Cheapest return flights from Ontario to Istanbul in April from $1059

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 April 2025 (see full year).

Return flights

18 Apr - 18 May Qatar Airways
30 Apr - 11 May Qatar Airways
25 Apr - 09 May Qatar Airways
10 Apr - 23 Apr Delta
28 Apr - 05 May Qatar Airways
26 Apr - 03 May Qatar Airways
21 Apr - 11 May British Airways
16 Apr - 01 May Qatar Airways
08 Apr - 17 Apr Alaska Airlines
07 Apr - 17 Apr Alaska Airlines
30 Apr - 16 May jetBlue
21 Apr - 05 May Alaska Airlines
08 Apr - 16 Apr Qatar Airways
25 Apr - 17 May Alaska Airlines
07 Apr - 12 Apr Alaska Airlines
08 Apr - 12 Apr Alaska Airlines
12 Apr - 21 Apr Alaska Airlines
14 Apr - 21 Apr Qatar Airways
10 Apr - 17 Apr Qatar Airways
09 Apr - 17 Apr Alaska Airlines

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

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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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