KTX from Seoul to Busan: Price, Schedule & 2h15m Time

Yes — Korea has a bullet train, and it's the fastest way to travel between its two biggest cities. The KTX (Korea Train Express, KTX 케이티엑스) covers the roughly 325 km between Seoul and Busan in as little as 2 hours 15 minutes on the quickest services, with tickets typically running about ₩59,000-85,000 one way depending on seat class and train type. The same bullet train runs the reverse direction too — Busan to Seoul takes the same time, on the same line, at the same fares. Trains run frequently throughout the day between Seoul Station (occasionally Yongsan or Suseo) and Busan Station, so most travelers only need to book a day or two ahead — except around major holidays. Below is the full breakdown: schedule, prices, seat classes, KTX vs SRT, rail passes, booking steps, and how to navigate both stations.

At a glance — KTX from Seoul to Busan:

(Fares and times shift with periodic Korail/SRT updates — treat the table as a planning guide and confirm the exact numbers for your travel date on the official booking site before you pay.)

KTX from Seoul to Busan: Is There a Bullet Train? (Yes)

The KTX is Korea's answer to Japan's Shinkansen or Europe's TGV: a dedicated high-speed rail service, not a regular commuter or intercity train. It's the fastest and most reliable way to cover the Seoul-Busan corridor, in either direction — this is the "bullet train" people mean when they ask about getting from Seoul to Busan or Busan to Seoul. The fastest direct (or near-direct) trains take about 2 hours 15 minutes; standard KTX services take around 2 hours 30 minutes to 2 hours 45 minutes depending on how many intermediate stops they make (Daejeon 대전, Dongdaegu 동대구, and others).

The trains themselves come in a couple of generations — older KTX-I sets and the newer, slightly more spacious KTX-Sancheon — both running mixed-in on this route. You can't always choose the train type when booking, but it doesn't meaningfully affect price or journey time on this line, so it's not worth planning around.

A second operator, SRT (Super Rapid Train), runs equivalent high-speed bullet trains on much of the same track between Suseo Station in southeast Seoul and Busan, at comparable speeds and fares — booked through a separate SRT app/website rather than Korail. For most visitors staying centrally, KTX from Seoul Station is simpler, but SRT is worth knowing about if you're based near Gangnam or Suseo.

Compared to flying, there's no airport transfer time, no security lines, and stations sit in the middle of both cities. Compared to intercity buses, the bullet train is faster and more comfortable, though somewhat pricier. For most travelers doing a Seoul-Busan trip, the KTX is the default choice — it's the reason so many visitors specifically search for "the bullet train" when planning this route.

KTX vs SRT: What's the Difference on the Seoul-Busan Route?

Quick answer: KTX and SRT are two separate companies running near-identical bullet trains on much of the same track, at similar speeds and similar fares. The real difference is where you catch the train in Seoul and which app or website you book through — the tickets are not interchangeable between the two systems.

The key trap for visitors: a KTX ticket will not scan at SRT-only gates at Suseo, and an SRT ticket won't scan at Korail-only gates at Seoul Station — double check which operator and station your booking confirmation actually lists before travel day.

Seoul Departure Stations: Seoul Station, Yongsan, and Suseo (SRT)

Most KTX trains to Busan leave from Seoul Station (서울역), connected to subway Line 1 and Line 4. A smaller number of services depart from Yongsan Station (용산역) or Suseo Station (수서역) — Suseo trains are technically SRT (a separate but similar high-speed operator using the same tracks and comparable pricing), so double-check which station your ticket lists before travel day, since Seoul Station and Suseo Station are not close to each other.

Journey times:

• Nonstop or near-nonstop KTX: about 2 hours 15 minutes
• Standard KTX with several stops: about 2 hours 30 minutes to 2 hours 45 minutes

If you're arriving in Korea via air first, see our guide on getting from Incheon Airport to Seoul before connecting onward to Busan.

Busan Train Station (부산역): Korea's KTX Terminal in Busan

There is no separate "Busan bullet train station" or "Busan KTX station" — every KTX and SRT service on this route arrives at and departs from the same place: Busan Station (부산역), on the north edge of downtown Busan. It's the name to look for regardless of which train operator or seat class you book, and it's the same station whether you're asking about "busan train," "busan train ktx," or "busan train station ktx" — they all point to Busan Station.

Busan Station sits directly on Busan Subway Line 1, with an underground passage connecting the concourse to the platforms, so you don't need a taxi just to reach the subway. It's a short taxi ride from Busan's main areas like Nampo-dong and Seomyeon, and roughly 20-40 minutes by taxi or subway transfer from the beach areas (Haeundae, Gwangalli), depending on traffic and time of day.

If you're catching the bullet train back to Seoul (or on to Suseo via SRT) from Busan, departure boards at Busan Station list train number, time, and platform in Korean and English — it's worth arriving 15-20 minutes early since the station gets busy around peak departures.

Major Stops Along the Seoul-Busan KTX Line

Not every KTX stops at every station on this list — the fastest trains skip most of them, while standard services call at several, which is why journey times range from 2h15m to 2h45m. Treat the times below as indicative only; always check the specific stops listed for your booked train:

This is also useful if you're combining the trip with a stopover — Daejeon, Dongdaegu, and Gyeongju are all reachable on the same KTX line without backtracking.

Bullet Train Schedule: First Train, Last Train, and How Often Trains Run (Both Directions)

This is one of the most frequently traveled rail corridors in the country, and services run close to continuously through the day in both directions — Seoul to Busan and Busan to Seoul. As a general pattern (always confirm exact times for your travel date on the Korail site or app, since schedules are adjusted periodically and this is not a fixed timetable):

• First departures in both directions typically start in the early morning, generally around 5:30-6:00 AM.
• Last departures typically run into the evening, generally up to somewhere around 9:30-11:00 PM, with the very last train sometimes later on peak travel days.
• Frequency is high — trains run roughly every 15-30 minutes during daytime hours on this corridor, counting both KTX and KTX-Sancheon services. Korail and SRT combined run a very large number of high-speed departures a day across the wider Seoul-Busan line (including trains that start or terminate at intermediate cities), so if one departure is full, another is usually within a short wait.
• Frequency thins out somewhat in the early morning and late night, and on the very first or last trains of the day non-reserved seating may be more limited.

Because there's no single fixed schedule that stays valid year-round (holiday periods add extra services, and off-peak hours run less often), the reliable way to check the exact departure you want — for a specific Seoul-to-Busan bullet train schedule or the return trip — is the Korail Talk app or website (or the SRT app for Suseo departures), where you can search by date and see every train with live seat availability.

Can You Do Seoul to Busan as a Day Trip?

With first departures around 5:30-6:00 AM and last departures up to around 9:30-11:00 PM, and a fastest journey of about 2h15m each way, a same-day round trip is realistic on paper — you could reach Busan by mid-morning and still have a late train back. In practice, most visitors find a single day leaves only a few real hours in Busan once you account for getting to and from Busan Station on both ends, so a one-night stay is more comfortable if your schedule allows it. If you do go for a day trip, book both legs in advance rather than assuming you'll get a same-day seat back, especially on weekends.

KTX Prices and Seat Classes

Prices vary by train type, seat class, and how far ahead you book, and Korail periodically revises fares. Based on recent standard pricing, expect approximate one-way prices in this range for economy class — treat these as a planning estimate only and confirm the exact fare for your date on the official Korail (or SRT) site before paying:

Children, seniors, and Korail membership holders may get discounts. Non-reserved standing tickets are cheaper but only available on select trains and offer no guaranteed seat — avoid these during peak hours or holidays.

Round-trip pricing is simply double the one-way fare; there's no significant discount for buying return tickets together. Prices are the same whether you're booking Seoul to Busan or Busan to Seoul — this is a single fare table for the whole corridor, not a one-way premium.

If your budget is tighter than your schedule, regular (non-high-speed) trains like the Mugunghwa-ho or ITX-Saemaeul also run Seoul-Busan, taking roughly 4 hours 45 minutes to 5 hours 30 minutes for meaningfully less money — a reasonable trade if saving cash matters more than saving time.

Is There a Rail Pass for the KTX? (Korail Pass / KR Pass)

Quick answer: Yes — Korail sells a foreigner-only rail pass (sometimes called the Korail Pass or KR Pass) covering multiple days of high-speed and regular train travel, purchasable only with a non-Korean passport. It's worth checking, but for a single Seoul-Busan round trip it's often not cheaper than just buying two ordinary one-way tickets — passes tend to pay off when you're covering several long-distance legs.

A few practical points, current as of general policy (confirm exact prices, pass durations, and terms on the official Korail site before buying, since these details change):

• Typically sold as consecutive-day passes (e.g., a few days in a row) or flexible passes (a set number of travel days within a longer window).
• Seat reservations are still required on KTX even with a pass — a pass guarantees discounted/covered fare, not a guaranteed seat, so book specific trains as early as you can once your itinerary is set.
• Usually purchased online in advance (often cheaper than buying after arrival) or occasionally at designated station counters.
• Makes the most sense for multi-city rail trips — for example Seoul-Busan-Gyeongju-Seoul, or Seoul-Busan plus side trips — rather than a simple round-trip to Busan and back.

If your whole Korea trip is just Seoul and Busan, run the math on individual one-way KTX fares first; a pass usually only wins once you're stacking three or more long-distance legs into one trip.

How to Book KTX Tickets

You have three main options:

1. Korail official website or app (Korail Talk) — cheapest, no markup, available in English. Requires creating an account; foreign card acceptance can be inconsistent, so have a backup card ready.
2. Third-party booking platforms — apps aimed at foreign tourists often layer on a small service fee but have smoother English interfaces and more reliable card processing.
3. At the station — ticket machines have an English option, and staffed counters exist, but this risks sold-out trains during busy periods (weekends, holidays, festival dates).

Step-by-Step: Booking on Korail Talk

1. Download the Korail Talk app (or use the Korail website) and switch the language to English.
2. Create an account — a foreign passport number typically works as ID for registration.
3. Search your route: set departure station (Seoul, Yongsan, or Busan) and destination, plus your travel date.
4. Choose your train from the results list — note the departure time, journey length, and how many stops it makes.
5. Select seat class (standard/economy vs. first class) and confirm seat assignment if available.
6. Pay by card — have a backup card ready in case your primary one is declined.
7. Save the e-ticket/QR code on your phone, or note the car and seat number shown (e.g., "5호차 12A" = car 5, seat 12A) in case you need to show it at a gate.

Book at least a few days ahead for weekday travel, and a week or more ahead for Fridays, Sundays, and any Korean public holiday — trains sell out fast around Seollal and Chuseok, when non-reserved standing tickets can become the only option left.

Screens above each platform door show which car will stop where, so you can line up in advance.

Navigating Seoul Station and Busan Station on Travel Day

Seoul Station is large and can be confusing. KTX departure gates are separate from the general subway concourse — follow signs for "KTX" and allow at least 20-30 minutes buffer, especially if this is your first time or you're carrying luggage. Ticket gates require scanning your ticket or QR code; automated gates read printed tickets and most mobile bookings.

Busan Station, on arrival, connects directly to Busan Subway Line 1 via an underground passage from the main concourse. Taxis queue outside the main exit; Nampo-dong and the beach areas (Haeundae, Gwangalli) are a taxi ride or subway transfer away, generally 20-40 minutes depending on traffic and destination. If you're catching a KTX back to Seoul from Busan, the same "KTX" signage system applies in reverse — departure boards list train number, time, and platform, and it's worth arriving 15-20 minutes early since the station gets busy around peak departures.

If you plan to keep using trains and subways in both cities, load a T-money card before you go — see the T-money card guide for where to buy and top up.

KTX vs Bus vs Flying vs Regular Train: Quick Comparison

For most itineraries, the extra cost of the KTX over the bus is worth it purely in saved time — especially if you're doing Busan as a day trip or a short overnight stop within a longer 7-day South Korea itinerary.

Practical Tips for Riding the KTX

• Trains have overhead luggage racks and larger racks between some cars — big suitcases can be awkward, so arrive early to stow bags before departure.
• There's no strictly enforced weight limit for carry-on luggage on KTX, but oversized bags that block aisles or racks may need to go in the between-car storage areas or the space near the doors rather than overhead.
• Food carts have mostly disappeared on most routes; buy snacks or a lunch box (도시락) at the station before boarding.
• Power outlets exist at most seats, but bring a portable charger as backup.
• Announcements are in Korean and English, and seat-back or overhead signage shows the next stop.
• Non-reserved cars (if your ticket says so) mean any open seat in that car is fair game — reserved cars are strictly assigned.
• If your plans are flexible, mid-morning and early afternoon departures tend to have more seat availability than early-morning or Friday/Sunday evening trains.
• Double-check whether your ticket says Seoul Station, Yongsan Station, or Suseo Station — they are in different parts of the city and not interchangeable on travel day.
• Watch out for trains that stop at more intermediate stations than you expect — a "KTX" ticket doesn't guarantee the fastest 2h15m service, so check the listed journey time before booking if speed matters most.
• If you booked through SRT (Suseo departure), your ticket won't scan at Korail-only Seoul Station gates and vice versa — the two systems are separate, so don't mix up which app or confirmation email you're using.
• Small pets in an enclosed carrier are generally permitted on board per Korail policy, but confirm current rules and any size limits on the official site before traveling with an animal.

FAQs

Is there a bullet train from Seoul to Busan? Yes. The KTX is Korea's high-speed "bullet train," running between Seoul and Busan in as little as 2 hours 15 minutes on the fastest services, with most standard trains taking around 2 hours 30 minutes to 2 hours 45 minutes.

Is there a bullet train from Busan to Seoul as well? Yes — the KTX (and SRT) run both directions on the same line, at the same speeds and fares. A bullet train from Busan to Seoul takes the same roughly 2 hours 15 minutes to 2 hours 45 minutes as the Seoul-to-Busan direction, departing from Busan Station and arriving at Seoul Station, Yongsan, or Suseo depending on the specific train.

How long does the KTX take from Seoul to Busan? The fastest KTX trains take about 2 hours 15 minutes. Most standard services with a few intermediate stops take around 2 hours 30 minutes to 2 hours 45 minutes. Total travel time depends on how many stations the specific train serves.

How many kilometers is it from Seoul to Busan by train? The Gyeongbu high-speed line between Seoul and Busan covers roughly 325 km, which the fastest KTX trains complete in about 2 hours 15 minutes.

How much does a KTX ticket from Seoul to Busan cost? Standard economy seats typically run roughly ₩59,000-62,000 one way, while first class is typically around ₩82,000-85,000. Prices can shift by train type, season, and fare updates, so always check the official Korail site for the exact fare on your travel date rather than relying on a fixed number.

How often do trains run, and what time do the first and last KTX depart? KTX and SRT trains run this corridor roughly every 15-30 minutes for much of the day, in both directions, with first departures generally around 5:30-6:00 AM and last departures generally up to around 9:30-11:00 PM — exact times vary by day and season, so confirm on the Korail app or site before planning around a specific train.

Can you do Seoul to Busan and back in one day by KTX? It's technically possible — with first trains around 5:30-6:00 AM and last trains up to around 9:30-11:00 PM, and a fastest one-way trip of about 2h15m, the schedule allows for a day trip. Most travelers find it leaves limited time in Busan itself, though, so a one-night stay is more comfortable if your itinerary allows it.

What is Busan's train station called, and is there more than one for KTX? Busan Station (부산역) is the only KTX/SRT terminal in Busan — there is no separate "bullet train station" elsewhere in the city. It sits on Busan Subway Line 1 and handles all high-speed arrivals and departures, regardless of whether you're on Korail's KTX or the separate SRT operator.

What's the difference between KTX and SRT for this route? Both run comparable bullet trains between Seoul and Busan on much of the same track at similar speeds and fares. The practical difference is the Seoul departure point — KTX mainly uses Seoul Station (some Yongsan), while SRT departs only from Suseo Station — and each is booked through its own separate app, with tickets that aren't interchangeable between the two systems.

Is there a rail pass that covers KTX between Seoul and Busan? Yes, Korail offers a foreigner-only rail pass (often called the Korail Pass or KR Pass) covering several days of train travel, but check current pricing and terms on the official Korail site — for a single Seoul-Busan round trip it's often no cheaper than buying two one-way tickets, and it pays off mainly on multi-city itineraries.

Do I need to book KTX tickets in advance? For weekday travel, a few days ahead is usually enough. For weekends, holidays, and especially Seollal or Chuseok, book a week or more in advance since trains sell out quickly and non-reserved standing tickets are the only fallback.

Which station do KTX trains to Busan leave from in Seoul, and which station do they arrive at in Busan? Most KTX trains depart from Seoul Station, with some services from Yongsan Station. Trains from Suseo Station are operated by SRT, a separate high-speed operator, so confirm your departure station carefully when booking. All high-speed trains — KTX and SRT alike — arrive at Busan Station, which connects directly to Busan Subway Line 1.