Cheapest return flights from Porto Alegre to Buenos Aires in December from $293

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

Return flights

11 Dec - 20 Dec Aerolineas Argentinas direct
16 Dec - 19 Dec Aerolineas Argentinas direct
08 Dec - 11 Dec Aerolineas Argentinas direct
10 Dec - 19 Dec LATAM Airlines Group
20 Dec - 25 Dec Aerolineas Argentinas direct
30 Dec - 05 Jan Aerolineas Argentinas direct
10 Dec - 16 Dec LATAM Airlines Group
09 Dec - 15 Dec Aerolineas Argentinas direct
22 Dec - 02 Jan Aerolineas Argentinas direct
26 Dec - 02 Jan Aerolineas Argentinas direct
29 Dec - 03 Jan Aerolineas Argentinas direct
27 Dec - 03 Jan Aerolineas Argentinas direct
28 Dec - 02 Jan LATAM Airlines Group

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

Skyscanner

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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