Cheapest one-way flights from Lisbon to Buenos Aires in December from $551

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Buenos Aires (AEP) in December 2025 (see full year).

One-Way flights

09 Dec Royal Air Maroc
12 Dec Azul Airlines
06 Dec Azul Airlines
26 Dec Azul Airlines
29 Dec Azul Airlines
02 Dec Vueling Airlines
20 Dec Azul Airlines
27 Dec Vueling Airlines
28 Dec Vueling Airlines
01 Dec Vueling Airlines

Also check the deals for return flights from Lisbon to Buenos Aires in December.

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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