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

Return flights

05 Dec - 29 Jan	KLM
03 Dec - 14 Jan	KLM
05 Dec - 30 Jan	KLM
10 Dec - 31 Dec	KLM
01 Dec - 07 Dec	KLM
05 Dec - 07 Dec	KLM
01 Dec - 09 Dec	KLM
02 Dec - 09 Dec	KLM
02 Dec - 08 Dec	KLM
03 Dec - 10 Dec	British Airways
16 Dec - 24 Dec	Air Transat	direct
03 Dec - 14 Dec	British Airways
10 Dec - 14 Dec	British Airways
19 Dec - 11 Jan	Pegasus Airlines
22 Dec - 03 Jan	Air Transat	direct
22 Dec - 12 Jan	Pegasus Airlines
16 Dec - 01 Jan	Air Transat	direct
22 Dec - 12 Jan	Air Transat	direct
22 Dec - 07 Jan	Air Transat	direct
05 Dec - 30 Jan	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Toronto 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 Toronto in December from 397€

Return flights