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

Return flights

07 Oct - 14 Oct	British Airways
31 Oct - 07 Nov	TAP
30 Oct - 12 Nov	United
30 Oct - 13 Nov	United
08 Oct - 19 Oct	Brussels Airlines
28 Oct - 07 Nov	Wizz Air Malta
09 Oct - 19 Oct	Air Europa
09 Oct - 16 Oct	Air Europa
10 Oct - 26 Oct	Air Europa
04 Oct - 11 Oct	Brussels Airlines
16 Oct - 23 Oct	Vueling Airlines
02 Oct - 06 Oct	Ryanair
03 Oct - 11 Oct	United
01 Oct - 10 Oct	Ryanair
24 Oct - 01 Nov	United
25 Oct - 01 Nov	Air Europa
25 Oct - 10 Nov	Ryanair
27 Oct - 08 Nov	SWISS

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 506€

Return flights