Cheapest return flights from Porto to Buenos Aires in May from 844€

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

Return flights

18 May - 27 May Air Europa
11 May - 27 May Air Europa
10 May - 26 May Iberia
21 May - 22 Jun Iberia
07 May - 15 May Iberia
12 May - 26 May Ethiopian Airlines
12 May - 27 May Lufthansa
05 May - 14 May Ethiopian Airlines
19 May - 28 May Ethiopian Airlines
11 May - 21 May Ethiopian Airlines
28 May - 29 Jun Air France
14 May - 23 May KLM

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

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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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