AirHint found the following cheapest return flights from Buenos Aires (EZE) to Lisbon (LIS) in December 2026 (see full year).

Return flights

02 Dec - 12 Dec	LATAM Airlines Group
06 Dec - 19 Dec	LATAM Airlines Group
13 Dec - 30 Dec	Iberia
10 Dec - 23 Dec	Iberia
16 Dec - 03 Jan	Iberia
16 Dec - 30 Dec	Iberia
03 Dec - 23 Dec	British Airways
09 Dec - 28 Dec	Iberia
12 Dec - 23 Dec	LATAM Airlines Group
17 Dec - 31 Dec	Iberia
12 Dec - 31 Dec	Iberia
18 Dec - 13 Jan	Air Europa
24 Dec - 08 Jan	Lufthansa
24 Dec - 07 Jan	Lufthansa
19 Dec - 04 Jan	Air Europa
24 Dec - 13 Jan	Air Europa
23 Dec - 08 Jan	Turkish Airlines
20 Dec - 06 Jan	Turkish Airlines
20 Dec - 07 Jan	Turkish Airlines

Also check the deals for one-way 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 return flights from Buenos Aires to Lisbon in December from $1183

Return flights