Cheapest one-way flights from Ontario to Warsaw in September from $239

AirHint found the following cheapest one-way flights from Ontario (ONT) to Warsaw (WAW) in September 2026 (see full year).

One-Way flights

14 Sep British Airways
13 Sep British Airways
07 Sep British Airways
15 Sep British Airways
28 Sep British Airways
29 Sep British Airways
30 Sep British Airways
20 Sep British Airways
23 Sep British Airways
11 Sep British Airways

Also check the deals for return flights from Ontario to Warsaw in September.

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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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