AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (EZE) in May 2026 (see full year).
Return flights
| 19 May - 30 Jun | SWISS | ||
| 26 May - 20 Jun | Lufthansa | ||
| 26 May - 19 Jun | Lufthansa | ||
| 11 May - 17 May | Ethiopian Airlines | ||
| 14 May - 24 May | Ethiopian Airlines | ||
| 01 May - 28 May | Air Europa |
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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