Cheapest return flights from Toronto to Istanbul in May from $823

AirHint found the following cheapest return flights from Toronto (YTZ) to Istanbul (IST) in May 2026 (see full year).

Return flights

04 May - 07 May Porter Airlines (Canada) Ltd
17 May - 30 May Air Transat
04 May - 10 May Porter Airlines (Canada) Ltd
01 May - 07 May Porter Airlines (Canada) Ltd
05 May - 13 May Porter Airlines (Canada) Ltd
05 May - 10 May Porter Airlines (Canada) Ltd
17 May - 22 May Porter Airlines (Canada) Ltd
07 May - 12 May Porter Airlines (Canada) Ltd
12 May - 22 May Porter Airlines (Canada) Ltd
19 May - 27 May Air Transat
27 May - 01 Jun Porter Airlines (Canada) Ltd
14 May - 04 Jun Porter Airlines (Canada) Ltd
24 May - 14 Jun Porter Airlines (Canada) Ltd
26 May - 17 Jun Porter Airlines (Canada) Ltd
21 May - 06 Jun Air Transat
16 May - 07 Jun Porter Airlines (Canada) Ltd
09 May - 03 Jun Porter Airlines (Canada) Ltd
24 May - 16 Jun Air Transat
26 May - 18 Jun Porter Airlines (Canada) Ltd
28 May - 20 Jun Air Transat

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

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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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