AirHint found the following cheapest return flights from Lima (LIM) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

27 Jan - 07 Feb	JetSmart
27 Jan - 01 Feb	JetSmart
27 Jan - 11 Feb	JetSmart
27 Jan - 05 Feb	JetSmart
27 Jan - 08 Feb	JetSmart
06 Jan - 11 Jan	JetSmart
06 Jan - 12 Jan	JetSmart
02 Jan - 05 Jan	JetSmart
02 Jan - 11 Jan	JetSmart
02 Jan - 12 Jan	JetSmart
07 Jan - 11 Jan	JetSmart
07 Jan - 12 Jan	JetSmart
06 Jan - 15 Jan	JetSmart
06 Jan - 21 Jan	JetSmart
01 Jan - 08 Jan	JetSmart
15 Jan - 01 Feb	JetSmart
15 Jan - 05 Feb	JetSmart
27 Jan - 10 Feb	JetSmart
27 Jan - 09 Feb	JetSmart
20 Jan - 07 Feb	JetSmart

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

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 Lima to Buenos Aires in January from $383

Return flights