Busan to Seoul High-Speed Train
Taking a train is the fastest and often the cheapest option you can find for Busan to Seoul trip. It is easy to plan the journey and book the tickets, as Korail and KTX trains run from Busan daily (usually 74). The train trip between these Korean cities takes less than 2 hours, carriers offer Economy Class seats and Business Class seats for your convenience. You can buy your train tickets online, or at the train station.
Rail.Ninja is an online ticket booking platform