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

Return flights

02 Dec - 16 Dec	WestJet
03 Dec - 13 Dec	WestJet
01 Dec - 11 Dec	WestJet
08 Dec - 22 Dec	WestJet
09 Dec - 23 Dec	WestJet
03 Dec - 17 Dec	WestJet
10 Dec - 19 Dec	WestJet
10 Dec - 17 Dec	WestJet
10 Dec - 24 Dec	Air Canada
16 Dec - 05 Jan	WestJet
24 Dec - 11 Jan	KLM
17 Dec - 24 Dec	Air Canada
25 Dec - 04 Jan	Air Canada
19 Dec - 03 Jan	WestJet
26 Dec - 03 Jan	Lufthansa
27 Dec - 03 Jan	KLM

Also check the deals for one-way flights from Calgary 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 Calgary to Rome in December from 421€

Return flights