AirHint found the following cheapest return flights from Miami (MIA) to Buenos Aires (AEP) in March 2026 (see full year).

Return flights

10 Mar - 24 Mar	Sky Airline
13 Mar - 22 Mar	Sky Airline
13 Mar - 23 Mar	Sky Airline
13 Mar - 27 Mar	Sky Airline
19 Mar - 09 Apr	Sky Airline
05 Mar - 20 Mar	Sky Airline
26 Mar - 01 Apr	Sky Airline
19 Mar - 07 Apr	Sky Airline
12 Mar - 18 Mar	Sky Airline
04 Mar - 25 Mar	Sky Airline
10 Mar - 21 Mar	Sky Airline
14 Mar - 21 Mar	Sky Airline
07 Mar - 15 Mar	Sky Airline

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

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 March from $579

Return flights