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

Return flights

01 Dec - 08 Dec	Arajet
14 Dec - 12 Jan	Arajet
10 Dec - 31 Dec	Arajet
10 Dec - 05 Jan	Arajet
29 Dec - 20 Jan	Arajet
13 Dec - 18 Dec	LATAM Airlines Group	direct
24 Dec - 28 Jan	Avianca
23 Dec - 30 Jan	Avianca
22 Dec - 28 Jan	Avianca
22 Dec - 29 Jan	Avianca
22 Dec - 30 Jan	Avianca
23 Dec - 28 Jan	Avianca
23 Dec - 29 Jan	Avianca
17 Dec - 20 Dec	Arajet
19 Dec - 26 Dec	Arajet
18 Dec - 27 Dec	Arajet
13 Dec - 27 Dec	Arajet
19 Dec - 29 Dec	Arajet
04 Dec - 28 Dec	LATAM Airlines Group
13 Dec - 27 Dec	LATAM Airlines Group	direct

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

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

Cheapest return flights from Miami to Buenos Aires in December from 623€

Return flights