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

Return flights

27 Oct - 10 Nov	Avianca
20 Oct - 03 Nov	Avianca
20 Oct - 27 Oct	Avianca
27 Oct - 03 Nov	Avianca
27 Oct - 24 Nov	Avianca
27 Oct - 17 Nov	Avianca
31 Oct - 17 Nov	Avianca
31 Oct - 10 Nov	Avianca
29 Oct - 05 Nov	Avianca
06 Oct - 28 Oct	Avianca
22 Oct - 28 Oct	Avianca
17 Oct - 27 Oct	Avianca
20 Oct - 28 Oct	Avianca
27 Oct - 05 Nov	Avianca
20 Oct - 26 Oct	Avianca
20 Oct - 26 Oct	Air Canada	direct
20 Oct - 02 Nov	Air Canada	direct
20 Oct - 31 Oct	Air Canada	direct
20 Oct - 28 Oct	Air Canada	direct
01 Oct - 08 Oct	Avianca

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

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 October from $300

Return flights