Cheapest return flights from Ontario to Warsaw in April from $698

AirHint found the following cheapest return flights from Ontario (ONT) to Warsaw (WAW) in April 2026 (see full year).

Return flights

15 Apr - 22 Apr British Airways
15 Apr - 30 Apr British Airways
15 Apr - 29 Apr British Airways
12 Apr - 26 Apr British Airways
02 Apr - 25 Apr British Airways

Also check the deals for one-way flights from Ontario 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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