Cheapest return flights from Chicago to Toronto in December from 193€

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

Return flights

09 Dec - 16 Dec Porter Airlines (Canada) Ltd direct
05 Dec - 26 Dec Porter Airlines (Canada) Ltd direct
30 Dec - 08 Jan Porter Airlines (Canada) Ltd direct
30 Dec - 12 Jan Porter Airlines (Canada) Ltd direct
05 Dec - 16 Dec Porter Airlines (Canada) Ltd direct
13 Dec - 16 Dec Porter Airlines (Canada) Ltd direct
13 Dec - 26 Dec Porter Airlines (Canada) Ltd direct
13 Dec - 27 Dec 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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