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

Return flights

20 Oct - 26 Oct	Avianca
05 Oct - 12 Oct	Avianca
15 Oct - 26 Oct	Avianca
26 Oct - 02 Nov	Avianca
02 Oct - 07 Oct	Air Canada
03 Oct - 12 Oct	Air Canada
02 Oct - 06 Nov	Porter Airlines (Canada) Ltd
29 Oct - 05 Nov	WestJet
18 Oct - 31 Oct	WestJet
06 Oct - 17 Oct	Air Canada	direct
13 Oct - 24 Oct	Air Canada	direct
20 Oct - 26 Oct	Air Canada	direct
19 Oct - 26 Oct	Avianca
24 Oct - 02 Nov	Avianca
31 Oct - 07 Nov	WestJet
23 Oct - 02 Nov	Porter Airlines (Canada) Ltd
27 Oct - 05 Nov	Air Transat
30 Oct - 06 Nov	Air Transat
27 Oct - 03 Nov	Avianca
28 Oct - 04 Nov	United

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 311€

Return flights