AirHint found the following cheapest return flights from Seoul (ICN) to Busan (PUS) in March 2026 (see full year).
Return flights
| 03 Mar - 10 Mar | T'way Air | ||
| 06 Mar - 22 Mar | Korean Air | ||
| 12 Mar - 16 Mar | China Southern | ||
| 31 Mar - 02 Apr | Shandong Airlines |
Also check the deals for one-way flights from Seoul to Busan in March.
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