Cheapest one-way flights from Lima to Buenos Aires in September from $185

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

AirHint found the following cheapest one-way flights from Lima (LIM) to Buenos Aires (AEP) in September 2025 (see full year).

One-Way flights

15 Sep Aerolineas Argentinas direct
20 Sep Aerolineas Argentinas direct
08 Sep Aerolineas Argentinas direct
08 Sep LATAM Airlines Group
17 Sep LATAM Airlines Group direct

Also check the deals for return flights from Lima to Buenos Aires in September.

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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