Cheapest one-way flights from Porto Alegre to Buenos Aires in December from $81

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

One-Way flights

09 Dec GOL Linhas Aéreas direct
13 Dec Aerolineas Argentinas direct
15 Dec Aerolineas Argentinas direct
12 Dec LATAM Airlines Group direct
10 Dec LATAM Airlines Group direct
24 Dec LATAM Airlines Group direct
22 Dec Aerolineas Argentinas direct

Also check the deals for return 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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