Plan your Korea trip by KTX and Korail Pass — booking guides for foreigners, city-by-city station guides, rail itineraries, and travel essentials like eSIM.https://koreabytrain.com/enhttps://koreabytrain.com/posts/suwon-day-trip-from-seoul/https://koreabytrain.com/posts/suwon-day-trip-from-seoul/The easiest day trip from Seoul — Suwon and its UNESCO Hwaseong Fortress, 30 minutes away by train. How to get there, walking the walls, the palace, what to eat, and a half-day plan.Fri, 19 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/gwangalli-beach-busan/https://koreabytrain.com/posts/gwangalli-beach-busan/Busan's best night out: Gwangalli Beach, the illuminated Gwangan (Diamond) Bridge, and a free 600-drone show every Saturday. How to get there by subway, what to do, and when to go.Tue, 16 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/haeundae-blue-line-park/https://koreabytrain.com/posts/haeundae-blue-line-park/Ride Busan’s seaside Beach Train and pastel Sky Capsule along the Haeundae coast — the route, ticket prices, how to get there from Seoul by KTX, and which ride to pick.Mon, 15 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/gangneung-by-ktx/https://koreabytrain.com/posts/gangneung-by-ktx/Seoul to Gangneung by KTX in under 2 hours for ₩27,600. Trains, fares, how to reach Gyeongpo Beach and Anmok coffee street, a full day-trip plan, and what to eat.Mon, 15 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/esim-for-korea-guide/https://koreabytrain.com/posts/esim-for-korea-guide/Land in Korea already online: the 60-second eSIM compatibility check, real 2026 prices (plans from about US$4), setup steps, and the honest fine print.Fri, 12 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/how-to-book-ktx-foreign-credit-card/https://koreabytrain.com/posts/how-to-book-ktx-foreign-credit-card/Your foreign card fails silently on the Korail app — no error, no charge, no ticket. Here are the five booking methods that actually work in 2026, ranked by reliability.Fri, 12 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/best-day-trips-from-seoul-by-train/https://koreabytrain.com/posts/best-day-trips-from-seoul-by-train/Five day trips from Seoul by train — Gyeongju, Gangneung, Jeonju, Suwon, Nami Island. 2026 fares from ₩2,700, journey times, and a one-day plan for each.Fri, 12 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/korail-pass-worth-it/https://koreabytrain.com/posts/korail-pass-worth-it/Korail Pass or just buy KTX tickets? Honest 2026 math: one round trip says no, a multi-city loop says yes. Real fares, a break-even cheat sheet, no upsell.Fri, 12 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/seoul-to-busan-ktx-guide/https://koreabytrain.com/posts/seoul-to-busan-ktx-guide/How to ride the KTX from Seoul to Busan: 2026 fares (from ₩59,800), journey times, where to board, seat and luggage tips, and the booking methods that actually work for foreign cards.Mon, 15 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/ultimate-korea-train-travel-guide/https://koreabytrain.com/posts/ultimate-korea-train-travel-guide/Korea's trains put Busan, Gyeongju, Jeonju and Gangneung within ~3 hours of Seoul. The full system — fares, Korail Pass, foreign-card booking — in one guide.Fri, 12 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/how-to-buy-ktx-tickets/https://koreabytrain.com/posts/how-to-buy-ktx-tickets/Five reliable ways to buy KTX tickets as a foreign visitor in 2026 — the KorailTalk app, the Korail global site, station counters, third-party resellers, and the Korail Pass — with the pros and cons of each.Sat, 06 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/how-to-use-korail-pass/https://koreabytrain.com/posts/how-to-use-korail-pass/A clear step-by-step guide to using the Korail Pass in 2026 — how to buy and redeem the voucher, activate it, reserve seats with KorailTalk or at a counter, board, and exactly what it covers (KTX/ITX yes, SRT and subway no).Sat, 06 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/7-day-korea-itinerary/https://koreabytrain.com/posts/7-day-korea-itinerary/A complete 7-day Korea itinerary by KTX — Seoul, Busan, Gyeongju, and Jeonju — with day-by-day plans, train connections, and exactly where the Korail Pass saves you money.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/5-day-korea-rail-itinerary/https://koreabytrain.com/posts/5-day-korea-rail-itinerary/A practical 5-day Korea itinerary by train — Seoul, Busan, and a Gyeongju side trip — with KTX connections, what to see each day, and where the Korail Pass pays off.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/do-you-need-data-in-korea/https://koreabytrain.com/posts/do-you-need-data-in-korea/Can you get by on Wi-Fi in Korea, or do you need mobile data? What a foreign visitor actually needs — and the easiest way to arrive connected.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/gyeongju-day-trip-from-seoul/https://koreabytrain.com/posts/gyeongju-day-trip-from-seoul/How to visit Gyeongju — Korea’s ancient Silla capital — as a day trip from Seoul by KTX. Train times, what to see (Bulguksa, royal tombs, Cheomseongdae), and how to get around.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/jeonju-hanok-village-guide/https://koreabytrain.com/posts/jeonju-hanok-village-guide/Visit Jeonju by KTX from Seoul — Korea’s food capital and home to its largest hanok village. Train times, what to eat (bibimbap, makgeolli), and the must-see spots.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/korea-travel-budget/https://koreabytrain.com/posts/korea-travel-budget/A realistic Korea travel budget for one week — accommodation, train transport, food, data, and activities — with money-saving tips for getting around by rail.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/ktx-vs-srt/https://koreabytrain.com/posts/ktx-vs-srt/KTX and SRT are both high-speed trains in Korea — here is the difference, which is more convenient for tourists, and how the Korail Pass fits in.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/korailtalk-app-not-working/https://koreabytrain.com/posts/korailtalk-app-not-working/KorailTalk crashing, payment failing, or stuck in Korean? Here are the common KorailTalk problems foreign visitors hit — and how to fix each one.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/things-to-do-near-busan-station/https://koreabytrain.com/posts/things-to-do-near-busan-station/Arriving in Busan by KTX? Here are the best things to do within easy reach of Busan Station, from Gamcheon Culture Village to fresh seafood at Jagalchi Market.Thu, 04 Jun 2026 00:00:00 GMThttps://koreabytrain.com/posts/things-to-do-near-seoul-station/https://koreabytrain.com/posts/things-to-do-near-seoul-station/Got time around Seoul Station before your KTX? 12 things to do nearby — Seoullo 7017, Namdaemun Market, Myeongdong, Namsan, palaces, and museums.Thu, 04 Jun 2026 00:00:00 GMT