Cheapest return flights from Chicago to Toronto in December from $480

Best time to book flights for Chicago (MDW) to Toronto (YTZ) flights at AirHint

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

Return flights

26 Dec - 02 Jan Porter Airlines (Canada) Ltd direct
17 Dec - 06 Jan Porter Airlines (Canada) Ltd direct
19 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
20 Dec - 02 Jan Porter Airlines (Canada) Ltd direct
20 Dec - 06 Jan Porter Airlines (Canada) Ltd direct
20 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
22 Dec - 02 Jan Porter Airlines (Canada) Ltd direct
22 Dec - 06 Jan Porter Airlines (Canada) Ltd direct
22 Dec - 03 Jan Porter Airlines (Canada) Ltd direct
26 Dec - 06 Jan Porter Airlines (Canada) Ltd direct

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

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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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