Cheapest return flights from Ontario to Warsaw in August from $663

AirHint found the following cheapest return flights from Ontario (ONT) to Warsaw (WAW) in August 2025 (see full year).

Return flights

20 Aug - 04 Sep British Airways
08 Aug - 22 Aug Finnair
09 Aug - 15 Aug LOT
08 Aug - 20 Aug LOT
03 Aug - 31 Aug LOT
03 Aug - 17 Aug LOT
28 Aug - 31 Aug LOT
01 Aug - 10 Aug LOT
27 Aug - 30 Aug British Airways
08 Aug - 24 Aug Iberia
01 Aug - 05 Aug British Airways

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

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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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