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

Return flights

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

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 631€

Return flights