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

Return flights

14 Dec - 14 Jan	KLM
24 Dec - 14 Jan	Air France
16 Dec - 16 Jan	Air France
16 Dec - 14 Jan	Air France
25 Dec - 18 Jan	British Airways
16 Dec - 12 Jan	Air France
23 Dec - 14 Jan	KLM
16 Dec - 17 Jan	Air France
16 Dec - 10 Jan	British Airways
17 Dec - 18 Jan	Air France
17 Dec - 27 Dec	Air France
14 Dec - 24 Dec	KLM
07 Dec - 12 Dec	Turkish Airlines	direct
14 Dec - 24 Dec	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Montreal 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 Istanbul to Montreal in December from 368€

Return flights