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

Return flights

14 Oct - 30 Oct	Air Premia
17 Oct - 28 Oct	Asiana Airlines
10 Oct - 29 Oct	Korean Air
09 Oct - 24 Oct	Korean Air
07 Oct - 23 Oct	Korean Air
13 Oct - 27 Oct	Korean Air
10 Oct - 19 Oct	Korean Air
09 Oct - 26 Oct	Korean Air
06 Oct - 20 Oct	Korean Air
10 Oct - 25 Oct	Korean Air
26 Oct - 14 Nov	KLM
25 Oct - 01 Nov	Korean Air
19 Oct - 01 Nov	Korean Air

Also check the deals for one-way flights from Seoul to Lima in October.

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 October from 1134€

Return flights