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

Return flights

30 Apr - 30 May	TAP	direct
29 Apr - 16 May	TAP	direct
19 Apr - 02 May	TAP	direct
30 Apr - 14 May	TAP	direct
09 Apr - 23 Apr	Azul Airlines
09 Apr - 23 Apr	TAP	direct
05 Apr - 21 Apr	TAP	direct
09 Apr - 28 Apr	TAP	direct
14 Apr - 15 Apr	Azul Airlines
15 Apr - 16 Apr	Azul Airlines
17 Apr - 30 Apr	Azul Airlines
06 Apr - 20 Apr	Azul Airlines
04 Apr - 20 Apr	Azul Airlines
15 Apr - 16 Apr	TAP	direct

Also check the deals for one-way flights from Porto Alegre to Lisbon in April.

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 April from $1069

Return flights