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

Return flights

11 Sep - 18 Sep	Copa
01 Sep - 19 Sep	Avianca
15 Sep - 21 Sep	LATAM Airlines Group
18 Sep - 24 Sep	LATAM Airlines Group
28 Sep - 05 Oct	LATAM Airlines Group
06 Sep - 13 Sep	Aeromexico
14 Sep - 30 Oct	Air France
25 Sep - 24 Oct	KLM
13 Sep - 30 Oct	Air France
16 Sep - 25 Sep	KLM
02 Sep - 05 Sep	LATAM Airlines Group
13 Sep - 26 Sep	Air France

Also check the deals for one-way flights from Lima to Seoul 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 Lima to Seoul in September from 1169€

Return flights