Cheapest return flights from Perth to Buenos Aires in December from $2510

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

Return flights

01 Dec - 15 Jan LATAM Airlines Group
08 Dec - 04 Jan LATAM Airlines Group
27 Dec - 19 Jan Qatar Airways
06 Dec - 06 Jan Jetstar
09 Dec - 22 Jan Qatar Airways
05 Dec - 05 Jan LATAM Airlines Group
15 Dec - 15 Jan LATAM Airlines Group
09 Dec - 09 Jan LATAM Airlines Group
11 Dec - 02 Jan Qatar Airways
20 Dec - 16 Jan Qatar Airways

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

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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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