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

One-Way flights

21 Sep	United
05 Sep	United
14 Sep	Porter Airlines (Canada) Ltd
01 Sep	Porter Airlines (Canada) Ltd
18 Sep	WestJet
21 Sep	Air Transat	direct
05 Sep	Air Transat	direct
18 Sep	Air Transat	direct
01 Sep	Air Transat	direct
10 Sep	Air Transat	direct

Also check the deals for return 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 one-way flights from Montreal to Punta Cana in September from 150€

One-Way flights