractive option for most travelers. SRT’s lower speed does not compromise its travel time significantly, making it a good choice for passengers who prioritize affordability over slight speed differences. For most passengers, the difference in speed will be imperceptible during the journey.

Routes and Stations Served

KXT(Korea Train Express)

SRT(Super Rapid Train)

KTX connects Seoul, Busan, Gwangju, Daegu, and Ulsan with additional stops at various other cities, including Jeonju and Daejeon. With its extensive network, KTX is the preferred option for those looking to visit multiple cities across South Korea. You’ll find KTX stations at major transport hubs, such as Seoul Station and Busan Station, making it easily accessible from most areas. The wide coverage also allows KTX to serve more travelers across different regions, especially those who plan to travel across South Korea.The option to explore a larger variety of destinations is a significant advantage for tourists.

Primarily connects Seoul (Suseo Station) to Busan, with other limited connections on the Suseo–Gwangju line. SRT is mainly used by travelers who are looking to go directly between Seoul and Busan. While SRT’s coverage is more limited, it does provide a direct. SRT stations, especially Suseo, are well-connected by public transport, though they may be less centrally located compared to KTX stations. For those focusing on one or two major destinations, SRT is a suitable choice. For a comprehensive Korea train comparison, you can evaluate the benefits and drawbacks of each option.

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Tip:
If you’re looking to maximize your time and travel as quickly as possible, KTX is your best bet for routes with the highest speed, especially for longer trips. However, if you're traveling Seoul to Busan, both KTX and SRT offer similar travel times, so you can opt for the more affordable SRT without sacrificing much in speed. For peak periods, booking your ticket early ensures you secure the best seats, as both trains can get busy during holidays and weekends.

Price Comparison

KXT(Korea Train Express)

SRT(Super Rapid Train)

When considering train travel in Korea, understanding the KTX vs SRT comparison is essential. Both high-speed trains are popular, but they have differences in price, speed, and routes.Fares typically start from 50,000 KRW(36.59$) for standard economy tickets. However, depending on the class and route, prices can increase significantly, especially during peak travel periods or for last-minute bookings. KTX tickets are generally more expensive due to its wider route network and faster speeds. Business and first-class options on KTX provide enhanced comfort but come with higher fares. For travelers on a budget, the price of KTX can be a deterrent, especially for longer journeys.

SRT trains provide a slightly more affordable option, with competitive pricing, although the journey might take a bit longer than the KTX. KTX vs SRT: It's all about choosing the right balance between budget and time.Tickets are generally cheaper, starting from around 40,000 KRW(30$). This makes SRT a more budget-friendly option for travelers who are looking to save on their transportation costs. While the savings can be significant for solo travelers or groups, SRT does not skimp on the quality of service. The lower ticket prices are made possible by the limited coverage of SRT and fewer luxury options.

The SRT (Super Rapid Train) operates from Suseo Station in southeastern Seoul, offering a convenient and less crowded option for travelers heading to the south of the country. Unlike the KTX, which serves multiple stations in Seoul, SRT offers a more direct route to Busan and other southern cities. Despite being more affordable than KTX, SRT reaches speeds of up to 300 km/h, ensuring a quick and efficient journey. It provides a modern onboard experience with comfortable seating and amenities. For budget-conscious travelers looking for high-speed travel, SRT is a great option, especially for those heading to southern regions like Busan or Gwangju.

Onboard Comfort and Amenities

KXT(Korea Train Express)

SRT(Super Rapid Train)

Offers more spacious seating with options for economy, first-class, and business. First-class passengers can enjoy larger seats, additional legroom, and more premium amenities. Passengers in KTX’s business class have access to power outlets, Wi-Fi, and enhanced meal options, making it ideal for those seeking a higher level of comfort. The overall onboard experience is tailored for passengers who prioritize comfort and luxury, especially on longer trips. For those who prefer a more relaxed environment, KTX provides ample space and personal comfort.

Ticket Booking and Availability

KXT(Korea Train Express)

SRT(Super Rapid Train)

Tickets can be purchased at Seoul Station, Busan Station, or other major stations, as well as online. You can also book tickets through the official KTX app or various third-party booking platforms. The booking process is user-friendly, allowing you to select your seats and class of service in advance. It’s advisable to book early, especially during busy travel seasons, as KTX trains tend to fill up quickly. With multiple ticket purchase options, booking tickets for KTX is quick and convenient for all passengers.

SRT tickets are available at Suseo Station or online via the SRT website and app. Although SRT is slightly more limited in its station options compared to the KTX, its booking process is still efficient. The SRT app and website allow you to book tickets, select seats, and choose departure times based on availability. SRT tickets are often available even at the last minute, making it a great choice for spontaneous travel. For travelers heading to Busan, SRT provides an easy way to secure tickets at a lower cost compared to KTX.

When buying tickets for KTX or SRT, it's best to book in advance, especially during peak travel times like holidays or weekends, as trains can sell out quickly. You can easily purchase tickets through the official websites for KTX and SRT, which offer English interfaces and international payment options. If you’re planning to travel extensively, consider purchasing a Korea Rail Pass, which offers unlimited travel on KTX and other trains for a fixed period. Arriving at the station 30 minutes before your departure time will give you plenty of time to find your platform and board without rushing. Lastly, during busy periods, be aware that standing tickets may be issued if all seats are sold out, so it’s best to secure your ticket early.

Both KTX and SRT provide excellent high-speed travel options across South Korea, each catering to different travel needs. KTX offers broader route coverage and is ideal for those traveling to various cities, offering a more premium experience with multiple class options. SRT, on the other hand, is a more budget-friendly choice, perfect for travelers focused on the Seoul-Busan route. The decision between the two ultimately depends on your preferences for speed, cost, and station convenience. Regardless of your choice, both trains offer a smooth, comfortable, and efficient way to explore South Korea.