Cheapest return flights from Ontario to Istanbul in May from $1103

Best time to book flights for Ontario (ONT) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Istanbul (IST) in May 2025 (see full year).

Return flights

06 May - 13 May Qatar Airways
21 May - 28 May jetBlue
05 May - 02 Jun Qatar Airways
12 May - 19 May jetBlue
20 May - 30 May jetBlue
05 May - 22 Jun Qatar Airways
10 May - 19 May jetBlue
10 May - 20 May jetBlue
09 May - 16 May jetBlue
01 May - 09 May jetBlue
15 May - 29 May jetBlue
23 May - 06 Jun Alaska Airlines
19 May - 02 Jun jetBlue
04 May - 14 May jetBlue
04 May - 01 Jun jetBlue
26 May - 09 Jun Etihad Airways
29 May - 06 Jun British Airways
23 May - 14 Jun jetBlue
25 May - 30 Jun jetBlue

Also check the deals for one-way flights from Ontario 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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