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

Return flights

16 Sep - 17 Oct	Asiana Airlines
17 Sep - 24 Oct	Asiana Airlines
10 Sep - 17 Sep	Korean Air
09 Sep - 16 Sep	Korean Air
09 Sep - 18 Sep	Korean Air
16 Sep - 26 Sep	Korean Air
09 Sep - 17 Sep	Korean Air
09 Sep - 12 Sep	Korean Air
06 Sep - 14 Sep	Air Premia
17 Sep - 22 Sep	Korean Air
17 Sep - 24 Sep	Korean Air
17 Sep - 30 Sep	Korean Air
20 Sep - 03 Oct	Korean Air
02 Sep - 22 Oct	Air France
24 Sep - 01 Oct	Korean Air
26 Sep - 02 Oct	Korean Air
26 Sep - 13 Oct	Korean Air
27 Sep - 11 Oct	Asiana Airlines
02 Sep - 20 Oct	Air France
27 Sep - 13 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 $1204

Return flights