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

Return flights

07 Dec - 27 Dec	Air Canada
19 Dec - 04 Jan	Air Transat
01 Dec - 21 Dec	Emirates
01 Dec - 17 Dec	Emirates
02 Dec - 09 Dec	Emirates
01 Dec - 15 Dec	Emirates
08 Dec - 14 Dec	Emirates
01 Dec - 09 Dec	Emirates
11 Dec - 03 Jan	Air Canada
01 Dec - 26 Jan	Emirates
02 Dec - 23 Dec	Emirates
02 Dec - 18 Dec	Emirates
02 Dec - 10 Dec	Emirates
11 Dec - 12 Jan	Emirates
07 Dec - 11 Jan	Emirates
09 Dec - 04 Jan	Emirates
10 Dec - 04 Jan	Emirates
13 Dec - 11 Jan	Emirates
12 Dec - 04 Jan	Emirates
13 Dec - 04 Jan	Emirates

Also check the deals for one-way flights from Toronto to Istanbul 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 Toronto to Istanbul in December from $815

Return flights