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

Return flights

17 Sep - 26 Sep	Asiana Airlines
09 Sep - 16 Sep	Korean Air
09 Sep - 17 Sep	Korean Air
10 Sep - 19 Sep	Korean Air
10 Sep - 17 Sep	Korean Air
17 Sep - 24 Sep	Korean Air
19 Sep - 23 Sep	Korean Air
17 Sep - 13 Oct	Korean Air
17 Sep - 24 Oct	LATAM Airlines Group
10 Sep - 13 Sep	Korean Air
16 Sep - 17 Oct	Korean Air
15 Sep - 22 Sep	Korean Air
02 Sep - 15 Sep	Korean Air
26 Sep - 03 Oct	Korean Air
26 Sep - 07 Oct	Korean Air
29 Sep - 06 Oct	Korean Air
27 Sep - 12 Oct	Korean Air
27 Sep - 04 Oct	Korean Air
30 Sep - 12 Oct	Korean Air
30 Sep - 17 Oct	Korean Air

Also check the deals for one-way flights from Seoul to Lima 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 Lima in September from 1058€

Return flights