Cheapest return flights from Porto to Buenos Aires in December from 954€

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 December 2025 (see full year).

Return flights

26 Dec - 31 Jan LATAM Airlines Group
08 Dec - 30 Dec TAP
26 Dec - 13 Jan LATAM Airlines Group
10 Dec - 15 Dec LATAM Airlines Group
15 Dec - 03 Jan Azul Airlines
12 Dec - 15 Dec TAP
20 Dec - 31 Dec TAP
26 Dec - 04 Jan TAP
19 Dec - 10 Jan Azul Airlines
22 Dec - 04 Jan TAP
19 Dec - 06 Jan Azul Airlines
20 Dec - 05 Jan Ryanair
20 Dec - 04 Jan TAP
20 Dec - 06 Jan Ryanair

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

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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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