Cheapest return flights from Lima to Buenos Aires in September from 434€

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

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

Return flights

12 Sep - 22 Sep LATAM Airlines Group
18 Sep - 22 Sep LATAM Airlines Group
15 Sep - 19 Sep LATAM Airlines Group
08 Sep - 14 Sep LATAM Airlines Group
18 Sep - 22 Sep Aerolineas Argentinas direct
12 Sep - 22 Sep Aerolineas Argentinas direct
05 Sep - 14 Sep Aerolineas Argentinas direct
15 Sep - 19 Sep Aerolineas Argentinas direct
08 Sep - 14 Sep Aerolineas Argentinas direct

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

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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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