Cheongju to Seosan bus timetable
Buses from Cheongju to Seosan run 6 times a day across 2 terminal pairs. First bus 07:00, last bus 16:55, fares from 19,100 KRW, fastest trip 110 min. As of 2026-11-05
- 0700Dlx15Dlx
- 08none
- 09none
- 1055Dlx
- 1110Dlx
- 12none
- 13none
- 14none
- 15none
- 1640Dlx55Dlx
Terminal names are shown in Korean because that is how they appear on tickets, signs and booking sites. Fares are adult one-way. Express buses (고속버스) are booked on KOBUS, intercity buses (시외버스) on T-money or Bustago.
Paying with a foreign card
Checked 2026-10-21. Rules change, so confirm on the payment screen.
Express buses (고속버스)
- KOBUS: Choose the overseas card tab (해외카드) at checkout. It takes Visa, Mastercard and JCB issued abroad and asks for your date of birth (YYMMDD).
- Klook: Sells express bus tickets in English with international cards. Routes and dates are limited, so a search may come back empty.
- Go Hanpass: App in many languages, sign-up with passport and email. You top up a won wallet with a foreign card, then pay from it. Lists express and intercity buses.
- Ticket counter at the terminal: A July 2024 government announcement described foreign cards as already accepted at express bus counters. Busy departures can sell out.
All departures
| Departs | Terminals (Korean names) | Type · class | Arrives | Fare (KRW) | Duration |
|---|---|---|---|---|---|
| 07:00 | 청주공항 → 서산 | express bus · Deluxe | 08:55 | 20,600 | 115 min |
| 07:15 | 청주북부 → 서산 | express bus · Deluxe | 09:05 | 19,100 | 110 min |
| 10:55 | 청주공항 → 서산 | express bus · Deluxe | 12:50 | 20,600 | 115 min |
| 11:10 | 청주북부 → 서산 | express bus · Deluxe | 13:00 | 19,100 | 110 min |
| 16:40 | 청주공항 → 서산 | express bus · Deluxe | 18:35 | 20,600 | 115 min |
| 16:55 | 청주북부 → 서산 | express bus · Deluxe | 18:45 | 19,100 | 110 min |
Frequently asked questions
What time is the first and last bus from Cheongju to Seosan?
As of 2026-11-05, the first bus leaves 청주공항 at 07:00 and the last leaves 청주북부 at 16:55, with 6 buses a day in total.
How much is the bus from Cheongju to Seosan?
As of 2026-11-05, adult one-way fares run from 19,100 KRW to 20,600 KRW. The cheapest is the 07:15 deluxe bus from 청주북부.
How long does the bus from Cheongju to Seosan take?
As of 2026-11-05, the fastest bus takes 110 min, leaving 청주북부 at 07:15.