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

Return flights

10 Jul - 29 Jul	Arajet
03 Jul - 21 Aug	Arajet
10 Jul - 05 Aug	Arajet
03 Jul - 07 Jul	Arajet
03 Jul - 12 Jul	Arajet
03 Jul - 13 Jul	Arajet
03 Jul - 06 Jul	Arajet
03 Jul - 24 Jul	Arajet
22 Jul - 06 Aug	Spirit Airlines
02 Jul - 30 Jul	Avianca
04 Jul - 07 Jul	Avianca
04 Jul - 31 Jul	Avianca
09 Jul - 17 Jul	Avianca
23 Jul - 01 Aug	Spirit Airlines
23 Jul - 13 Aug	Avianca
28 Jul - 05 Aug	Avianca
26 Jul - 05 Aug	GOL Linhas Aéreas
19 Jul - 01 Aug	Sky Airline
29 Jul - 05 Aug	Avianca

Also check the deals for one-way flights from Miami to Buenos Aires in July.

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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Cheapest return flights from Miami to Buenos Aires in July from $641

Return flights