Cheapest return flights from Chicago to Toronto in December from $371

AirHint found the following cheapest return flights from Chicago (ORD) to Toronto (YYZ) in December 2026 (see full year).

Return flights

25 Dec - 01 Jan Porter Airlines (Canada) Ltd direct
08 Dec - 11 Dec United direct
28 Dec - 01 Jan Air Canada 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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