If you plan to also return to Seoul by KTX, getting a rail pass will work out for being less costly. Amazingly, domestic flights from Seoul?�s Gimpo airport to Busan will often be even much less expensive than the KTX, but You need to factor in the time and money https://edwinbu356.articlesblogger.com/53457038/facts-about-east-busan-haeundae-더해운대룸-beach-revealed