AirHint found the following cheapest return flights from Fortaleza (FOR) to Porto (OPO) in May 2026 (see full year).

Return flights

07 May - 31 May	TAP
24 May - 31 May	TAP
17 May - 24 May	Air France
03 May - 30 May	TAP
28 May - 16 Jun	TAP
05 May - 31 May	TAP
15 May - 29 May	TAP
15 May - 30 May	TAP
15 May - 24 May	Air France
06 May - 01 Jun	TAP
02 May - 16 May	TAP
26 May - 27 Jun	Azul Airlines
25 May - 27 Jun	Azul Airlines

Also check the deals for one-way flights from Fortaleza 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 Fortaleza to Porto in May from $642

Return flights