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

Return flights

31 Aug - 30 Sep	Air Premia
19 Aug - 26 Aug	Asiana Airlines
27 Aug - 10 Sep	Korean Air
29 Aug - 22 Sep	Korean Air
28 Aug - 09 Sep	KLM
22 Aug - 30 Aug	Korean Air
19 Aug - 23 Aug	Air Premia
30 Aug - 06 Sep	Korean Air
25 Aug - 03 Sep	KLM
11 Aug - 15 Aug	LATAM Airlines Group
18 Aug - 25 Aug	Korean Air
21 Aug - 05 Sep	KLM
11 Aug - 18 Aug	KLM
21 Aug - 24 Aug	KLM
06 Aug - 13 Aug	Air France
03 Aug - 11 Aug	KLM
15 Aug - 29 Aug	United

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

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 August from 1270€

Return flights