AirHint found the following cheapest one-way flights from Sao Paulo (GRU) to Porto (OPO) in September 2025 (see full year).
One-Way flights
| 28 Sep | Royal Air Maroc | ||
| 29 Sep | Avianca | ||
| 27 Sep | TAP | ||
| 22 Sep | Avianca | ||
| 25 Sep | Copa | ||
| 24 Sep | Avianca | ||
| 30 Sep | Royal Air Maroc | ||
| 21 Sep | Royal Air Maroc | ||
| 23 Sep | LATAM Airlines Group | ||
| 18 Sep | Avianca |
Also check the deals for return flights from Sao Paulo to Porto in September.
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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