AirHint found the following cheapest one-way flights from Seoul (ICN) to Busan (PUS) in January 2026 (see full year).
One-Way flights
| 20 Jan | HK Express | ||
| 10 Jan | Jeju Air | ||
| 13 Jan | Jeju Air | ||
| 26 Jan | Jeju Air | ||
| 01 Jan | Shandong Airlines | ||
| 12 Jan | China Eastern | ||
| 07 Jan | Peach | ||
| 06 Jan | Peach | ||
| 19 Jan | Qingdao Airlines | ||
| 24 Jan | Qingdao Airlines |
Also check the deals for return flights from Seoul to Busan in January.
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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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