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

Return flights

29 May - 05 Jun	Avianca
25 May - 01 Jun	Copa
19 May - 26 May	United
05 May - 12 May	United
12 May - 19 May	Copa
13 May - 20 May	Copa
14 May - 21 May	Copa
11 May - 18 May	Copa
28 May - 04 Jun	Copa
02 May - 09 May	United
16 May - 23 May	United
09 May - 16 May	United
04 May - 11 May	Copa
30 May - 06 Jun	Copa
31 May - 07 Jun	Air Transat

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 $449

Return flights