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

Return flights

30 Aug - 06 Sep	Avianca
31 Aug - 07 Sep	Avianca
30 Aug - 20 Sep	Avianca
23 Aug - 07 Sep	Avianca
14 Aug - 21 Aug	Air Canada
19 Aug - 26 Aug	Air Canada
26 Aug - 02 Sep	Air Canada
10 Aug - 17 Aug	Air Canada
13 Aug - 20 Aug	Air Canada
17 Aug - 24 Aug	Air Canada
20 Aug - 27 Aug	Air Canada
24 Aug - 31 Aug	Air Canada
06 Aug - 20 Aug	Air Canada
10 Aug - 24 Aug	Air Canada
27 Aug - 03 Sep	Air Canada
23 Aug - 28 Aug	Air Canada
25 Aug - 01 Sep	Avianca
28 Aug - 04 Sep	Avianca
29 Aug - 05 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 $389

Return flights