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 - 05 Feb	Avianca
27 Jan - 06 Feb	Avianca
29 Jan - 03 Feb	Avianca
29 Jan - 10 Feb	Avianca
20 Jan - 04 Feb	Avianca
23 Jan - 03 Feb	Avianca
26 Jan - 06 Feb	Avianca
08 Jan - 27 Jan	Avianca
08 Jan - 22 Jan	Avianca
29 Jan - 08 Feb	Avianca
30 Jan - 09 Feb	Avianca
30 Jan - 07 Feb	Avianca
19 Jan - 29 Jan	Avianca
15 Jan - 29 Jan	Avianca
20 Jan - 29 Jan	Avianca
19 Jan - 30 Jan	Avianca
15 Jan - 30 Jan	Avianca
09 Jan - 22 Jan	Avianca
12 Jan - 24 Jan	Avianca
22 Jan - 30 Jan	Avianca

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 527€

Return flights