Cheapest return flights from Buenos Aires to Lisbon in December from $1525

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

11 Dec - 23 Dec Avianca
25 Dec - 06 Jan Avianca
23 Dec - 04 Jan Avianca
16 Dec - 28 Dec Avianca
16 Dec - 30 Dec Avianca
23 Dec - 09 Jan Avianca
16 Dec - 31 Dec SWISS
01 Dec - 14 Dec SWISS
01 Dec - 15 Dec SWISS
01 Dec - 11 Dec SWISS
15 Dec - 27 Dec SWISS
16 Dec - 27 Dec SWISS
05 Dec - 15 Dec SWISS
29 Dec - 17 Jan SWISS
31 Dec - 15 Jan SWISS
27 Dec - 09 Jan SWISS
21 Dec - 01 Jan SWISS
26 Dec - 05 Jan SWISS
18 Dec - 07 Jan SWISS
20 Dec - 07 Jan 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.

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