AirHint found the following cheapest return flights from Auckland (AKL) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

20 Sep - 27 Sep	LATAM Airlines Group
20 Sep - 04 Oct	LATAM Airlines Group
22 Sep - 23 Oct	Qantas
19 Sep - 26 Sep	American Airlines
24 Sep - 01 Oct	LATAM Airlines Group
18 Sep - 21 Sep	Emirates
19 Sep - 04 Oct	Emirates
29 Sep - 02 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Auckland 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.

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Cheapest return flights from Auckland to Buenos Aires in September from 1637€

Return flights