AirHint found the following cheapest return flights from Quebec (YQB) to Cancun (CUN) in September 2025 (see full year).

Return flights

19 Sep - 26 Sep	United
06 Sep - 13 Sep	United
13 Sep - 23 Sep	United
07 Sep - 19 Sep	United
10 Sep - 22 Sep	Air Canada
07 Sep - 14 Sep	United
14 Sep - 21 Sep	Air Transat	direct
07 Sep - 21 Sep	Air Transat	direct
07 Sep - 14 Sep	Air Transat	direct
21 Sep - 28 Sep	Air Transat	direct

Also check the deals for one-way flights from Quebec to Cancun 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 Quebec to Cancun in September from 257€

Return flights