Cheapest return flights from Porto to Buenos Aires in December from 971€

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

08 Dec - 14 Jan TAP
11 Dec - 22 Jan LATAM Airlines Group
08 Dec - 15 Jan TAP
11 Dec - 27 Dec Ryanair
06 Dec - 26 Dec Air Europa
02 Dec - 06 Jan LATAM Airlines Group
28 Dec - 28 Jan Vueling Airlines
26 Dec - 04 Jan TAP
19 Dec - 07 Jan Azul Airlines
09 Dec - 06 Jan SWISS
23 Dec - 20 Jan SWISS

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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