What is the cheapest month to fly from Sao Paulo to Porto?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Sao Paulo (GRU) to Porto (OPO), with fares starting from $430.

What is the lowest current fare from GRU to OPO?

The lowest currently-listed fare from Sao Paulo (GRU) to Porto (OPO) is $430 on 2026-10-15.

How long is the flight from Sao Paulo to Porto?

Direct flights from GRU to OPO cover approximately 8,179 km (5,082 miles), with an estimated flight time of 9h 37m. Operating airlines: TP.

Cheap flights from Sao Paulo to Porto

Cheapest current fares: $430 in October 2026, 8,179 km direct flight in ~9h 37m.

Last updated August 12, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Sao Paulo (GRU) to Porto (OPO). Refreshed daily.

Sao Paulo (GRU) → Porto (OPO)

October 2026 $430
August 2026 $520
September 2026 $681

Frequently asked questions

What is the cheapest month to fly from Sao Paulo to Porto?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Sao Paulo (GRU) to Porto (OPO), with fares starting from $430.
What is the lowest current fare from GRU to OPO?

The lowest currently-listed fare from Sao Paulo (GRU) to Porto (OPO) is $430 on 2026-10-15.
How long is the flight from Sao Paulo to Porto?

Direct flights from GRU to OPO cover approximately 8,179 km (5,082 miles), with an estimated flight time of 9h 37m. Operating airlines: TP.

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