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

Return flights

06 Dec - 12 Dec	TAP
07 Dec - 14 Dec	Lufthansa
06 Dec - 14 Dec	Lufthansa
12 Dec - 26 Dec	SWISS
01 Dec - 08 Dec	KLM
01 Dec - 04 Dec	KLM
13 Dec - 20 Dec	Lufthansa
30 Dec - 06 Jan	Air France
23 Dec - 12 Jan	Air France
13 Dec - 27 Dec	TAP
22 Dec - 30 Dec	British Airways
24 Dec - 07 Jan	KLM
16 Dec - 09 Jan	easyJet
22 Dec - 27 Dec	Air France
17 Dec - 09 Jan	easyJet
25 Dec - 09 Jan	Air Transat
18 Dec - 09 Jan	Air Transat
22 Dec - 12 Jan	Air France
29 Dec - 05 Jan	Aeromexico
26 Dec - 08 Jan	KLM

Also check the deals for one-way flights from Porto 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 Porto to Cancun in December from 508€

Return flights