Cheapest return flights from Lima to Buenos Aires in December from $448

Best time to book flights for Lima (LIM) to Buenos Aires (AEP) flights at AirHint

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

Return flights

22 Dec - 12 Jan Sky Airline
05 Dec - 09 Dec Aerolineas Argentinas
27 Dec - 01 Jan Sky Airline
22 Dec - 12 Jan Aerolineas Argentinas direct
27 Dec - 05 Jan Aerolineas Argentinas direct
27 Dec - 01 Jan Aerolineas Argentinas direct
01 Dec - 06 Dec Aerolineas Argentinas
14 Dec - 22 Dec LATAM Airlines Group
25 Dec - 29 Dec LATAM Airlines Group
08 Dec - 15 Dec Aerolineas Argentinas direct
25 Dec - 29 Dec Aerolineas Argentinas direct
11 Dec - 05 Jan LATAM Airlines Group
25 Dec - 03 Jan Aerolineas Argentinas direct
14 Dec - 22 Dec Aerolineas Argentinas direct
21 Dec - 29 Dec Sky Airline

Also check the deals for one-way flights from Lima 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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