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

Return flights

03 Mar - 18 Mar	Air Europa
10 Mar - 20 Apr	Air Europa
11 Mar - 21 Apr	Air Europa
03 Mar - 17 Mar	Air Europa
16 Mar - 16 Apr	Air Europa
04 Mar - 18 Mar	TAP
05 Mar - 24 Mar	TAP
16 Mar - 22 Mar	TAP
22 Mar - 04 Apr	TAP
12 Mar - 04 Apr	TAP
16 Mar - 18 Apr	TAP
07 Mar - 16 Apr	TAP
07 Mar - 18 Apr	TAP
09 Mar - 20 Apr	TAP
09 Mar - 21 Apr	TAP
05 Mar - 19 Mar	Air Europa
02 Mar - 12 Mar	Air Europa
04 Mar - 19 Mar	Air Europa
05 Mar - 26 Mar	Air Europa
03 Mar - 28 Mar	Iberia

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 524€

Return flights