AirHint found the following cheapest return flights from Montreal (YUL) to Punta Cana (PUJ) in September 2025 (see full year).

Return flights

20 Sep - 27 Sep	United
19 Sep - 20 Sep	United
19 Sep - 26 Sep	United
29 Sep - 07 Oct	Air Canada
28 Sep - 06 Oct	WestJet
30 Sep - 07 Oct	United
21 Sep - 28 Sep	Air Canada
20 Sep - 28 Sep	WestJet
21 Sep - 25 Sep	WestJet
27 Sep - 04 Oct	WestJet
22 Sep - 26 Sep	United
26 Sep - 28 Sep	Air Canada	direct
19 Sep - 26 Sep	Air Canada	direct
28 Sep - 05 Oct	WestJet
20 Sep - 25 Sep	WestJet
29 Sep - 07 Oct	Air Canada	direct
24 Sep - 01 Oct	Air Transat	direct
29 Sep - 06 Oct	Air Canada
30 Sep - 15 Oct	United
28 Sep - 01 Oct	Air Transat	direct

Also check the deals for one-way flights from Montreal to Punta Cana in September.

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 Punta Cana in September from $291

Return flights