Cheapest return flights from Los Angeles to Buenos Aires in September from 638€

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

Return flights

08 Sep - 16 Sep LATAM Airlines Group
11 Sep - 21 Sep LATAM Airlines Group
29 Sep - 09 Oct LATAM Airlines Group
04 Sep - 13 Sep LATAM Airlines Group
26 Sep - 29 Sep LATAM Airlines Group
10 Sep - 24 Sep LATAM Airlines Group
23 Sep - 22 Oct Copa
23 Sep - 06 Oct Copa
06 Sep - 07 Sep LATAM Airlines Group
27 Sep - 11 Oct Delta

Also check the deals for one-way flights from Los Angeles 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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