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

Return flights

02 Mar - 12 Mar	LATAM Airlines Group
10 Mar - 24 Mar	LATAM Airlines Group
19 Mar - 21 Apr	LATAM Airlines Group
19 Mar - 04 Apr	LATAM Airlines Group
17 Mar - 02 Apr	TAP	direct
13 Mar - 24 Mar	TAP	direct
10 Mar - 24 Mar	TAP	direct
17 Mar - 31 Mar	TAP	direct
06 Mar - 14 Mar	TAP	direct
07 Mar - 17 Mar	TAP	direct
16 Mar - 30 Mar	Azul Airlines
03 Mar - 11 Mar	TAP
03 Mar - 16 Mar	TAP
19 Mar - 15 Apr	Emirates

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

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 March from 647€

Return flights