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

Return flights

23 Jul - 25 Aug	GOL Linhas Aéreas
13 Jul - 18 Aug	Azul Airlines
16 Jul - 08 Aug	Azul Airlines
23 Jul - 04 Aug	GOL Linhas Aéreas
22 Jul - 06 Aug	GOL Linhas Aéreas
19 Jul - 06 Aug	LATAM Airlines Group
17 Jul - 09 Aug	GOL Linhas Aéreas
21 Jul - 29 Jul	LATAM Airlines Group
23 Jul - 30 Jul	GOL Linhas Aéreas
23 Jul - 01 Aug	GOL Linhas Aéreas
01 Jul - 14 Jul	Azul Airlines
22 Jul - 30 Jul	GOL Linhas Aéreas
19 Jul - 30 Jul	GOL Linhas Aéreas
16 Jul - 28 Jul	LATAM Airlines Group
24 Jul - 01 Aug	GOL Linhas Aéreas
19 Jul - 01 Aug	Azul Airlines
16 Jul - 30 Jul	GOL Linhas Aéreas
18 Jul - 31 Jul	GOL Linhas Aéreas
16 Jul - 23 Jul	TAP	direct
21 Jul - 28 Jul	Azul Airlines

Also check the deals for one-way flights from Porto Alegre to Lisbon 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 Lisbon in July from 902€

Return flights