AirHint found the following cheapest return flights from Ontario (ONT) to Warsaw (WAW) in January 2026 (see full year).

Return flights

17 Jan - 24 Jan	British Airways
24 Jan - 31 Jan	British Airways
31 Jan - 07 Feb	British Airways
07 Jan - 14 Jan	British Airways
29 Jan - 05 Feb	British Airways
15 Jan - 07 Feb	British Airways
21 Jan - 28 Jan	Iberia
28 Jan - 04 Feb	Iberia
06 Jan - 13 Jan	British Airways
11 Jan - 18 Jan	British Airways
08 Jan - 15 Jan	British Airways
10 Jan - 17 Jan	British Airways
14 Jan - 21 Jan	Iberia
20 Jan - 27 Jan	Air France

Also check the deals for one-way flights from Ontario to Warsaw in January.

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 Ontario to Warsaw in January from $503

Return flights