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

Return flights

07 Oct - 21 Oct	Sky Airline
06 Oct - 14 Oct	Sky Airline
04 Oct - 14 Oct	Sky Airline
01 Oct - 08 Oct	Sky Airline
06 Oct - 10 Oct	Sky Airline
03 Oct - 16 Oct	Sky Airline
24 Oct - 16 Nov	Sky Airline
07 Oct - 19 Oct	Sky Airline
04 Oct - 20 Oct	Sky Airline
18 Oct - 31 Oct	Arajet
18 Oct - 26 Nov	Arajet
21 Oct - 28 Oct	Arajet
24 Oct - 15 Nov	Sky Airline
23 Oct - 26 Nov	Arajet
16 Oct - 03 Nov	Arajet
31 Oct - 11 Nov	Avianca
17 Oct - 09 Nov	Avianca
15 Oct - 03 Nov	Avianca
30 Oct - 10 Nov	GOL Linhas Aéreas
11 Oct - 22 Nov	Volaris Costa Rica

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

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 October from $528

Return flights