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

Return flights

09 Jul - 17 Jul	Qatar Airways
21 Jul - 31 Jul	jetBlue
20 Jul - 31 Jul	jetBlue
23 Jul - 30 Jul	Alaska Airlines
05 Jul - 15 Jul	Qatar Airways
14 Jul - 21 Jul	Qatar Airways
21 Jul - 04 Aug	jetBlue
19 Jul - 09 Aug	jetBlue
06 Jul - 21 Jul	Qatar Airways
15 Jul - 06 Aug	jetBlue
17 Jul - 24 Jul	Alaska Airlines
04 Jul - 13 Jul	Qatar Airways
26 Jul - 12 Aug	Alaska Airlines
16 Jul - 04 Aug	jetBlue
31 Jul - 13 Aug	Alaska Airlines
12 Jul - 19 Jul	Alaska Airlines
15 Jul - 05 Aug	Alaska Airlines
13 Jul - 01 Aug	jetBlue
25 Jul - 24 Aug	jetBlue
28 Jul - 03 Aug	Qatar Airways

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

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Ontario to Istanbul in July from $1052

Return flights