Cheapest return flights from Ottawa to Warsaw in April from $670

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

Return flights

20 Apr - 27 Apr WestJet
14 Apr - 28 Apr Porter Airlines (Canada) Ltd
27 Apr - 11 May Porter Airlines (Canada) Ltd
19 Apr - 29 Apr Porter Airlines (Canada) Ltd
22 Apr - 01 May Porter Airlines (Canada) Ltd
20 Apr - 06 May Porter Airlines (Canada) Ltd
28 Apr - 12 May WestJet
29 Apr - 13 May Porter Airlines (Canada) Ltd
14 Apr - 21 Apr Porter Airlines (Canada) Ltd
22 Apr - 29 Apr Porter Airlines (Canada) Ltd
21 Apr - 28 Apr Porter Airlines (Canada) Ltd
20 Apr - 30 Apr Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Ottawa to Warsaw 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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