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

Return flights

10 May - 28 May	SWISS
05 May - 21 May	Lufthansa
05 May - 14 May	Lufthansa
24 May - 04 Jun	SWISS
22 May - 04 Jun	SWISS
05 May - 02 Jun	Lufthansa
24 May - 06 Jun	SWISS
01 May - 10 May	SWISS
08 May - 25 May	SWISS
03 May - 10 May	SWISS
05 May - 09 Jun	Lufthansa
03 May - 24 May	SWISS
22 May - 06 Jun	SWISS
01 May - 13 May	SWISS
24 May - 05 Jun	Iberia
25 May - 05 Jun	Iberia
22 May - 05 Jun	Iberia
01 May - 22 May	SWISS
20 May - 15 Jun	TAP
07 May - 19 May	TAP

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

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 May from 599€

Return flights