Cheapest one-way flights from Miami to Toronto in December from $97

AirHint found the following cheapest one-way flights from Miami (MIA) to Toronto (YYZ) in December 2025 (see full year).

One-Way flights

13 Dec Spirit Airlines
12 Dec Spirit Airlines
16 Dec Porter Airlines (Canada) Ltd direct
10 Dec Frontier Airlines
17 Dec Porter Airlines (Canada) Ltd direct
25 Dec Porter Airlines (Canada) Ltd direct
24 Dec Porter Airlines (Canada) Ltd direct
08 Dec Spirit Airlines
11 Dec Spirit Airlines
09 Dec Frontier Airlines

Also check the deals for return flights from Miami to Toronto in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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