AirHint found the following cheapest return flights from Montreal (YUL) to Guatemala City (GUA) in August 2026 (see full year).

Return flights

19 Aug - 09 Sep	Copa
12 Aug - 02 Sep	Copa
19 Aug - 26 Aug	Copa
02 Aug - 09 Aug	Avianca
09 Aug - 16 Aug	Avianca
16 Aug - 23 Aug	Avianca
10 Aug - 16 Aug	Avianca
04 Aug - 11 Aug	Avianca
06 Aug - 13 Aug	Avianca
11 Aug - 18 Aug	Avianca
13 Aug - 20 Aug	Avianca
18 Aug - 25 Aug	Avianca
11 Aug - 01 Sep	Avianca
18 Aug - 07 Sep	Copa
15 Aug - 04 Sep	Avianca

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

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 August from $440

Return flights