Cheapest return flights from Ontario to Istanbul in May from 982€

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

Return flights

16 May - 29 May Turkish Airlines
08 May - 22 May British Airways
16 May - 21 May Turkish Airlines
18 May - 25 May Alaska Airlines
14 May - 21 May Alaska Airlines
15 May - 22 May Alaska Airlines
21 May - 30 May Qatar Airways
17 May - 21 May Turkish Airlines
24 May - 08 Jun Turkish Airlines
13 May - 20 May Qatar Airways
17 May - 24 May Etihad Airways

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

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