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

Return flights

09 Dec - 16 Dec	KLM
30 Dec - 20 Jan	FrenchBee
12 Dec - 19 Dec	Air France
31 Dec - 13 Jan	Air Canada
31 Dec - 14 Jan	Air Canada	direct
10 Dec - 17 Dec	KLM
30 Dec - 16 Jan	FrenchBee
07 Dec - 12 Dec	TAP
30 Dec - 13 Jan	FrenchBee
28 Dec - 14 Jan	Air Canada	direct
28 Dec - 17 Jan	Lufthansa	direct
11 Dec - 17 Dec	Air Transat
24 Dec - 10 Jan	Porter Airlines (Canada) Ltd
11 Dec - 18 Dec	Porter Airlines (Canada) Ltd
15 Dec - 16 Jan	Azores Airlines
14 Dec - 12 Jan	Air Transat
08 Dec - 20 Dec	TAP
14 Dec - 21 Dec	Air Transat
15 Dec - 24 Dec	TAP
13 Dec - 20 Dec	Air Transat

Also check the deals for one-way flights from Montreal 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 Montreal to Rome in December from 537€

Return flights