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

Return flights

06 Oct - 13 Oct	British Airways
09 Oct - 12 Oct	British Airways
09 Oct - 13 Oct	British Airways
07 Oct - 14 Oct	British Airways
30 Oct - 06 Nov	Air Canada
06 Oct - 10 Oct	Air Europa
28 Oct - 04 Nov	United
27 Oct - 14 Nov	British Airways
09 Oct - 17 Oct	Ryanair

Also check the deals for one-way flights from Porto 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 Porto to Cancun in October from 483€

Return flights