AirHint found the following cheapest return flights from Montreal (YUL) to Guatemala City (GUA) in December 2025 (see full year).

Return flights

09 Dec - 30 Dec	Avianca
02 Dec - 09 Dec	Avianca
09 Dec - 16 Dec	Avianca
11 Dec - 18 Dec	Avianca
06 Dec - 13 Dec	Avianca
11 Dec - 26 Dec	Avianca
10 Dec - 23 Dec	Avianca
09 Dec - 23 Dec	Avianca
04 Dec - 18 Dec	Avianca
04 Dec - 11 Dec	Avianca
30 Dec - 16 Jan	Avianca
31 Dec - 16 Jan	Delta
30 Dec - 15 Jan	Avianca
26 Dec - 04 Jan	Copa
24 Dec - 11 Jan	Avianca
30 Dec - 09 Jan	Avianca
14 Dec - 08 Jan	Delta
24 Dec - 01 Jan	Delta
28 Dec - 06 Jan	Delta
25 Dec - 01 Jan	Avianca

Also check the deals for one-way flights from Montreal to Guatemala City in December.

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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Cheapest return flights from Montreal to Guatemala City in December from $420

Return flights