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

Return flights

03 Apr - 19 Apr	Volaris
09 Apr - 16 Apr	Volaris
08 Apr - 16 Apr	Viva
23 Apr - 27 Apr	Aeromexico
25 Apr - 05 May	Aeromexico
29 Apr - 07 May	Aeromexico
23 Apr - 06 May	Aeromexico
30 Apr - 11 May	Aeromexico
08 Apr - 22 Apr	Copa
01 Apr - 13 Apr	Volaris
09 Apr - 19 Apr	Viva
25 Apr - 09 May	Viva
25 Apr - 12 May	Viva
23 Apr - 09 May	Viva
23 Apr - 12 May	Viva
30 Apr - 09 May	Viva
30 Apr - 12 May	Viva
05 Apr - 19 Apr	Viva
05 Apr - 16 Apr	Viva
09 Apr - 11 Apr	Viva

Also check the deals for one-way flights from Monterrey to Buenos Aires in April.

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 April from $755

Return flights