AirHint found the following cheapest return flights from Montreal (YUL) to Istanbul (IST) in April 2026 (see full year).

Return flights

01 Apr - 05 Apr	FrenchBee
01 Apr - 06 Apr	FrenchBee
01 Apr - 08 Apr	FrenchBee
01 Apr - 12 Apr	FrenchBee
01 Apr - 17 Apr	FrenchBee
29 Apr - 06 May	Air Transat
06 Apr - 13 Apr	FrenchBee
08 Apr - 15 Apr	FrenchBee
07 Apr - 14 Apr	British Airways
13 Apr - 20 Apr	British Airways
07 Apr - 15 Apr	Air Transat
29 Apr - 20 May	FrenchBee
12 Apr - 08 May	FrenchBee
12 Apr - 03 May	WestJet
15 Apr - 08 May	FrenchBee
27 Apr - 04 May	British Airways
30 Apr - 07 May	FrenchBee
30 Apr - 15 May	FrenchBee
24 Apr - 01 May	FrenchBee
28 Apr - 05 May	British Airways

Also check the deals for one-way flights from Montreal to Istanbul in April.

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 April from $688

Return flights