AirHint found the following cheapest return flights from Sofia (SOF) to Montreal (YUL) in December 2025 (see full year).
Return flights
| 23 Dec - 23 Jan | easyJet | ||
| 23 Dec - 16 Jan | easyJet | ||
| 23 Dec - 24 Jan | Wizz Air | ||
| 23 Dec - 17 Jan | Ryanair | ||
| 24 Dec - 17 Jan | Austrian Airlines | ||
| 13 Dec - 30 Dec | easyJet | ||
| 24 Dec - 31 Jan | Air Canada |
Also check the deals for one-way flights from Sofia to Montreal in December.
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