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

Return flights

09 Dec - 16 Dec	TAP	direct
03 Dec - 17 Dec	Delta
30 Dec - 20 Jan	Delta
02 Dec - 18 Dec	Delta
04 Dec - 18 Dec	Delta
30 Dec - 10 Jan	Delta
25 Dec - 09 Jan	Lufthansa
01 Dec - 17 Dec	Air Canada
23 Dec - 09 Jan	SWISS
15 Dec - 31 Dec	Lufthansa
17 Dec - 31 Dec	Delta
11 Dec - 28 Dec	Air Canada
23 Dec - 10 Jan	Air France
12 Dec - 06 Jan	TAP	direct
23 Dec - 07 Jan	SWISS
22 Dec - 09 Jan	Air France
23 Dec - 08 Jan	Air France
22 Dec - 08 Jan	Air France
19 Dec - 31 Dec	Lufthansa
04 Dec - 18 Dec	TAP	direct

Also check the deals for one-way flights from Cancun to Lisbon 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 Cancun to Lisbon in December from $717

Return flights