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

Return flights

20 Jan - 20 Feb	Sky Airline
22 Jan - 24 Feb	LATAM Airlines Group
22 Jan - 15 Feb	Sky Airline
18 Jan - 08 Feb	JetSmart
20 Jan - 08 Feb	JetSmart
20 Jan - 10 Feb	JetSmart
21 Jan - 08 Feb	JetSmart
21 Jan - 10 Feb	JetSmart
20 Jan - 08 Feb	JetSmart	direct
20 Jan - 10 Feb	JetSmart	direct
17 Jan - 28 Jan	JetSmart	direct
20 Jan - 27 Jan	LATAM Airlines Group
20 Jan - 27 Jan	JetSmart	direct
18 Jan - 28 Jan	JetSmart
20 Jan - 28 Jan	JetSmart
13 Jan - 28 Jan	JetSmart
15 Jan - 28 Jan	JetSmart
17 Jan - 23 Jan	Sky Airline
17 Jan - 30 Jan	JetSmart	direct
20 Jan - 28 Jan	JetSmart	direct

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 343€

Return flights