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

Return flights

04 Mar - 19 Mar	TAP
09 Mar - 20 Mar	TAP
20 Mar - 24 Apr	Iberia
11 Mar - 06 Apr	TAP
06 Mar - 17 Mar	TAP
15 Mar - 22 Mar	Iberia
08 Mar - 04 Apr	TAP
13 Mar - 27 Mar	Iberia
08 Mar - 30 Mar	Iberia
08 Mar - 03 Apr	Iberia
11 Mar - 06 Apr	TAP	direct
11 Mar - 24 Mar	GOL Linhas Aéreas
15 Mar - 26 Mar	GOL Linhas Aéreas
13 Mar - 30 Mar	GOL Linhas Aéreas
01 Mar - 16 Mar	GOL Linhas Aéreas
25 Mar - 06 Apr	TAP	direct

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

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 March from $755

Return flights