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

Return flights

04 Dec - 11 Dec	Air France
29 Dec - 26 Jan	Turkish Airlines
17 Dec - 29 Dec	Turkish Airlines
01 Dec - 14 Dec	Air France
09 Dec - 21 Dec	Air France
13 Dec - 28 Dec	Turkish Airlines
02 Dec - 28 Dec	Air France
18 Dec - 15 Jan	Turkish Airlines
22 Dec - 06 Jan	Korean Air
17 Dec - 24 Dec	Korean Air
10 Dec - 19 Dec	Turkish Airlines
23 Dec - 27 Dec	Korean Air
12 Dec - 27 Dec	Korean Air
12 Dec - 02 Jan	Korean Air
13 Dec - 02 Jan	Korean Air
20 Dec - 03 Jan	Korean Air
27 Dec - 03 Jan	Korean Air
21 Dec - 02 Jan	Korean Air
20 Dec - 02 Jan	Korean Air
11 Dec - 29 Jan	Delta

Also check the deals for one-way flights from Seoul to Buenos Aires in December.

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 December from $1517

Return flights