AirHint found the following cheapest return flights from Mexico City (MEX) to Buenos Aires (EZE) in January 2026 (see full year).

Return flights

10 Jan - 29 Jan	Avianca
01 Jan - 27 Jan	LATAM Airlines Group
22 Jan - 29 Jan	Avianca
16 Jan - 29 Jan	Avianca
19 Jan - 29 Jan	Avianca
01 Jan - 02 Feb	LATAM Airlines Group
01 Jan - 25 Jan	Copa
22 Jan - 08 Feb	Arajet
19 Jan - 14 Feb	Avianca
15 Jan - 28 Jan	Arajet
26 Jan - 27 Feb	Aeromexico
27 Jan - 10 Feb	LATAM Airlines Group
12 Jan - 24 Jan	Aeromexico
26 Jan - 17 Feb	Aeromexico
26 Jan - 16 Feb	Aeromexico
27 Jan - 17 Feb	LATAM Airlines Group
02 Jan - 31 Jan	Avianca
08 Jan - 22 Jan	Arajet
25 Jan - 14 Feb	Copa
25 Jan - 15 Feb	Copa

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

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 Mexico City to Buenos Aires in January from $729

Return flights