Cheapest return flights from Ottawa to Istanbul in April from $619

AirHint found the following cheapest return flights from Ottawa (YOW) to Istanbul (IST) in April 2026 (see full year).

Return flights

20 Apr - 28 Apr Porter Airlines (Canada) Ltd
13 Apr - 28 Apr WestJet
20 Apr - 27 Apr Porter Airlines (Canada) Ltd
14 Apr - 28 Apr Porter Airlines (Canada) Ltd
15 Apr - 28 Apr Porter Airlines (Canada) Ltd
13 Apr - 04 May WestJet
13 Apr - 05 May WestJet
20 Apr - 11 May Porter Airlines (Canada) Ltd
13 Apr - 10 May WestJet
20 Apr - 12 May Porter Airlines (Canada) Ltd
28 Apr - 05 May WestJet
20 Apr - 07 May Porter Airlines (Canada) Ltd
28 Apr - 13 May WestJet
14 Apr - 05 May Porter Airlines (Canada) Ltd
28 Apr - 12 May Porter Airlines (Canada) Ltd
16 Apr - 30 Apr Porter Airlines (Canada) Ltd
21 Apr - 30 Apr Porter Airlines (Canada) Ltd
21 Apr - 28 Apr LOT
03 Apr - 18 Apr Porter Airlines (Canada) Ltd
22 Apr - 29 Apr LOT

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

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