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

Return flights

01 Oct - 22 Oct	LATAM Airlines Group
07 Oct - 21 Oct	LATAM Airlines Group
07 Oct - 31 Oct	LATAM Airlines Group
20 Oct - 04 Nov	LATAM Airlines Group
02 Oct - 10 Oct	LATAM Airlines Group
01 Oct - 31 Oct	Air Europa
30 Oct - 05 Nov	Turkish Airlines
12 Oct - 19 Oct	LATAM Airlines Group
11 Oct - 06 Nov	LATAM Airlines Group
25 Oct - 07 Nov	Qatar Airways
25 Oct - 01 Nov	KLM
23 Oct - 01 Nov	KLM
01 Oct - 15 Oct	KLM

Also check the deals for one-way flights from Istanbul 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 Istanbul to Buenos Aires in October from $1096

Return flights