Cheapest return flights from Seoul to Busan in January from $297

AirHint found the following cheapest return flights from Seoul (ICN) to Busan (PUS) in January 2026 (see full year).

Return flights

13 Jan - 14 Jan China Eastern
12 Jan - 13 Jan China Eastern
13 Jan - 20 Jan China Eastern
20 Jan - 21 Jan China Eastern
07 Jan - 14 Jan Shanghai Airlines
07 Jan - 08 Jan China Eastern
11 Jan - 13 Jan Shanghai Airlines
06 Jan - 08 Jan Korean Air
06 Jan - 07 Jan China Eastern
14 Jan - 19 Jan China Eastern
31 Jan - 14 Feb Eastar Jet

Also check the deals for one-way flights from Seoul to Busan in January.

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