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

Return flights

17 May - 24 May	Avianca
03 May - 10 May	Avianca
10 May - 17 May	Avianca
24 May - 31 May	Avianca
27 May - 03 Jun	Avianca
29 May - 05 Jun	Avianca
20 May - 27 May	Avianca
05 May - 12 May	Avianca
07 May - 14 May	Avianca
19 May - 26 May	Avianca
21 May - 28 May	Avianca
23 May - 30 May	Avianca
25 May - 01 Jun	Avianca
26 May - 02 Jun	Avianca
28 May - 04 Jun	Avianca
31 May - 07 Jun	Avianca
30 May - 06 Jun	Avianca

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 311€

Return flights