AirHint found the following cheapest return flights from Warsaw (WMI) to Toronto (YYZ) in September 2025 (see full year).

Return flights

08 Sep - 21 Sep	Ryanair
03 Sep - 13 Sep	Ryanair
09 Sep - 21 Sep	Ryanair
04 Sep - 07 Sep	Ryanair
26 Sep - 12 Oct	Ryanair
17 Sep - 22 Sep	Ryanair
22 Sep - 06 Oct	Ryanair
03 Sep - 18 Sep	Ryanair
16 Sep - 20 Sep	Ryanair
12 Sep - 20 Sep	Ryanair
14 Sep - 20 Sep	Ryanair
09 Sep - 30 Sep	Ryanair
26 Sep - 02 Oct	Ryanair
26 Sep - 14 Oct	Ryanair
15 Sep - 13 Oct	Ryanair

Also check the deals for one-way flights from Warsaw to Toronto in September.

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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Cheapest return flights from Warsaw to Toronto in September from 576€

Return flights