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

Return flights

02 Oct - 06 Oct	LATAM Airlines Group
11 Oct - 18 Oct	LATAM Airlines Group
16 Oct - 20 Oct	LATAM Airlines Group
05 Oct - 15 Oct	Azul Airlines
13 Oct - 20 Oct	GOL Linhas Aéreas
10 Oct - 17 Oct	Azul Airlines

Also check the deals for one-way flights from Natal 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 Natal to Buenos Aires in October from $482

Return flights