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

Return flights

26 Oct - 05 Nov	United
27 Oct - 05 Nov	United
14 Oct - 21 Oct	United
28 Oct - 04 Nov	United
26 Oct - 02 Nov	United
29 Oct - 05 Nov	United
18 Oct - 25 Oct	United
27 Oct - 03 Nov	Air Canada
17 Oct - 24 Oct	United
12 Oct - 25 Nov	Air Canada
21 Oct - 04 Nov	Air Canada
05 Oct - 12 Oct	Air Canada
19 Oct - 26 Oct	Air Canada
26 Oct - 09 Nov	Air Canada
12 Oct - 19 Oct	Air Canada
28 Oct - 04 Nov	Air Transat	direct
12 Oct - 19 Oct	Air Transat	direct
05 Oct - 12 Oct	Air Transat	direct
19 Oct - 26 Oct	Air Transat	direct
10 Oct - 17 Oct	Air Canada

Also check the deals for one-way flights from Quebec to Cancun in October.

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 October from 256€

Return flights