Cheapest return flights from Porto to Buenos Aires in May from $990

Best time to book flights for Porto (OPO) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (AEP) in May 2025 (see full year).

Return flights

29 May - 16 Jun TAP
25 May - 01 Jun TAP
24 May - 22 Jun Iberia
22 May - 29 May Air Europa
23 May - 05 Jun TAP
09 May - 19 May Ryanair
11 May - 24 May Air Europa
16 May - 30 May TAP
10 May - 20 May Ryanair
15 May - 28 May TAP
07 May - 12 May Air Europa
31 May - 21 Jun TAP
01 May - 10 May Ryanair
31 May - 14 Jun TAP
01 May - 31 May SWISS
05 May - 30 May SWISS
23 May - 07 Jun SWISS

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

Skyscanner

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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