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

Return flights

02 Dec - 07 Dec	LATAM Airlines Group
04 Dec - 11 Dec	LATAM Airlines Group
05 Dec - 14 Dec	Air Canada
05 Dec - 09 Dec	LATAM Airlines Group
05 Dec - 15 Dec	Air Canada
04 Dec - 07 Dec	LATAM Airlines Group
08 Dec - 09 Dec	LATAM Airlines Group
08 Dec - 22 Dec	LATAM Airlines Group
04 Dec - 09 Dec	LATAM Airlines Group
04 Dec - 10 Dec	LATAM Airlines Group
10 Dec - 27 Jan	LATAM Airlines Group
03 Dec - 31 Jan	Emirates
10 Dec - 28 Jan	LATAM Airlines Group
10 Dec - 26 Jan	LATAM Airlines Group
28 Dec - 28 Jan	Emirates
29 Dec - 31 Jan	LATAM Airlines Group
29 Dec - 24 Jan	LATAM Airlines Group
29 Dec - 23 Jan	Emirates
29 Dec - 25 Jan	Emirates
08 Dec - 28 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Auckland to Buenos Aires in December.

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 December from $1590

Return flights