Cheapest return flights from Monterrey to Buenos Aires in December from $1009

Best time to book flights for Monterrey (MTY) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Monterrey (MTY) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

08 Dec - 20 Dec Volaris
26 Dec - 02 Jan Volaris
18 Dec - 25 Dec LATAM Airlines Group
18 Dec - 07 Jan LATAM Airlines Group
17 Dec - 03 Jan LATAM Airlines Group
18 Dec - 03 Jan LATAM Airlines Group
19 Dec - 07 Jan LATAM Airlines Group
28 Dec - 04 Jan LATAM Airlines Group
19 Dec - 02 Jan LATAM Airlines Group
19 Dec - 03 Jan LATAM Airlines Group

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

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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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