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

Return flights

01 Jan - 09 Feb	LATAM Airlines Group
07 Jan - 10 Feb	Aeromexico
23 Jan - 02 Feb	LATAM Airlines Group
15 Jan - 24 Jan	LATAM Airlines Group
29 Jan - 15 Feb	LATAM Airlines Group
15 Jan - 29 Jan	LATAM Airlines Group
05 Jan - 03 Feb	LATAM Airlines Group
10 Jan - 17 Jan	Avianca
15 Jan - 19 Jan	Avianca
15 Jan - 21 Jan	Avianca
15 Jan - 23 Jan	Avianca
15 Jan - 22 Jan	Avianca
12 Jan - 21 Jan	Avianca
01 Jan - 23 Jan	Avianca
12 Jan - 23 Jan	Avianca
17 Jan - 02 Feb	LATAM Airlines Group
17 Jan - 07 Feb	LATAM Airlines Group
30 Jan - 10 Feb	LATAM Airlines Group
31 Jan - 11 Feb	Avianca
24 Jan - 02 Feb	LATAM Airlines Group

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 548€

Return flights