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

Return flights

29 Sep - 07 Oct	WestJet
29 Sep - 06 Oct	WestJet
23 Sep - 30 Sep	United
24 Sep - 28 Sep	United
25 Sep - 28 Sep	United
27 Sep - 30 Sep	United
24 Sep - 29 Sep	United
25 Sep - 29 Sep	United
30 Sep - 07 Oct	United
23 Sep - 01 Oct	United
27 Sep - 04 Oct	United
23 Sep - 03 Oct	United
25 Sep - 01 Oct	United
24 Sep - 07 Oct	United
24 Sep - 01 Oct	United
20 Sep - 27 Sep	United
18 Sep - 27 Sep	United
18 Sep - 24 Sep	United
18 Sep - 25 Sep	United
22 Sep - 22 Oct	United

Also check the deals for one-way flights from Montreal to Fort Lauderdale 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 Fort Lauderdale in September from $216

Return flights