Cheapest return flights from Ontario to Warsaw in June from $822

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

Return flights

08 Jun - 22 Jun British Airways
11 Jun - 25 Jun British Airways
23 Jun - 30 Jun British Airways
30 Jun - 08 Jul British Airways
23 Jun - 28 Jul British Airways

Also check the deals for one-way flights from Ontario to Warsaw in June.

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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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