AirHint found the following cheapest return flights from Porto Alegre (POA) to Buenos Aires (AEP) in July 2026 (see full year).

Return flights

25 Jul - 31 Jul	Aerolíneas Argentinas	direct
18 Jul - 22 Jul	Aerolíneas Argentinas	direct
09 Jul - 23 Jul	LATAM Airlines Group
23 Jul - 31 Jul	GOL Linhas Aéreas
20 Jul - 25 Jul	GOL Linhas Aéreas
20 Jul - 26 Jul	Azul Airlines

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

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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Cheapest return flights from Porto Alegre to Buenos Aires in July from 310€

Return flights