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

Return flights

21 Apr - 28 Apr	British Airways
26 Apr - 06 May	British Airways
19 Apr - 26 Apr	TAP
26 Apr - 03 May	TAP
15 Apr - 22 Apr	Air Canada
20 Apr - 27 Apr	British Airways
29 Apr - 06 May	TAP
01 Apr - 08 Apr	TAP
08 Apr - 15 Apr	TAP
19 Apr - 06 May	TAP
16 Apr - 03 May	Azores Airlines
16 Apr - 23 Apr	Lufthansa
17 Apr - 24 Apr	TAP
10 Apr - 17 Apr	TAP
05 Apr - 12 Apr	TAP
26 Apr - 09 May	TAP
24 Apr - 01 May	TAP
17 Apr - 03 May	TAP
27 Apr - 04 May	Air Canada
20 Apr - 12 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Montreal to Istanbul in April from 993CAD

Return flights