AirHint found the following cheapest return flights from Ottawa (YOW) to Istanbul (IST) in December 2025 (see full year).
Return flights
| 08 Dec - 15 Dec | Porter Airlines (Canada) Ltd | ||
| 19 Dec - 10 Jan | Porter Airlines (Canada) Ltd | ||
| 26 Dec - 03 Jan | WestJet | ||
| 27 Dec - 03 Jan | WestJet | ||
| 19 Dec - 03 Jan | Porter Airlines (Canada) Ltd |
Also check the deals for one-way flights from Ottawa to Istanbul in December.
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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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