Cheapest return flights from Sao Paulo to Porto in September from 666€

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Porto (OPO) in September 2025 (see full year).

Return flights

22 Sep - 02 Oct Ethiopian Airlines
26 Sep - 03 Oct TAAG Angola Airlines
15 Sep - 25 Sep Ethiopian Airlines
15 Sep - 22 Sep Ethiopian Airlines
29 Sep - 06 Oct Ethiopian Airlines
24 Sep - 02 Oct Ethiopian Airlines
24 Sep - 06 Oct Ethiopian Airlines
22 Sep - 30 Sep Ethiopian Airlines
15 Sep - 06 Oct Ethiopian Airlines
29 Sep - 13 Oct Ethiopian Airlines
15 Sep - 09 Oct Ethiopian Airlines
28 Sep - 10 Oct TAAG Angola Airlines
16 Sep - 23 Sep TAP
30 Sep - 30 Oct TAP
14 Sep - 22 Sep Ethiopian Airlines
15 Sep - 20 Sep Ethiopian Airlines
14 Sep - 30 Sep Ethiopian Airlines
21 Sep - 27 Sep Ethiopian Airlines
14 Sep - 20 Sep Ethiopian Airlines
16 Sep - 24 Sep GOL Linhas Aéreas

Also check the deals for one-way flights from Sao Paulo to Porto in September.

Skyscanner

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 Porto

Cheap car rent in Porto

Feel free to contact us with any feedback or request another flight research.