Seoul to Busan: KTX vs Flight vs Bus (2026 Guide)
Last Updated: October 2026 Quick answer: For most travelers, the best way to get from Seoul to Busan is the KTX high-speed train: roughly 2.5 hours station to station, departures several times an hour, and a standard-class fare of about ₩59,800 one way. Flying Gimpo to Gimhae takes under an hour in the air but
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