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

Return flights

11 Dec - 15 Dec	Iberia
16 Dec - 17 Dec	Iberia
29 Dec - 05 Jan	TAP
02 Dec - 04 Dec	Royal Air Maroc
01 Dec - 04 Dec	Royal Air Maroc
27 Dec - 03 Jan	TAP	direct
27 Dec - 02 Jan	TAP	direct
29 Dec - 03 Jan	TAP	direct
29 Dec - 04 Jan	TAP	direct
25 Dec - 29 Dec	TAP	direct
26 Dec - 02 Jan	TAP	direct
26 Dec - 04 Jan	TAP	direct
15 Dec - 17 Dec	Vueling Airlines
24 Dec - 01 Jan	TAP	direct
22 Dec - 24 Dec	Iberia
25 Dec - 28 Dec	TAP	direct
27 Dec - 01 Jan	TAP	direct
21 Dec - 02 Jan	Iberia
03 Dec - 06 Dec	Royal Air Maroc
02 Dec - 06 Dec	Royal Air Maroc	direct

Also check the deals for one-way flights from Casablanca 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 Casablanca to Lisbon in December from 146€

Return flights