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

Return flights

02 Sep - 09 Sep	United
08 Sep - 16 Sep	United
05 Sep - 09 Sep	United
05 Sep - 08 Sep	United
02 Sep - 08 Sep	United
02 Sep - 12 Sep	United
03 Sep - 10 Sep	United
04 Sep - 11 Sep	United
05 Sep - 12 Sep	United
06 Sep - 13 Sep	United
28 Sep - 08 Oct	United
24 Sep - 08 Oct	United
28 Sep - 22 Oct	United
28 Sep - 15 Oct	United
28 Sep - 07 Oct	United
30 Sep - 07 Oct	United
23 Sep - 07 Oct	United
16 Sep - 07 Oct	United
23 Sep - 02 Oct	United
22 Sep - 13 Oct	Arajet

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