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

Return flights

03 Sep - 10 Sep	T'way Air
01 Sep - 16 Sep	Emirates
19 Sep - 28 Sep	Emirates
16 Sep - 25 Sep	Emirates
06 Sep - 13 Sep	Emirates
15 Sep - 22 Sep	Emirates
16 Sep - 22 Sep	Emirates
13 Sep - 22 Sep	Emirates
29 Sep - 15 Oct	Emirates
26 Sep - 15 Oct	Emirates
28 Sep - 02 Oct	Emirates
25 Sep - 28 Sep	Air France
28 Sep - 06 Oct	Emirates
27 Sep - 15 Oct	Emirates
30 Sep - 06 Oct	Singapore Airlines
28 Sep - 15 Oct	Emirates
30 Sep - 15 Oct	Emirates
28 Sep - 13 Oct	Emirates
26 Sep - 10 Oct	Emirates

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

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 September from 956€

Return flights