Cheapest return flights from Detroit to Toronto in December from 258€

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

Return flights

11 Dec - 07 Jan Frontier Airlines
15 Dec - 17 Dec Frontier Airlines
12 Dec - 13 Dec Frontier Airlines
24 Dec - 30 Dec Spirit Airlines
22 Dec - 18 Jan Frontier Airlines
24 Dec - 01 Jan Spirit Airlines
15 Dec - 22 Dec American Airlines
11 Dec - 18 Dec American Airlines
30 Dec - 02 Jan Frontier Airlines
26 Dec - 29 Dec Spirit Airlines
24 Dec - 27 Dec Spirit Airlines
24 Dec - 27 Dec Air Canada direct
26 Dec - 29 Dec Air Canada direct
22 Dec - 18 Jan Air Canada direct
14 Dec - 21 Dec American Airlines
11 Dec - 07 Jan Air Canada direct
30 Dec - 02 Jan Delta direct
24 Dec - 01 Jan Delta direct

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

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