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

Return flights

02 Mar - 09 Mar	Avianca
11 Mar - 18 Mar	Avianca
15 Mar - 22 Mar	Avianca
13 Mar - 22 Mar	Avianca
12 Mar - 19 Mar	Copa
05 Mar - 12 Mar	Copa
02 Mar - 15 Mar	Avianca
04 Mar - 05 Mar	Copa
23 Mar - 03 Apr	Avianca
27 Mar - 10 Apr	Viva
28 Mar - 04 Apr	Viva
28 Mar - 05 Apr	Viva
28 Mar - 11 Apr	Viva
26 Mar - 13 Apr	Copa
22 Mar - 28 Mar	Copa
21 Mar - 23 Mar	Copa
22 Mar - 11 Apr	Viva
22 Mar - 04 Apr	Viva
22 Mar - 05 Apr	Viva
22 Mar - 02 Apr	Viva

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

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 March from 582€

Return flights