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

Return flights

20 Aug - 25 Aug	Air Canada
25 Aug - 29 Aug	Qatar Airways
27 Aug - 31 Aug	Qatar Airways
12 Aug - 10 Sep	Emirates
24 Aug - 30 Aug	Qatar Airways
31 Aug - 13 Sep	Emirates
06 Aug - 12 Aug	Qatar Airways
27 Aug - 05 Sep	Qatar Airways
17 Aug - 26 Aug	Qatar Airways
09 Aug - 27 Aug	Qatar Airways
14 Aug - 24 Aug	Qatar Airways
09 Aug - 06 Sep	Qatar Airways
30 Aug - 06 Sep	Qatar Airways
04 Aug - 29 Aug	Qatar Airways
06 Aug - 20 Aug	Qatar Airways

Also check the deals for one-way flights from Seoul to Buenos Aires 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 Buenos Aires in August from $1962

Return flights