Cheapest one-way flights from Chicago to Toronto in December from $137

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

One-Way flights

31 Dec Porter Airlines (Canada) Ltd direct
15 Dec Porter Airlines (Canada) Ltd direct
17 Dec Porter Airlines (Canada) Ltd direct
14 Dec Porter Airlines (Canada) Ltd direct
16 Dec Porter Airlines (Canada) Ltd direct
25 Dec Porter Airlines (Canada) Ltd direct
30 Dec Porter Airlines (Canada) Ltd direct
21 Dec Porter Airlines (Canada) Ltd direct
29 Dec Porter Airlines (Canada) Ltd direct
22 Dec Porter Airlines (Canada) Ltd direct

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

Powered by

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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto

Feel free to contact us with any feedback or request another flight research.