How to Book KTX Tickets as a Foreigner

Booking direct puts one company between you and the seat, one set of terms instead of two. One traveler warns off third parties, saying Klook has a history of failing to deliver holiday tickets — their account, unverified by us.

“Never book ktx through 3rd party. Klook has a history of failing to deliver ktx tickets during holidays.” (as written)

r/koreatravel · view thread →

Booking from abroad holds up:

“I booked on korail yesterday (from Canada) with zero issues. It was really easy. I did it on a laptop, not an app.” (as written)

r/koreatravel · view thread →

The flow on korail.com/global (korail.com/global):

1. Create an account. An email address and your name in English.
2. Search the route. City to city with a date, say Seoul Station to Busan Station.
3. Pick the train, then the seat. A "Reserve Seat" button lets you choose seats rather than be assigned one.
4. Pay by card. Overseas-issued credit cards are accepted, in Korail's own December 2023 announcement.
5. Open the ticket in your Korail account when you board. Korail's stations have no ticket gates: every automatic gate came out in 2009 and checks moved onto the trains, so a conductor may check on board instead. (The subway underneath is a different system.) The one written screenshot rule we found is Korail's for the KORAIL Pass, a rail pass sold only to international travelers; whether it covers a single global-site ticket is unverified. Keep your train, car and seat offline too, since the account needs a connection.

Those steps come from Korea Tourism Organization's official train guide and Korail's announcements; Korail's own pages run on scripts we can't read from outside, hence the unverified marks here.

Korail also merges with SR in September 2026. SR runs the SRT, a second high-speed service to Busan and Mokpo, sold on its own site and leaving from Suseo Station rather than Seoul Station. Korea's Fair Trade Commission cleared the merger on August 2, 2026 (korea.kr); ministry notices since then cover domestic rail membership only, so what changes for a global-site account is unverified. Trust the screens over any older walkthrough, this page included.

Korail sells from one month before departure, at 07:00 Korean time, until 20 minutes before the train leaves. The official wording is "one month prior", without saying whether that means the same date the month before or a rolling 30 days, so start checking a few days early. The window runs off each departure date: outbound and return legs open on two different mornings. 07:00 in Seoul is 22:00 UTC the day before — early-to-mid afternoon on the US West Coast, late afternoon or early evening on the East Coast.

Inside the window, trains sell out. That's the 32 threads.

“Tip: make sure to book your KTX train 4-5 days in advance, especially towards the weekend. They tend to be sold out quickly.” (as written)

r/koreatravel · view thread →

If your dates touch a public holiday, book the day your window opens. Still ahead in 2026: Chuseok, the harvest holiday (September 24-26), National Foundation Day (October 3, observed Monday October 5), Hangeul Day (October 9), and Christmas Day (December 25).

Changing or cancelling. 25 of the 483 threads raise a refund or a cancellation. The only fee schedule we could read is a reseller's: Klook charges 400 won per ticket up to two days out, rising to 20% of the fare inside three hours. Korail's own refund pages didn't load for us, even on an August 2026 re-check. Read Korail's refund terms on the payment screen before you commit.

23 of the 483 threads bring up a payment card. Some go through, others are refused, and nobody names which networks work: not Korail's statement, not the threads. On card type there's one report: a virtual card (Revolut) refused in 2025 where the traveler's main-bank physical card went through. Another traveler in that thread, on Trip.com:

“We used it recently in March to book 2 trips for April. They charge a booking fee, but I could not get Korail to accept my foreign card.” (as written)

r/koreatravel · view thread →

If Korail declines your card:

1. Another card, if you carry one. A physical one from your bank, going by the report above.
2. A reseller. Klook, which sells Korail tickets, or Trip.com — same trains, sold by a middleman. Klook lists no booking fee; the traveler above was charged one by Trip.com, amount unstated. Read the total before you pay, and weigh the holiday delivery complaint above. Porta takes nothing from either seller and links to neither.
3. The station counter. Ticket offices and kiosks sell in person, with no same-day limit in the official guide listing them. Whether they take a foreign card is unverified. Carry cash.

Seoul Station to Busan Station takes 2 hours 23 minutes by Korail's count, at 59,800 won one-way in standard class, with trains throughout the day. That fare is Klook's listing; Korail's own fare page wouldn't load for us, so whether booking direct matches it is unconfirmed. Check the total on your payment screen. Seoul Station sits on subway Lines 1 and 4 and the AREX airport line.