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

Return flights

20 Jan - 20 Feb	Avianca
20 Jan - 06 Feb	Avianca
08 Jan - 10 Feb	Arajet
14 Jan - 12 Feb	Copa
11 Jan - 28 Jan	Avianca
16 Jan - 28 Jan	Avianca
17 Jan - 29 Jan	Avianca
21 Jan - 12 Feb	Avianca
19 Jan - 29 Jan	Avianca
19 Jan - 28 Jan	Avianca
21 Jan - 28 Jan	Arajet
09 Jan - 10 Feb	Copa
11 Jan - 10 Feb	Copa
08 Jan - 27 Jan	LATAM Airlines Group
20 Jan - 27 Jan	LATAM Airlines Group
16 Jan - 29 Jan	LATAM Airlines Group
09 Jan - 22 Jan	LATAM Airlines Group
10 Jan - 10 Feb	LATAM Airlines Group
16 Jan - 05 Feb	LATAM Airlines Group
17 Jan - 05 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 539€

Return flights