Cheapest return flights from Miami to Buenos Aires in September from 490€

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

Return flights

01 Sep - 10 Sep LATAM Airlines Group
01 Sep - 07 Sep LATAM Airlines Group
11 Sep - 14 Sep LATAM Airlines Group
03 Sep - 04 Oct LATAM Airlines Group
17 Sep - 21 Sep LATAM Airlines Group
25 Sep - 20 Oct LATAM Airlines Group
20 Sep - 30 Sep GOL Linhas Aéreas
01 Sep - 04 Sep Avianca
30 Sep - 05 Oct Sky Airline
03 Sep - 10 Sep Sky Airline
10 Sep - 10 Oct Avianca
08 Sep - 22 Sep Avianca
05 Sep - 08 Sep Avianca
11 Sep - 16 Sep Sky Airline

Also check the deals for one-way flights from Miami 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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