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

Return flights

01 Dec - 29 Jan	Iberia
05 Dec - 07 Dec	Air Canada
03 Dec - 10 Dec	Air Canada
04 Dec - 07 Dec	Air Canada
05 Dec - 08 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
01 Dec - 07 Dec	Air Canada
02 Dec - 11 Dec	Iberia
08 Dec - 12 Jan	Viva
04 Dec - 09 Dec	Air Canada
01 Dec - 08 Dec	Air Canada
01 Dec - 12 Dec	Iberia
07 Dec - 12 Jan	Air Canada
08 Dec - 11 Jan	Viva
10 Dec - 30 Jan	British Airways
27 Dec - 12 Jan	Viva
28 Dec - 19 Jan	Iberia
29 Dec - 13 Jan	Iberia
27 Dec - 17 Jan	Iberia
21 Dec - 21 Jan	British Airways

Also check the deals for one-way flights from Mexico City 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 Mexico City to Rome in December from $706

Return flights