Cheapest return flights from Sao Paulo to Porto in September from $810

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

Return flights

26 Sep - 05 Oct Iberia
18 Sep - 20 Sep Royal Air Maroc
20 Sep - 09 Oct Iberia
29 Sep - 16 Oct British Airways
25 Sep - 04 Oct Royal Air Maroc
23 Sep - 09 Oct Royal Air Maroc
15 Sep - 29 Sep Royal Air Maroc
22 Sep - 30 Sep British Airways
15 Sep - 25 Sep British Airways
24 Sep - 14 Oct Air Europa
15 Sep - 14 Oct British Airways
09 Sep - 09 Oct British Airways
11 Sep - 20 Sep Royal Air Maroc
02 Sep - 12 Sep Royal Air Maroc
27 Sep - 12 Oct Royal Air Maroc
02 Sep - 11 Sep Royal Air Maroc
11 Sep - 22 Sep British Airways
09 Sep - 16 Sep British Airways
24 Sep - 10 Oct Air Europa
15 Sep - 21 Sep Iberia

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

Powered by

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.