AirHint found the following cheapest return flights from Seoul (ICN) to Busan (PUS) in March 2026 (see full year).
Return flights
| 21 Mar - 31 Mar | China Eastern | ||
| 21 Mar - 25 Mar | Jeju Air | ||
| 24 Mar - 28 Mar | Air Busan | ||
| 02 Mar - 06 Mar | T'way Air | ||
| 26 Mar - 29 Mar | Scoot |
Also check the deals for one-way flights from Seoul to Busan in March.
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