Cheapest return flights from Buenos Aires to Lisbon in December from $1073

Best time to book flights for Buenos Aires (AEP) to Lisbon (LIS) flights at AirHint

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

Return flights

10 Dec - 14 Dec Flybondi
31 Dec - 22 Jan LATAM Airlines Group
28 Dec - 16 Jan LATAM Airlines Group
23 Dec - 11 Jan LATAM Airlines Group
25 Dec - 06 Jan Avianca
30 Dec - 11 Jan Avianca
18 Dec - 02 Jan Avianca
16 Dec - 02 Jan Avianca
11 Dec - 31 Dec SWISS
25 Dec - 09 Jan Avianca
09 Dec - 24 Dec Air Canada
28 Dec - 14 Jan SWISS
02 Dec - 14 Dec SWISS
08 Dec - 22 Dec SWISS
22 Dec - 08 Jan SWISS
12 Dec - 25 Dec SWISS
15 Dec - 29 Dec SWISS
01 Dec - 17 Dec SWISS
01 Dec - 13 Dec SWISS
13 Dec - 28 Dec SWISS

Also check the deals for one-way flights from Buenos Aires to Lisbon 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon