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

Return flights

10 Dec - 25 Dec	LATAM Airlines Group
09 Dec - 27 Dec	LATAM Airlines Group
18 Dec - 05 Jan	LATAM Airlines Group
10 Dec - 28 Dec	Avianca
11 Dec - 28 Dec	Avianca
02 Dec - 25 Dec	Avianca
08 Dec - 30 Dec	Avianca
06 Dec - 11 Dec	Avianca
12 Dec - 28 Dec	LATAM Airlines Group
13 Dec - 28 Dec	LATAM Airlines Group
12 Dec - 26 Dec	Avianca
24 Dec - 20 Jan	LATAM Airlines Group
12 Dec - 04 Jan	Avianca
22 Dec - 24 Jan	LATAM Airlines Group
23 Dec - 06 Jan	LATAM Airlines Group
23 Dec - 20 Jan	Avianca
29 Dec - 05 Jan	LATAM Airlines Group
23 Dec - 22 Jan	LATAM Airlines Group
17 Dec - 03 Jan	Aeromexico	direct
18 Dec - 02 Jan	Avianca

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

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Cheapest return flights from Buenos Aires to Mexico City in December from $646

Return flights