AirHint found the following cheapest one-way flights from Detroit (DTW) to Toronto (YYZ) in January 2026 (see full year).
One-Way flights
| 10 Jan | Frontier Airlines | ||
| 07 Jan | Spirit Airlines | ||
| 06 Jan | Frontier Airlines | ||
| 10 Jan | Air Canada | direct | |
| 14 Jan | Air Canada | direct | |
| 06 Jan | Air Canada | direct | |
| 07 Jan | Air Canada | direct |
Also check the deals for return flights from Detroit to Toronto in January.
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