Cheapest return flights from Miami to Buenos Aires in December from $729

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

18 Dec - 28 Dec Arajet
03 Dec - 20 Dec LATAM Airlines Group
27 Dec - 14 Jan LATAM Airlines Group
18 Dec - 27 Dec Arajet
26 Dec - 09 Jan LATAM Airlines Group
28 Dec - 18 Jan LATAM Airlines Group
16 Dec - 26 Dec Arajet
23 Dec - 30 Dec Arajet
23 Dec - 03 Jan Arajet
20 Dec - 03 Jan Arajet
26 Dec - 03 Jan Sky Airline
19 Dec - 03 Jan Sky Airline
13 Dec - 02 Jan LATAM Airlines Group
14 Dec - 01 Jan LATAM Airlines Group

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires