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

Return flights

04 Dec - 10 Dec	Lufthansa
04 Dec - 09 Dec	Lufthansa
04 Dec - 12 Dec	Air France
07 Dec - 23 Dec	T'way Air
03 Dec - 28 Jan	KLM
01 Dec - 31 Dec	Emirates
24 Dec - 31 Dec	Emirates
22 Dec - 31 Dec	Emirates
09 Dec - 16 Dec	Korean Air
25 Dec - 31 Dec	Korean Air
25 Dec - 28 Dec	Korean Air
19 Dec - 06 Jan	Korean Air
22 Dec - 19 Jan	Korean Air
21 Dec - 08 Jan	Korean Air
20 Dec - 08 Jan	Korean Air
29 Dec - 09 Jan	Korean Air
29 Dec - 29 Jan	Emirates
22 Dec - 09 Jan	Emirates
18 Dec - 03 Jan	Korean Air
28 Dec - 02 Jan	Korean Air

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 $1462

Return flights