AirHint found the following cheapest one-way flights from Porto Alegre (POA) to Porto (OPO) in August 2025 (see full year).

One-Way flights

04 Aug	Azul Airlines
19 Aug	Azul Airlines
03 Aug	Azul Airlines
02 Aug	Azul Airlines
01 Aug	GOL Linhas Aéreas
20 Aug	LATAM Airlines Group
05 Aug	Azul Airlines
12 Aug	Copa
11 Aug	Azul Airlines
13 Aug	Azul Airlines

Also check the deals for return flights from Porto Alegre to Porto in August.

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 one-way flights from Porto Alegre to Porto in August from $474

One-Way flights