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

Return flights

25 Dec - 13 Jan	Air Canada
25 Dec - 12 Jan	Air Canada
30 Dec - 08 Jan	British Airways
30 Dec - 11 Jan	British Airways
24 Dec - 12 Jan	American Airlines
22 Dec - 12 Jan	American Airlines
30 Dec - 09 Jan	British Airways
23 Dec - 12 Jan	Air Canada
28 Dec - 12 Jan	United
20 Dec - 27 Dec	Iberia
23 Dec - 11 Jan	Air Canada
25 Dec - 30 Dec	Air Canada
20 Dec - 28 Dec	United
20 Dec - 26 Dec	United
21 Dec - 27 Dec	United
21 Dec - 28 Dec	United
22 Dec - 28 Dec	United
21 Dec - 26 Dec	United
24 Dec - 31 Dec	Lufthansa
20 Dec - 25 Dec	United

Also check the deals for one-way flights from Lisbon to Cancun in December.

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 December from 538€

Return flights