AirHint found the following cheapest one-way flights from Seoul (ICN) to Busan (PUS) in January 2026 (see full year).
One-Way flights
| 28 Jan | T'way Air | ||
| 15 Jan | T'way Air | ||
| 08 Jan | T'way Air | ||
| 06 Jan | Jin Air | ||
| 14 Jan | Jeju Air | ||
| 09 Jan | Korean Air | ||
| 10 Jan | Korean Air | ||
| 03 Jan | Korean Air | ||
| 02 Jan | Korean Air | ||
| 11 Jan | T'way Air |
Also check the deals for return flights from Seoul to Busan in January.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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