AirHint found the following cheapest return flights from Porto Alegre (POA) to Lisbon (LIS) in July 2025 (see full year).

Return flights

24 Jul - 28 Aug	LATAM Airlines Group
31 Jul - 28 Aug	LATAM Airlines Group
31 Jul - 30 Aug	LATAM Airlines Group
09 Jul - 19 Aug	LATAM Airlines Group
09 Jul - 19 Aug	TAP	direct
30 Jul - 28 Aug	LATAM Airlines Group
28 Jul - 28 Aug	LATAM Airlines Group
24 Jul - 28 Aug	TAP	direct
30 Jul - 28 Aug	TAP	direct
30 Jul - 21 Aug	TAP	direct
11 Jul - 18 Jul	LATAM Airlines Group
02 Jul - 07 Jul	Azul Airlines
15 Jul - 22 Jul	LATAM Airlines Group
03 Jul - 08 Jul	Azul Airlines
06 Jul - 10 Jul	TAP	direct
03 Jul - 17 Jul	TAP	direct
03 Jul - 08 Jul	TAP	direct
05 Jul - 11 Jul	LATAM Airlines Group
06 Jul - 11 Jul	LATAM Airlines Group
02 Jul - 05 Jul	TAP	direct

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Porto Alegre to Lisbon in July from $834

Return flights