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

Return flights

02 May - 09 May	Iberia
12 May - 26 May	Avianca
12 May - 27 May	Avianca
20 May - 09 Jun	Avianca
21 May - 12 Jun	Avianca
28 May - 11 Jun	GOL Linhas Aéreas
21 May - 11 Jun	Iberia
30 May - 20 Jun	GOL Linhas Aéreas
09 May - 23 May	GOL Linhas Aéreas
01 May - 21 May	LEVEL
02 May - 30 Jun	GOL Linhas Aéreas

Also check the deals for one-way flights from Buenos Aires 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 Buenos Aires to Porto in May from $1043

Return flights