AirHint found the following cheapest return flights from Toronto (YTZ) to Warsaw (WAW) in May 2026 (see full year).

Return flights

27 May - 15 Jun	Air Canada
18 May - 22 May	Air Canada
12 May - 28 May	Porter Airlines (Canada) Ltd
14 May - 22 May	Porter Airlines (Canada) Ltd
18 May - 19 Jun	SWISS
02 May - 11 May	Air Transat
20 May - 30 May	Porter Airlines (Canada) Ltd
18 May - 15 Jun	SWISS
18 May - 21 Jun	SWISS
10 May - 31 May	SWISS
11 May - 31 May	SWISS
11 May - 24 May	Air Canada
01 May - 29 May	SWISS
14 May - 24 May	SWISS
18 May - 18 Jun	Air Transat
08 May - 04 Jun	Porter Airlines (Canada) Ltd
01 May - 24 Jun	SWISS
18 May - 20 Jun	SWISS
19 May - 03 Jun	Air Transat

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

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 May from $621

Return flights