Cheapest return flights from Lima to Buenos Aires in December from $317

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

Return flights

03 Dec - 06 Dec Sky Airline
02 Dec - 07 Dec LATAM Airlines Group
03 Dec - 06 Dec Sky Airline direct
05 Dec - 08 Dec Sky Airline direct
04 Dec - 07 Dec JetSmart direct
03 Dec - 05 Dec JetSmart direct
03 Dec - 07 Dec JetSmart direct
02 Dec - 07 Dec JetSmart direct
05 Dec - 06 Dec Sky Airline direct
04 Dec - 06 Dec Sky Airline direct
15 Dec - 25 Jan LATAM Airlines Group
30 Dec - 10 Jan LATAM Airlines Group
03 Dec - 01 Jan Aerolineas Argentinas
02 Dec - 01 Jan Sky Airline
20 Dec - 21 Jan Aerolineas Argentinas
15 Dec - 25 Jan JetSmart direct
27 Dec - 09 Jan JetSmart
25 Dec - 01 Jan LATAM Airlines Group
25 Dec - 16 Jan LATAM Airlines Group
06 Dec - 16 Jan LATAM Airlines Group

Also check the deals for one-way flights from Lima to Buenos Aires in December.

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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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