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

Return flights

15 Oct - 22 Oct	United
15 Oct - 21 Oct	United
22 Oct - 28 Oct	United
25 Oct - 30 Oct	Southwest Airlines
24 Oct - 30 Oct	Frontier Airlines
15 Oct - 20 Oct	United
16 Oct - 21 Oct	United
23 Oct - 28 Oct	Frontier Airlines
16 Oct - 20 Oct	Frontier Airlines
24 Oct - 27 Oct	Frontier Airlines

Also check the deals for one-way flights from Buffalo 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 Buffalo to Cancun in October from 254€

Return flights