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

Return flights

01 Dec - 08 Dec	Air Canada
03 Dec - 10 Dec	Lufthansa
02 Dec - 09 Dec	Air France
05 Dec - 12 Dec	KLM
07 Dec - 14 Dec	Air France
08 Dec - 15 Dec	KLM
04 Dec - 11 Dec	WestJet
09 Dec - 16 Dec	Air France
06 Dec - 13 Dec	Air Transat
10 Dec - 17 Dec	Croatia Airlines
30 Dec - 09 Jan	FrenchBee
31 Dec - 07 Jan	Croatia Airlines
29 Dec - 05 Jan	Croatia Airlines
30 Dec - 06 Jan	Croatia Airlines
25 Dec - 01 Jan	Croatia Airlines
24 Dec - 10 Jan	FrenchBee
28 Dec - 04 Jan	Croatia Airlines
26 Dec - 02 Jan	Croatia Airlines
23 Dec - 02 Jan	Croatia Airlines
23 Dec - 03 Jan	Croatia Airlines

Also check the deals for one-way flights from Montreal to Zagreb 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 Zagreb in December from $651

Return flights