AirHint found the following cheapest one-way flights from Montreal (YUL) to Istanbul (SAW) in August 2025 (see full year).

One-Way flights

25 Aug	Porter Airlines (Canada) Ltd
23 Aug	Porter Airlines (Canada) Ltd
31 Aug	WestJet
29 Aug	FrenchBee
27 Aug	FrenchBee
24 Aug	Porter Airlines (Canada) Ltd
08 Aug	Porter Airlines (Canada) Ltd
28 Aug	Porter Airlines (Canada) Ltd
20 Aug	TAP
18 Aug	Porter Airlines (Canada) Ltd

Also check the deals for return flights from Montreal to Istanbul in August.

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 one-way flights from Montreal to Istanbul in August from 318€

One-Way flights