Cheapest return flights from Miami to Buenos Aires in December from $790

Best time to book flights for Miami (MIA) to Buenos Aires (AEP) flights at AirHint

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

Return flights

02 Dec - 14 Dec Arajet
26 Dec - 15 Jan LATAM Airlines Group
29 Dec - 23 Jan LATAM Airlines Group
30 Dec - 26 Jan LATAM Airlines Group
13 Dec - 17 Dec LATAM Airlines Group
25 Dec - 02 Jan Arajet
18 Dec - 27 Dec Arajet
18 Dec - 28 Dec Arajet
20 Dec - 05 Jan Arajet
07 Dec - 28 Jan LATAM Airlines Group
25 Dec - 03 Jan Arajet
17 Dec - 26 Dec Sky Airline
23 Dec - 03 Jan Arajet
20 Dec - 28 Dec LATAM Airlines Group

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

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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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