AirHint found the following cheapest return flights from Cincinnati (CVG) to Toronto (YYZ) in December 2025 (see full year).
Return flights
| 07 Dec - 14 Dec | Frontier Airlines | ||
| 06 Dec - 13 Dec | Frontier Airlines | ||
| 27 Dec - 30 Dec | WestJet | ||
| 06 Dec - 13 Dec | Air Canada | direct | |
| 07 Dec - 14 Dec | Air Canada | direct | |
| 27 Dec - 30 Dec | Air Canada | direct |
Also check the deals for one-way flights from Cincinnati to Toronto in December.
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