AirHint found the following cheapest return flights from Montreal (YUL) to Puerto Vallarta (PVR) in May 2026 (see full year).

Return flights

01 May - 08 May	United
07 May - 14 May	United
08 May - 15 May	United
09 May - 16 May	United
27 May - 03 Jun	United
17 May - 13 Jun	WestJet
29 May - 05 Jun	WestJet
31 May - 07 Jun	WestJet
26 May - 02 Jun	WestJet
28 May - 04 Jun	WestJet
15 May - 22 May	WestJet
12 May - 19 May	WestJet
14 May - 21 May	WestJet
20 May - 27 May	WestJet
05 May - 12 May	United
03 May - 15 May	Air Canada
25 May - 01 Jun	Air Canada

Also check the deals for one-way flights from Montreal to Puerto Vallarta 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 Puerto Vallarta in May from $323

Return flights