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

Return flights

03 Dec - 10 Dec	Air Canada
07 Dec - 15 Dec	Air Canada
03 Dec - 15 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
01 Dec - 08 Dec	Air Canada
01 Dec - 15 Dec	Air Canada
04 Dec - 11 Dec	Air Canada
05 Dec - 15 Dec	Air Canada
08 Dec - 15 Dec	Air Canada
04 Dec - 10 Dec	Air Canada
25 Dec - 16 Jan	Lufthansa
10 Dec - 12 Jan	Air Canada
07 Dec - 05 Jan	Air Canada
25 Dec - 12 Jan	Lufthansa
08 Dec - 10 Jan	Delta
22 Dec - 22 Jan	KLM
31 Dec - 08 Jan	Delta
31 Dec - 09 Jan	Finnair
15 Dec - 15 Jan	Delta
23 Dec - 07 Jan	Aeromexico

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 $693

Return flights