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

Return flights

15 Sep - 24 Sep	FrenchBee
17 Sep - 24 Sep	FrenchBee
15 Sep - 22 Sep	FrenchBee
15 Sep - 30 Sep	FrenchBee
10 Sep - 17 Sep	FrenchBee
17 Sep - 30 Sep	FrenchBee
29 Sep - 06 Oct	FrenchBee
22 Sep - 29 Sep	FrenchBee
17 Sep - 13 Oct	FrenchBee
15 Sep - 12 Oct	FrenchBee
15 Sep - 01 Oct	FrenchBee
08 Sep - 15 Sep	FrenchBee
15 Sep - 06 Oct	FrenchBee
03 Sep - 10 Sep	FrenchBee
17 Sep - 12 Oct	FrenchBee
17 Sep - 01 Oct	FrenchBee
17 Sep - 06 Oct	FrenchBee
24 Sep - 08 Oct	Air Transat
15 Sep - 11 Oct	Air Transat
09 Sep - 16 Sep	Air Transat

Also check the deals for one-way flights from Montreal to Dubrovnik 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 Dubrovnik in September from $563

Return flights