Seoul to Busan Itinerary onn Day 5, you'll leave Seoul behind and head south to Busan. The KTX gets you there in just 2.5 hours, so even if you catch a morning train, you'll have the whole afternoon to explore.…
KORAIL PASS
KORAIL PASS Guide: One Pass for Your Seoul-Busan-Gyeongju Trip
If Europe has the Eurail Pass, Korea has the KORAIL PASS. Seoul to Busan takes just 2.5 hours by KTX, and Busan to Gyeongju is only 1.5 hours—all covered under one pass that lets you ride freely. What is the…