AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to Porto (OPO) in August 2026 (see full year).

Return flights

05 Aug - 03 Sep	Lufthansa
05 Aug - 10 Sep	Lufthansa
11 Aug - 27 Aug	SWISS
04 Aug - 01 Sep	Lufthansa
04 Aug - 20 Aug	Lufthansa
04 Aug - 24 Aug	Lufthansa
03 Aug - 31 Aug	Lufthansa
01 Aug - 31 Aug	SWISS
11 Aug - 24 Aug	SWISS
08 Aug - 29 Aug	SWISS
06 Aug - 26 Aug	Lufthansa
07 Aug - 21 Sep	Iberia
08 Aug - 18 Aug	SWISS
17 Aug - 18 Sep	British Airways
10 Aug - 31 Aug	Lufthansa
19 Aug - 03 Sep	SWISS
28 Aug - 18 Sep	TAP
31 Aug - 28 Sep	SWISS

Also check the deals for one-way flights from Rio De Janeiro to Porto in August.

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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Cheapest return flights from Rio De Janeiro to Porto in August from 608€

Return flights