Cheapest one-way flights from Chicago to Toronto in December from $86

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

One-Way flights

07 Dec Porter Airlines (Canada) Ltd direct
03 Dec Porter Airlines (Canada) Ltd direct
14 Dec Porter Airlines (Canada) Ltd direct
10 Dec Porter Airlines (Canada) Ltd direct
02 Dec Porter Airlines (Canada) Ltd direct
12 Dec Porter Airlines (Canada) Ltd direct
13 Dec Porter Airlines (Canada) Ltd direct
09 Dec Porter Airlines (Canada) Ltd direct
16 Dec Porter Airlines (Canada) Ltd direct
26 Dec Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Chicago to Toronto in December.

Skyscanner

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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