AirHint found the following cheapest return flights from Seoul (ICN) to Busan (PUS) in March 2026 (see full year).
Return flights
| 27 Mar - 04 Apr | China Eastern | ||
| 14 Mar - 19 Mar | China Eastern | ||
| 18 Mar - 25 Mar | T'way Air | ||
| 02 Mar - 14 Mar | HK Express | ||
| 19 Mar - 22 Mar | Eastar Jet | ||
| 26 Mar - 29 Mar | Jeju Air |
Also check the deals for one-way flights from Seoul to Busan in March.
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