Cheapest one-way flights from Porto Alegre to Buenos Aires in March from $101

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

17 Mar Aerolíneas Argentinas direct
23 Mar LATAM Airlines Group direct
10 Mar Aerolíneas Argentinas direct
31 Mar GOL Linhas Aéreas
31 Mar Aerolíneas Argentinas direct
26 Mar Aerolíneas Argentinas direct
12 Mar Aerolíneas Argentinas direct
13 Mar LATAM Airlines Group direct
04 Mar LATAM Airlines Group direct
03 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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