AirHint found the following cheapest return flights from Montreal (YUL) to Islamabad (ISB) in December 2025 (see full year).
Return flights
| 24 Dec - 15 Jan | FrenchBee | ||
| 01 Dec - 08 Dec | TAP | ||
| 03 Dec - 15 Jan | FrenchBee | ||
| 24 Dec - 09 Jan | FrenchBee | ||
| 19 Dec - 10 Jan | FrenchBee |
Also check the deals for one-way flights from Montreal to Islamabad in December.
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