Busan Travel Guide 2026: Getting There, Getting Around & Top Sights Planning a trip to Busan in 2026? Korea's second city pairs city beaches, seafood markets, a rainbow hillside village and seaside temples — all within a cheap subway ride. This first-timer's guide covers how to get there from Seoul, how to get around, what to see, and roughly what it costs. Why visit Busan? Busan (부산) sits on Korea's southeast coast and is the country's largest port city. Compared with Seoul it feels more relaxed and more outdoorsy: you can go from a sandy beach to a mountain temple to a buzzing fish market in a single day. It's an easy 2.5-hour train ride from Seoul, which makes it the most popular add-on to a Seoul trip. How to get from Seoul to Busan The fastest and most popular option is the high-speed train. You have two operators on almost the same route: KTX (run by KORAIL) and SRT . Both leave from Seoul; SRT departs from Sus...