Seodaegu → Osong KTX Timetable
Seodaegu StationOsong StationOsong→Seodaegu (reverse)
13 KTX trains run from Seodaegu to Osong. The first leaves at 06:40 and the last at 23:24; the fastest takes 59m.
When the arrival station is an intermediate stop the time shown is a departure time, so it can be 1–2 minutes later than the actual arrival.
13 trains
| From | Arrive | Duration | Train | Days |
|---|---|---|---|---|
| 06:40 | 07:46 | 1h 6m | 140 KTX | Daily |
| 06:47 | 07:53 | 1h 6m | 306 KTX | Daily |
| 07:24 | 08:23 | 59m | 144 KTX | FriSatSun |
| 08:09 | 09:15 | 1h 6m | 312 KTX-Sancheon | MonTueWedThu |
| 08:09 | 09:15 | 1h 6m | 4012 KTX | FriSatSun |
| 09:29 | 10:29 | 1h | 104 KTX | Daily |
| 16:56 | 17:56 | 1h | 216 KTX-Sancheon | Daily |
| 16:56 | 17:56 | 1h | 272 KTX-Sancheon | Daily |
| 21:19 | 22:19 | 1h | 226 KTX-Sancheon | Daily |
| 22:00 | 22:59 | 59m | 114 KTX | Daily |
| 23:24 | 00:24 | 1h | 366 KTX-Sancheon | Daily |
| 23:24 | 00:24 | 1h | 380 KTX-Sancheon | FriSatSun |
| 23:24 | 00:24 | 1h | 390 KTX-Sancheon | MonTueWedThu |