Cheapest return flights from Mexico City to Buenos Aires in December from 547€

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

Return flights

05 Dec - 11 Dec Avianca
02 Dec - 04 Dec Avianca
02 Dec - 09 Dec Avianca
03 Dec - 06 Dec Avianca
09 Dec - 12 Dec Avianca
02 Dec - 08 Dec Avianca
02 Dec - 11 Dec Avianca
03 Dec - 07 Dec Avianca
03 Dec - 08 Dec Avianca
02 Dec - 06 Dec Avianca
30 Dec - 23 Jan LATAM Airlines Group
15 Dec - 21 Jan LATAM Airlines Group
16 Dec - 20 Jan LATAM Airlines Group
05 Dec - 20 Jan LATAM Airlines Group
24 Dec - 27 Jan LATAM Airlines Group
27 Dec - 26 Jan LATAM Airlines Group
30 Dec - 22 Jan LATAM Airlines Group
28 Dec - 23 Jan LATAM Airlines Group
31 Dec - 13 Jan Aeromexico
28 Dec - 25 Jan LATAM Airlines Group

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.