AirHint found the following cheapest one-way flights from Jacksonville (JAX) to Toronto (YYZ) in December 2025 (see full year).
One-Way flights
| 11 Dec | Frontier Airlines | ||
| 12 Dec | Frontier Airlines | ||
| 19 Dec | Frontier Airlines | ||
| 18 Dec | Frontier Airlines | ||
| 16 Dec | Delta | ||
| 08 Dec | Delta | ||
| 30 Dec | United | ||
| 26 Dec | United | ||
| 27 Dec | Allegiant Air | ||
| 28 Dec | Allegiant Air |
Also check the deals for return flights from Jacksonville to Toronto in December.
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