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

Return flights

01 Sep - 09 Sep	TAP
01 Sep - 08 Sep	TAP
23 Sep - 14 Oct	WestJet
10 Sep - 24 Sep	WestJet
19 Sep - 23 Sep	WestJet
22 Sep - 07 Oct	Porter Airlines (Canada) Ltd
30 Sep - 07 Oct	Air Transat
25 Sep - 15 Oct	Scandinavian Airlines
22 Sep - 20 Oct	Porter Airlines (Canada) Ltd
30 Sep - 13 Oct	Air Transat
12 Sep - 16 Sep	TAP
28 Sep - 13 Oct	Air Canada
26 Sep - 12 Oct	Air Transat
29 Sep - 25 Oct	Air Canada
21 Sep - 26 Sep	WestJet
04 Sep - 10 Sep	TAP
04 Sep - 01 Oct	Air France
04 Sep - 09 Sep	TAP
04 Sep - 18 Sep	TAP
01 Sep - 22 Sep	TAP

Also check the deals for one-way flights from Toronto to Warsaw 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 Toronto to Warsaw in September from 500€

Return flights