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

Return flights

17 Mar - 28 Mar	Sky Airline
26 Mar - 29 Mar	Sky Airline
12 Mar - 18 Mar	Sky Airline
20 Mar - 23 Mar	Sky Airline
30 Mar - 18 Apr	JetSmart
24 Mar - 30 Mar	Sky Airline	direct
20 Mar - 24 Mar	Sky Airline
20 Mar - 28 Mar	Sky Airline
19 Mar - 24 Mar	Sky Airline
22 Mar - 27 Mar	Sky Airline
17 Mar - 24 Mar	Sky Airline
31 Mar - 07 Apr	Sky Airline
30 Mar - 17 Apr	JetSmart
30 Mar - 03 Apr	JetSmart
28 Mar - 03 Apr	Sky Airline	direct
30 Mar - 09 Apr	JetSmart
30 Mar - 11 Apr	JetSmart
30 Mar - 08 Apr	JetSmart
17 Mar - 16 Apr	Sky Airline
27 Mar - 12 Apr	LATAM Airlines Group

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

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 March from 262€

Return flights