Chuseok 2026 KTX Booking: When Korea's Train Tickets Go on Sale
If any part of your Korea trip touches September 23 through 27, book your KTX seat before this weekend. Chuseok, the country's biggest holiday, falls on September 25 this year, and Korail's own reservation notice puts the general booking window at September 7 through the 11th. As of this posting on September 4, that's three days out. Miss it, and you're not looking at a higher fare. You're looking at no seat at all.
Korea's Busiest Travel Week
Chuseok is the harvest holiday, Korea's version of Thanksgiving, and it's the one week a year when a huge share of the country gets on a train or a highway at the same time to see family. This year the government-mandated holiday runs Thursday the 24th through Saturday the 26th, and since the 26th slides straight into Sunday the 27th, most people get four days off in a row. There's no Monday makeup holiday this time, since that only kicks in when one of the official days falls on a Sunday, and none of them does.
None of that touches you directly if you're a tourist. What matters is that every KTX, SRT, and highway in the country fills up for those same four days, whether the traveler is Korean or foreign.
The Booking Window You Can't Miss
Korail doesn't sell holiday tickets the normal way, where seats trickle out roughly a month ahead on a rolling basis. For Chuseok it runs one short, high-stakes reservation period for all trains operating September 23 through 27, and once it closes, whatever's left gets absorbed back into ordinary booking.
| Phase | Dates | Window (KST) | Who |
|---|---|---|---|
| Priority booking | Sept 3–4 | 9 a.m.–3 p.m. | Seniors 65+, registered disabled travelers, pregnant passengers, veterans |
| General booking | Sept 7–11 | 7 a.m.–1 p.m. | Everyone else, split by route and train type each day |
| Payment deadline | by Sept 15 | midnight | Unpaid reservations get released automatically |
| Leftovers go on sale | Sept 11, 3 p.m. onward | ongoing | Normal first-come booking resumes |
Priority booking already happened by the time most foreign travelers hear about any of this. The general window that matters is September 7 through 11, 7 a.m. to 1 p.m. each day, Korea time.
Converted to US Eastern time, that's the evening of the 6th into early morning of the 10th.
Reservations open by line and train type across those five days instead of all at once, so the Korail app and the English booking site (korail.com, formerly letskorail.com, folded into the same site last year) show which specific date applies to each route.
If your trip doesn't overlap September 23–27 at all, none of this affects your travel days. It only matters when moving between cities during that window.
Fixed Prices, Just No Seats
Korail doesn't do surge pricing, unlike US holiday travel. A Seoul–Busan KTX seat runs around 54,400 won one-way as of this September — that's after the KTX/SRT fare integration on September 1 cut it from the previous 59,800 won — whether it's booked in July or the morning of the 24th. Korail's fares are government-set. They don't move with demand the way a Thanksgiving plane ticket does.
The scarcity is entirely about availability, not cost, and that changes the strategy completely. There's no "wait for prices to drop" play here. Every seat that exists gets snapped up in the first few hours of the general window, largely by Koreans booking their own family trips home, and a ticket that's gone at 8 a.m. on the 7th isn't coming back cheaper later.
If you miss the window entirely, don't give up. Unsold seats go back on general sale from 3 p.m. on September 11, cancellations trickle in as the payment deadline hits on the 15th, and a real batch tends to reappear two to three days before departure, since people who cancel that late still eat a penalty fee and often wait until the last possible moment to do it. Standing tickets (입석) are also an option once seated tickets vanish. They're not glamorous for a two-and-a-half-hour ride, but Korail typically releases more of them once regular seats are gone, and they run noticeably cheaper than a seat. I couldn't pin down one consistent discount percentage across routes, so treat "meaningfully less" as accurate but not exact.
Booking From Outside Korea
The Korail app itself is a rough experience if you're paying with a foreign card. It routes payments through a domestic gateway that frequently rejects international cards at the verification step, with no useful error message included. Korail's English-language site at korail.com handles this better: book with just a passport number and an overseas credit card, no Korean phone number or membership required. People still trip up there in two ways. Turn on 3D Secure with your card issuer before you try. And type your name exactly as it's embossed on the card, no shortened first names, no missing middle initials. A station ticket counter is the fallback if the site won't cooperate, and it takes foreign cards and cash without any of the online friction.
What Closes for Three Days
Banks, government offices, and post offices shut for the full holiday stretch, and plenty of small, family-run restaurants close too since Chuseok is when the owners go see their own relatives. That surprises most visitors. You can plan around a closed palace ticket office. A closed neighborhood spot you were counting on for dinner is a different kind of inconvenience.
Most of what a tourist needs stays open. The subway runs on a normal or near-normal schedule, convenience stores and department stores operate as usual, and the major palaces and tourist sites stay open, often with extra traditional programming for the holiday itself. Gyeongbokgung has one more thing worth flagging regardless of dates. Anyone wearing the complete traditional hanbok outfit, top and bottom, gets in free year-round, no reservation needed, tourist or local.
Everything else on a Seoul itinerary sorts itself out once you land. The one thing worth losing sleep over ahead of time is this week's KTX window, if your dates land inside September 23–27.
This is a running news series, not a one-off post — new stories go up twice a day, roughly 7am and 7pm Korea time.
You might also like: What Koreans Eat on Chuseok: Songpyeon, Jeon, the Flour Mistake (Korean Table)
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