AirHint found the following cheapest return flights from Detroit (DTW) to Toronto (YYZ) in March 2026 (see full year).
Return flights
| 13 Mar - 15 Mar | Air Canada | direct | |
| 31 Mar - 05 Apr | Frontier Airlines | ||
| 31 Mar - 05 Apr | Air Canada | direct | |
| 30 Mar - 31 Mar | Frontier Airlines | ||
| 30 Mar - 31 Mar | Air Canada | direct |
Also check the deals for one-way flights from Detroit to Toronto in March.
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