Cheapest return flights from Ontario to Istanbul in June from $1475

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 June 2025 (see full year).

Return flights

02 Jun - 23 Jun Turkish Airlines
10 Jun - 04 Jul Turkish Airlines
13 Jun - 22 Jun Turkish Airlines
02 Jun - 30 Jun Turkish Airlines
10 Jun - 17 Jun jetBlue
08 Jun - 17 Jun Turkish Airlines
10 Jun - 10 Jul jetBlue
27 Jun - 17 Jul Turkish Airlines
30 Jun - 12 Jul Turkish Airlines
04 Jun - 18 Jun KLM
17 Jun - 08 Jul KLM
18 Jun - 02 Jul Turkish Airlines
11 Jun - 20 Jun Qatar Airways
07 Jun - 07 Jul KLM
16 Jun - 26 Jun KLM
04 Jun - 12 Jun Turkish Airlines
30 Jun - 06 Jul Turkish Airlines
21 Jun - 17 Jul KLM
25 Jun - 06 Jul Turkish Airlines
07 Jun - 21 Jun KLM

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

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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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