Seoul to Cheongju (Osong) Trains

About Rail.Ninja Rail Ninja is a reservation service for booking train tickets online. Rail.Ninja is not a rail carrier - it does not own or operate any trains. The Rail Ninja website is not the official website of the Korean railway company. It is a commercial business that makes it easier for you to book Korean train tickets online. About Korea TrainsIf you have a trip from Seoul to Cheongju in mind, taking a train is always a great idea, as a high-speed train can cover the distance between the cities in a matter of just 1 hour! Apart from being one of the fastest means to travel, a train ride is also among the most comfortable ones. All trains serving the Seoul to Cheongju railway route are modern, safe, and well-equipped. The passengers are welcome to take advantage of cushy seats, generous legroom, and more than enough space for the luggage during the journey. What is more, the trains boast impeccable punctuality and a broad schedule with up to 43 daily departures, making planing a railway trip from Seoul to Cheongju as easy as ABC.