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

Return flights

17 Oct - 22 Oct	Air Canada
28 Oct - 25 Nov	Qatar Airways
22 Oct - 31 Oct	Qatar Airways
31 Oct - 17 Nov	Qatar Airways
14 Oct - 28 Oct	Qatar Airways
15 Oct - 31 Oct	Qatar Airways
21 Oct - 04 Nov	Qatar Airways
01 Oct - 11 Oct	Air Canada
08 Oct - 18 Oct	Air Canada
05 Oct - 11 Oct	Air Canada
20 Oct - 24 Oct	Qatar Airways
03 Oct - 11 Oct	Air Canada
01 Oct - 17 Oct	Qatar Airways

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

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 October from 1495€

Return flights