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

Return flights

29 Oct - 29 Nov	KLM
30 Oct - 07 Nov	British Airways
30 Oct - 13 Nov	British Airways
29 Oct - 30 Nov	KLM
29 Oct - 12 Nov	KLM
27 Oct - 02 Nov	Saudia
29 Oct - 02 Nov	Saudia
31 Oct - 14 Nov	Delta
29 Oct - 05 Nov	KLM
31 Oct - 23 Nov	EgyptAir
27 Oct - 31 Oct	Saudia
27 Oct - 29 Oct	Air Canada
25 Oct - 29 Oct	Pegasus Airlines
26 Oct - 31 Oct	AJet
26 Oct - 31 Oct	Turkish Airlines	direct
27 Oct - 31 Oct	Turkish Airlines	direct
27 Oct - 29 Oct	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 639€

Return flights