Cheapest return flights from Miami to Buenos Aires in September from $614

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

Return flights

19 Sep - 21 Sep LATAM Airlines Group
28 Sep - 15 Oct Arajet
27 Sep - 15 Oct Arajet
25 Sep - 30 Sep Arajet
05 Sep - 07 Sep Sky Airline
28 Sep - 19 Oct Arajet
28 Sep - 14 Oct Arajet
29 Sep - 15 Oct Avianca
27 Sep - 04 Oct Arajet
15 Sep - 22 Sep Aerolineas Argentinas direct
13 Sep - 20 Sep Aerolineas Argentinas direct
08 Sep - 19 Sep Aerolineas Argentinas direct
06 Sep - 08 Sep Aerolineas Argentinas direct
06 Sep - 08 Sep Volaris Costa Rica
05 Sep - 15 Sep Sky Airline
16 Sep - 30 Sep Aerolineas Argentinas direct
30 Sep - 07 Oct Sky Airline
30 Sep - 04 Oct Sky Airline
30 Sep - 06 Oct Sky Airline
29 Sep - 10 Oct Avianca

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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