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

Return flights

24 Oct - 07 Nov	FrenchBee
15 Oct - 05 Nov	FrenchBee
06 Oct - 13 Oct	FrenchBee
08 Oct - 15 Oct	FrenchBee
01 Oct - 15 Oct	FrenchBee
01 Oct - 10 Oct	FrenchBee
24 Oct - 31 Oct	FrenchBee
03 Oct - 10 Oct	FrenchBee
02 Oct - 09 Oct	Air Transat
03 Oct - 15 Oct	FrenchBee
29 Oct - 19 Nov	FrenchBee
29 Oct - 05 Nov	FrenchBee
13 Oct - 20 Oct	FrenchBee
10 Oct - 31 Oct	FrenchBee
31 Oct - 07 Nov	FrenchBee
22 Oct - 05 Nov	FrenchBee
22 Oct - 12 Nov	FrenchBee
26 Oct - 02 Nov	FrenchBee
30 Oct - 06 Nov	Air Transat
07 Oct - 02 Nov	Air Transat

Also check the deals for one-way flights from Montreal to Istanbul 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 Montreal to Istanbul in October from $686

Return flights