AirHint found the following cheapest return flights from Seoul (ICN) to Plaisance (MRU) in August 2025 (see full year).

Return flights

26 Aug - 30 Aug	T'way Air
22 Aug - 29 Aug	AirAsia X
22 Aug - 30 Aug	Thai AirAsia X
24 Aug - 31 Aug	Jeju Air
25 Aug - 29 Aug	AirAsia X
24 Aug - 28 Aug	Jeju Air
23 Aug - 30 Aug	Batik Air Malaysia
21 Aug - 24 Aug	Eastar Jet
21 Aug - 28 Aug	Eastar Jet
25 Aug - 28 Aug	Emirates
29 Aug - 05 Sep	Emirates
27 Aug - 03 Sep	Emirates

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

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 August from $952

Return flights