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

Return flights

18 Sep - 30 Sep	Air Premia
16 Sep - 29 Sep	Air Premia
22 Sep - 07 Oct	Asiana Airlines
15 Sep - 26 Sep	Air Premia
17 Sep - 01 Oct	Jeju Air
13 Sep - 20 Sep	Air Premia
16 Sep - 23 Sep	Asiana Airlines
09 Sep - 16 Sep	Asiana Airlines
06 Sep - 19 Sep	Air Premia
08 Sep - 15 Sep	Air Premia
29 Sep - 06 Oct	Asiana Airlines
30 Sep - 05 Oct	Asiana Airlines
29 Sep - 05 Oct	Asiana Airlines
09 Sep - 17 Sep	Korean Air
10 Sep - 30 Sep	Korean Air
22 Sep - 03 Oct	Korean Air
10 Sep - 01 Oct	Korean Air
23 Sep - 14 Oct	Korean Air
30 Sep - 14 Oct	T'way Air
26 Sep - 17 Oct	Asiana Airlines

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 $1024

Return flights