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

Return flights

04 Dec - 19 Dec	Qantas
04 Dec - 18 Dec	Qantas
02 Dec - 19 Dec	Qantas
01 Dec - 21 Dec	Emirates
01 Dec - 22 Dec	Emirates
04 Dec - 05 Jan	Qantas
02 Dec - 15 Jan	Emirates
30 Dec - 20 Jan	LATAM Airlines Group
05 Dec - 05 Jan	Emirates
05 Dec - 10 Jan	Emirates
25 Dec - 09 Jan	Qatar Airways
24 Dec - 16 Jan	Emirates
08 Dec - 10 Jan	Emirates
06 Dec - 04 Jan	Emirates
15 Dec - 15 Jan	Qatar Airways

Also check the deals for one-way flights from Perth 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 Perth to Buenos Aires in December from $1748

Return flights