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

Return flights

20 Sep - 27 Sep	United
17 Sep - 23 Sep	United
27 Sep - 30 Sep	United
24 Sep - 30 Sep	United
21 Sep - 22 Sep	Air Canada
30 Sep - 07 Oct	United
27 Sep - 04 Oct	United
24 Sep - 01 Oct	United
23 Sep - 30 Sep	United
26 Sep - 01 Oct	Air Canada
19 Sep - 26 Sep	Air Canada
26 Sep - 03 Oct	Air Canada
28 Sep - 05 Oct	Air Canada
25 Sep - 02 Oct	Air Canada
29 Sep - 06 Oct	United
21 Sep - 28 Sep	Air Canada
22 Sep - 29 Sep	Copa
26 Sep - 30 Sep	WestJet

Also check the deals for one-way flights from Montreal to Nassau 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 Nassau in September from 242€

Return flights