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

Return flights

29 Jan - 05 Feb	Volaris
09 Jan - 22 Jan	Viva
05 Jan - 19 Jan	Viva
14 Jan - 23 Jan	Aeromexico
08 Jan - 20 Jan	Aeromexico
15 Jan - 05 Feb	Viva
22 Jan - 05 Feb	Viva
15 Jan - 18 Jan	Copa
10 Jan - 22 Jan	Viva
15 Jan - 22 Jan	Viva
08 Jan - 18 Jan	Viva
08 Jan - 22 Jan	Viva
15 Jan - 29 Jan	Viva
29 Jan - 01 Feb	Viva
22 Jan - 01 Feb	Viva
29 Jan - 08 Feb	Viva
22 Jan - 08 Feb	Viva

Also check the deals for one-way flights from Monterrey 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 Monterrey to Buenos Aires in January from $748

Return flights