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

Return flights

17 Oct - 05 Nov	Icelandair
17 Oct - 29 Oct	Icelandair
20 Oct - 29 Oct	Icelandair
24 Oct - 29 Oct	Icelandair
15 Oct - 07 Nov	Air France
15 Oct - 25 Oct	Air France
20 Oct - 03 Nov	KLM
16 Oct - 23 Oct	Air France
27 Oct - 05 Nov	Icelandair
06 Oct - 21 Oct	KLM
03 Oct - 15 Oct	Icelandair
13 Oct - 19 Oct	Air France
07 Oct - 28 Oct	KLM
13 Oct - 24 Oct	Air France
04 Oct - 27 Nov	Air France
20 Oct - 26 Nov	KLM
05 Oct - 28 Nov	Air Canada
15 Oct - 07 Nov	Turkish Airlines	direct
27 Oct - 05 Nov	Turkish Airlines	direct
20 Oct - 26 Nov	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Toronto in October.

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 October from 343€

Return flights