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

Return flights

04 Aug - 11 Aug	United
05 Aug - 12 Aug	United
12 Aug - 19 Aug	United
18 Aug - 25 Aug	United
19 Aug - 26 Aug	United
11 Aug - 18 Aug	United
07 Aug - 14 Aug	United
21 Aug - 28 Aug	United
29 Aug - 05 Sep	United
09 Aug - 16 Aug	United
13 Aug - 20 Aug	United
30 Aug - 06 Sep	United
28 Aug - 04 Sep	United
31 Aug - 07 Sep	WestJet
25 Aug - 01 Sep	WestJet
26 Aug - 02 Sep	WestJet

Also check the deals for one-way flights from Montreal to Puerto Vallarta in August.

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 August from 491€

Return flights