Cheapest one-way flights from Porto Alegre to Buenos Aires in March from $108

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

One-Way flights

12 Mar Aerolíneas Argentinas direct
17 Mar Aerolíneas Argentinas direct
10 Mar Aerolíneas Argentinas direct
24 Mar Aerolíneas Argentinas direct
25 Mar LATAM Airlines Group direct
23 Mar LATAM Airlines Group direct
13 Mar LATAM Airlines Group direct
28 Mar LATAM Airlines Group
29 Mar GOL Linhas Aéreas
19 Mar Aerolíneas Argentinas direct

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

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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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