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

Return flights

03 Dec - 12 Dec	Viva
02 Dec - 13 Dec	Viva
01 Dec - 05 Dec	Viva
11 Dec - 15 Dec	Viva
04 Dec - 13 Dec	Air Canada
09 Dec - 26 Dec	Viva
10 Dec - 26 Dec	Delta
12 Dec - 01 Jan	Viva
12 Dec - 26 Dec	Viva
18 Dec - 30 Dec	Delta
12 Dec - 02 Jan	Viva
19 Dec - 04 Jan	Volaris
26 Dec - 02 Jan	Avianca

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

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 Rome in December from 698€

Return flights