Cheapest one-way flights from Porto to Buenos Aires in August from $645

AirHint found the following cheapest one-way flights from Porto (OPO) to Buenos Aires (AEP) in August 2025 (see full year).

One-Way flights

13 Aug Ryanair
27 Aug Vueling Airlines
28 Aug Vueling Airlines
29 Aug Vueling Airlines
15 Aug TAP
30 Aug Vueling Airlines
25 Aug Vueling Airlines
24 Aug Vueling Airlines
26 Aug Vueling Airlines
17 Aug Vueling Airlines

Also check the deals for return flights from Porto to Buenos Aires in August.

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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