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

Return flights

30 Dec - 13 Jan	Iberia
02 Dec - 09 Dec	Air France
03 Dec - 11 Dec	Aeromexico
29 Dec - 17 Jan	Volaris
04 Dec - 12 Dec	Volaris
29 Dec - 23 Jan	Volaris
22 Dec - 11 Jan	Aeromexico
12 Dec - 25 Dec	Volaris
15 Dec - 08 Jan	Volaris
29 Dec - 11 Jan	Volaris
29 Dec - 09 Jan	Viva
23 Dec - 06 Jan	Viva
25 Dec - 05 Jan	Volaris
18 Dec - 08 Jan	Volaris
23 Dec - 30 Dec	Aeromexico
16 Dec - 22 Dec	Volaris
22 Dec - 29 Dec	Aeromexico
22 Dec - 27 Dec	Air France
19 Dec - 28 Dec	Volaris

Also check the deals for one-way flights from Mexico City 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 Mexico City to Lisbon in December from 720€

Return flights