AirHint found the following cheapest return flights from Porto (OPO) to Sao Paulo (GRU) in March 2026 (see full year).

Return flights

03 Mar - 21 Mar	Air Europa
09 Mar - 25 Mar	Air Europa
06 Mar - 19 Mar	Air Europa
18 Mar - 31 Mar	Air Europa
13 Mar - 29 Mar	Air Europa
06 Mar - 31 Mar	Air Europa
02 Mar - 07 Apr	Air Europa
18 Mar - 25 Mar	Air Europa
12 Mar - 28 Mar	Air Europa
02 Mar - 01 Apr	Air Europa
19 Mar - 26 Mar	Iberia
13 Mar - 28 Mar	Air Europa
12 Mar - 07 Apr	Air Europa
28 Mar - 28 Apr	Air Europa
28 Mar - 07 Apr	Air Europa
23 Mar - 09 Apr	TAP
02 Mar - 02 Apr	TAP
21 Mar - 06 Apr	TAP
19 Mar - 02 Apr	TAP
28 Mar - 09 Apr	TAP

Also check the deals for one-way flights from Porto to Sao Paulo 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 to Sao Paulo in March from 509€

Return flights