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

One-Way flights

02 Dec	Aerolineas Argentinas
09 Dec	LATAM Airlines Group
11 Dec	LATAM Airlines Group
10 Dec	Iberia
15 Dec	LATAM Airlines Group
16 Dec	LATAM Airlines Group
30 Dec	Ethiopian Airlines
24 Dec	Flybondi
17 Dec	LATAM Airlines Group
25 Dec	KLM

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

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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Cheapest one-way flights from Buenos Aires to Lisbon in December from $567

One-Way flights