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

Return flights

24 May - 31 May	Air Transat
25 May - 01 Jun	Air Transat
01 May - 08 May	Air Transat
05 May - 12 May	Air Transat
14 May - 21 May	Air Transat
08 May - 31 May	FrenchBee
23 May - 30 May	Air Transat
06 May - 13 May	Air Transat
04 May - 11 May	Air Transat
13 May - 20 May	Air Transat
10 May - 18 May	Air Transat
31 May - 14 Jun	Air Transat
31 May - 07 Jun	Air Transat
27 May - 03 Jun	Air Transat
28 May - 04 Jun	Air Transat
26 May - 02 Jun	Air Transat
30 May - 06 Jun	FrenchBee
29 May - 05 Jun	Air Transat
23 May - 02 Jun	FrenchBee

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

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 May from $704

Return flights