Cheapest return flights from Mexico City to Buenos Aires in December from $729

Best time to book flights for Mexico City (MEX) to Buenos Aires (EZE) flights at AirHint

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

Return flights

03 Dec - 10 Dec LATAM Airlines Group
11 Dec - 16 Dec Arajet
09 Dec - 19 Dec Arajet
06 Dec - 12 Dec Arajet
10 Dec - 16 Dec Viva Aerobus
05 Dec - 12 Dec Avianca
20 Dec - 20 Jan Arajet
11 Dec - 15 Dec Arajet
14 Dec - 26 Dec Arajet
13 Dec - 17 Dec Arajet
06 Dec - 13 Dec Avianca
14 Dec - 04 Jan Arajet
21 Dec - 02 Jan Arajet
01 Dec - 01 Jan Aeromexico direct
27 Dec - 13 Jan LATAM Airlines Group
02 Dec - 03 Jan LATAM Airlines Group
27 Dec - 13 Jan Aeromexico direct
20 Dec - 20 Jan Aeromexico direct
22 Dec - 07 Jan LATAM Airlines Group
28 Dec - 10 Jan Aeromexico direct

Also check the deals for one-way flights from Mexico City 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