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

Return flights

26 Oct - 09 Nov	Air Transat	direct
29 Oct - 12 Nov	Air Transat	direct
26 Oct - 02 Nov	Air Transat	direct
31 Oct - 21 Nov	Air Transat	direct
25 Oct - 01 Nov	Air Transat	direct
16 Oct - 23 Oct	United
03 Oct - 10 Oct	United
27 Oct - 03 Nov	United
24 Oct - 31 Oct	United
18 Oct - 25 Oct	United
22 Oct - 29 Oct	United
15 Oct - 22 Oct	United
19 Oct - 26 Oct	United
27 Oct - 10 Nov	Delta
23 Oct - 30 Oct	United
12 Oct - 19 Oct	United
01 Oct - 08 Oct	Delta
28 Oct - 11 Nov	Delta
28 Oct - 11 Nov	Air Canada	direct

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

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 October from $541

Return flights