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

Return flights

13 May - 20 May	Copa
05 May - 12 May	Copa
26 May - 02 Jun	Copa
03 May - 20 May	Air Canada
11 May - 18 May	Copa
12 May - 24 May	Copa
07 May - 14 May	Copa
25 May - 01 Jun	Copa
03 May - 10 May	Avianca
10 May - 17 May	Avianca
17 May - 24 May	Avianca
24 May - 31 May	Avianca
27 May - 03 Jun	Avianca
20 May - 03 Jun	Avianca
31 May - 07 Jun	United
28 May - 04 Jun	Avianca
27 May - 27 Jun	Copa

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

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 May from $360

Return flights