AirHint found the following cheapest return flights from Guatemala City (GUA) to Montreal (YUL) in December 2025 (see full year).
Return flights
| 29 Dec - 19 Jan | Avianca | ||
| 11 Dec - 03 Jan | Avianca | ||
| 08 Dec - 03 Jan | Avianca | ||
| 10 Dec - 17 Dec | Avianca | ||
| 19 Dec - 27 Dec | Avianca | ||
| 11 Dec - 11 Dec | Air Canada |
Also check the deals for one-way flights from Guatemala City to Montreal in December.
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