AirHint found the following cheapest return flights from Fortaleza (FOR) to Porto (OPO) in August 2025 (see full year).

Return flights

03 Aug - 19 Aug	TAP
03 Aug - 31 Aug	TAP
01 Aug - 31 Aug	TAP
02 Aug - 18 Aug	TAP
04 Aug - 07 Sep	TAP
04 Aug - 18 Aug	TAP
10 Aug - 10 Sep	TAP
10 Aug - 13 Sep	Air France
20 Aug - 31 Aug	TAP
03 Aug - 01 Sep	Air France
04 Aug - 14 Aug	LATAM Airlines Group
21 Aug - 02 Sep	TAP
22 Aug - 02 Sep	TAP

Also check the deals for one-way flights from Fortaleza 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 Fortaleza to Porto in August from $762

Return flights