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

Return flights

01 Apr - 08 Apr	FrenchBee
08 Apr - 29 Apr	Air Transat
10 Apr - 17 Apr	Air Transat
22 Apr - 29 Apr	Air Transat
29 Apr - 06 May	Air Transat
15 Apr - 22 Apr	Air Transat
27 Apr - 04 May	FrenchBee
08 Apr - 15 Apr	Air Transat
01 Apr - 12 Apr	FrenchBee
03 Apr - 10 Apr	FrenchBee
12 Apr - 19 Apr	FrenchBee
26 Apr - 03 May	TAP
20 Apr - 27 Apr	British Airways
28 Apr - 05 May	KLM
30 Apr - 07 May	KLM
14 Apr - 09 May	KLM
27 Apr - 14 May	Air France
24 Apr - 01 May	FrenchBee
25 Apr - 02 May	KLM
29 Apr - 06 May	Turkish Airlines	direct

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 601€

Return flights