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

Return flights

07 Oct - 11 Oct	Volaris
20 Oct - 27 Oct	Volaris
25 Oct - 01 Nov	Viva
10 Oct - 17 Oct	Volaris
04 Oct - 11 Oct	Volaris
11 Oct - 18 Oct	Volaris
11 Oct - 16 Oct	Volaris
16 Oct - 25 Oct	Volaris
07 Oct - 14 Oct	Viva
10 Oct - 14 Oct	Volaris
16 Oct - 20 Oct	Volaris
11 Oct - 01 Nov	Viva
31 Oct - 03 Nov	Volaris
25 Oct - 03 Nov	Viva
25 Oct - 12 Nov	Viva
29 Oct - 02 Nov	United	direct
27 Oct - 10 Nov	United	direct
29 Oct - 12 Nov	United
31 Oct - 03 Nov	Southwest Airlines	direct
25 Oct - 01 Nov	Southwest Airlines	direct

Also check the deals for one-way flights from Denver 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 Denver to Cancun in October from 241€

Return flights