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
16 May - 23 May	United
27 May - 03 Jun	United
24 May - 31 May	WestJet
29 May - 05 Jun	WestJet
28 May - 04 Jun	WestJet
04 May - 11 May	WestJet
11 May - 18 May	WestJet
06 May - 13 May	WestJet
10 May - 17 May	WestJet
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 274€

Return flights