Cheapest return flights from Chicago to Toronto in December from $184

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

Return flights

12 Dec - 17 Dec American Airlines direct
06 Dec - 07 Dec American Airlines direct
04 Dec - 07 Dec American Airlines direct
14 Dec - 17 Dec American Airlines
05 Dec - 12 Dec American Airlines
25 Dec - 01 Jan United direct
09 Dec - 14 Dec Delta
02 Dec - 06 Dec Air Canada direct
03 Dec - 07 Dec Air Canada direct
14 Dec - 17 Dec United direct
09 Dec - 14 Dec Air Canada direct
30 Dec - 06 Jan American Airlines direct
31 Dec - 04 Jan United direct
22 Dec - 02 Jan WestJet
21 Dec - 01 Jan WestJet
21 Dec - 01 Jan United direct
21 Dec - 02 Jan WestJet
27 Dec - 01 Jan United direct
22 Dec - 02 Jan United direct
27 Dec - 02 Jan WestJet

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

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