AirHint found the following cheapest return flights from Seoul (ICN) to Plaisance (MRU) in March 2026 (see full year).

Return flights

21 Mar - 28 Mar	Vietnam Airlines
06 Mar - 10 Mar	Cebu Pacific
20 Mar - 28 Mar	Philippines AirAsia Inc.
20 Mar - 27 Mar	VietJet Air
09 Mar - 20 Mar	VietJet Air
07 Mar - 18 Mar	Vietnam Airlines
09 Mar - 16 Mar	Vietnam Airlines
08 Mar - 13 Mar	Emirates
02 Mar - 09 Mar	Emirates
02 Mar - 11 Mar	Emirates
23 Mar - 02 Apr	Emirates
29 Mar - 07 Apr	Emirates
30 Mar - 10 Apr	Emirates
20 Mar - 17 Apr	Emirates
23 Mar - 04 Apr	Emirates
29 Mar - 10 Apr	Vietnam Airlines

Also check the deals for one-way flights from Seoul to Plaisance in March.

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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Cheapest return flights from Seoul to Plaisance in March from $1020

Return flights