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

Return flights

07 Dec - 14 Dec	Porter Airlines (Canada) Ltd
08 Dec - 14 Dec	SWISS
04 Dec - 14 Dec	SWISS
08 Dec - 15 Dec	SWISS
02 Dec - 09 Dec	SWISS
09 Dec - 16 Dec	SWISS
07 Dec - 15 Dec	SWISS
02 Dec - 16 Dec	SWISS
02 Dec - 10 Dec	SWISS
03 Dec - 14 Dec	SWISS
09 Dec - 23 Jan	SWISS
01 Dec - 31 Jan	SWISS
05 Dec - 17 Jan	SWISS
12 Dec - 03 Jan	Air Transat
12 Dec - 13 Jan	SWISS
09 Dec - 03 Jan	SWISS

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

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 December from 727€

Return flights