Cheapest return SYD–AEP flights, December

AirHint found the following cheapest return flights from Sydney (SYD) to Buenos Aires (AEP) in December 2026 (see full year).

Return flights

06 Dec - 27 Dec LATAM Airlines Group
03 Dec - 18 Jan LATAM Airlines Group
27 Dec - 27 Jan LATAM Airlines Group
27 Dec - 22 Jan LATAM Airlines Group
06 Dec - 10 Jan LATAM Airlines Group
17 Dec - 22 Jan LATAM Airlines Group
23 Dec - 19 Jan LATAM Airlines Group
23 Dec - 22 Jan LATAM Airlines Group
22 Dec - 19 Jan Qantas
03 Dec - 04 Jan LATAM Airlines Group
06 Dec - 09 Jan LATAM Airlines Group

Also check the deals for one-way flights from Sydney 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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