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

Return flights

03 May - 13 May	Arajet
17 May - 27 May	Arajet
03 May - 11 May	Arajet
21 May - 27 May	Arajet
07 May - 13 May	Arajet
07 May - 18 May	Arajet
14 May - 27 May	Arajet
10 May - 14 May	Arajet
12 May - 24 May	Viva
01 May - 04 May	Volaris
26 May - 10 Jun	WestJet
11 May - 08 Jun	Flair Airlines
27 May - 03 Jun	Flair Airlines
27 May - 01 Jun	Aeromexico
30 May - 27 Jun	Viva
30 May - 06 Jun	Viva
23 May - 01 Jun	Volaris
11 May - 08 Jun	Aeromexico	direct
23 May - 01 Jun	Aeromexico	direct
30 May - 06 Jun	Aeromexico	direct

Also check the deals for one-way flights from Mexico City to Montreal 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 Mexico City to Montreal in May from $306

Return flights