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

Return flights

10 Sep - 24 Sep	Air Canada
09 Sep - 24 Sep	Air Canada
02 Sep - 13 Sep	Air Canada
15 Sep - 20 Sep	SWISS
15 Sep - 25 Sep	SWISS
11 Sep - 13 Sep	Qatar Airways
08 Sep - 19 Sep	Qatar Airways
17 Sep - 30 Sep	Qatar Airways
15 Sep - 28 Sep	Qatar Airways
13 Sep - 21 Sep	Emirates
27 Sep - 04 Oct	Emirates
24 Sep - 09 Oct	Air Canada
27 Sep - 07 Oct	Qatar Airways
25 Sep - 11 Oct	Emirates
30 Sep - 09 Oct	Air Canada
26 Sep - 10 Oct	Qatar Airways

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Seoul to Buenos Aires in September from 1464€

Return flights