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

Return flights

03 May - 24 May	Aeromexico
09 May - 10 May	Aeromexico
03 May - 09 May	Aeromexico
05 May - 12 May	Aeromexico
20 May - 25 May	Aeromexico
04 May - 11 May	Aeromexico
22 May - 27 May	Copa
14 May - 30 May	Copa
21 May - 08 Jun	Volaris
29 May - 07 Jun	Avianca
28 May - 01 Jun	Aeromexico
09 May - 12 May	Viva
07 May - 10 May	Viva
28 May - 07 Jun	Viva
28 May - 04 Jun	Viva
21 May - 07 Jun	Viva
21 May - 04 Jun	Viva
14 May - 04 Jun	Viva

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

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 May from $803

Return flights