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

Return flights

15 Oct - 23 Oct	British Airways
03 Oct - 27 Oct	British Airways
29 Oct - 07 Nov	Delta
10 Oct - 19 Oct	British Airways
11 Oct - 22 Oct	Brussels Airlines
30 Oct - 06 Nov	United
10 Oct - 17 Oct	British Airways
27 Oct - 17 Nov	United
03 Oct - 10 Oct	Air Europa
09 Oct - 16 Oct	British Airways
31 Oct - 14 Nov	Air France
28 Oct - 18 Nov	United
31 Oct - 20 Nov	Air France
02 Oct - 11 Oct	KLM
28 Oct - 04 Nov	British Airways
15 Oct - 22 Oct	British Airways
25 Oct - 15 Nov	Air Canada
26 Oct - 15 Nov	British Airways
12 Oct - 19 Oct	British Airways
26 Oct - 10 Nov	KLM

Also check the deals for one-way flights from Lisbon 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 Lisbon to Cancun in October from 535€

Return flights