Cheapest one-way flights from Buenos Aires to Porto Alegre in January from $138

AirHint found the following cheapest one-way flights from Buenos Aires (AEP) to Porto Alegre (POA) in January 2026 (see full year).

One-Way flights

20 Jan Aerolíneas Argentinas direct
17 Jan Aerolíneas Argentinas direct
15 Jan Aerolíneas Argentinas direct
21 Jan LATAM Airlines Group direct
16 Jan LATAM Airlines Group direct
18 Jan Aerolíneas Argentinas direct
13 Jan Aerolíneas Argentinas direct
27 Jan Aerolíneas Argentinas direct
29 Jan Aerolíneas Argentinas direct
23 Jan LATAM Airlines Group direct

Also check the deals for return flights from Buenos Aires to Porto Alegre in January.

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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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