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

Return flights

02 Dec - 09 Dec	Air France
03 Dec - 10 Dec	Air France
07 Dec - 14 Dec	Air France
09 Dec - 16 Dec	Air France
08 Dec - 15 Dec	Air Canada
01 Dec - 08 Dec	KLM
05 Dec - 12 Dec	KLM
04 Dec - 11 Dec	Air France
10 Dec - 17 Dec	Lufthansa
06 Dec - 13 Dec	KLM
31 Dec - 07 Jan	Lufthansa
26 Dec - 02 Jan	KLM
30 Dec - 06 Jan	KLM
29 Dec - 05 Jan	Air Canada
25 Dec - 01 Jan	Air Canada
28 Dec - 04 Jan	Lufthansa
27 Dec - 03 Jan	Air Canada

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 579€

Return flights