AirHint found the following cheapest one-way flights from Sao Paulo (GRU) to Porto (OPO) in September 2026 (see full year).
One-Way flights
| 20 Sep | Royal Air Maroc | ||
| 16 Sep | Royal Air Maroc | ||
| 23 Sep | Royal Air Maroc | ||
| 15 Sep | Royal Air Maroc | ||
| 17 Sep | Avianca | ||
| 24 Sep | Avianca | ||
| 10 Sep | Avianca | ||
| 12 Sep | Avianca | ||
| 11 Sep | Avianca | ||
| 07 Sep | Air Canada |
Also check the deals for return flights from Sao Paulo to Porto in September.
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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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