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

Return flights

03 Dec - 07 Dec	Iberia
04 Dec - 08 Dec	Iberia
04 Dec - 07 Dec	Iberia
12 Dec - 19 Dec	Iberia
04 Dec - 10 Dec	Iberia
05 Dec - 08 Dec	Iberia
05 Dec - 07 Dec	Iberia
03 Dec - 05 Dec	Iberia
12 Dec - 16 Dec	Iberia
04 Dec - 10 Dec	TAP	direct
19 Dec - 04 Jan	TAP	direct
29 Dec - 04 Jan	TAP	direct
23 Dec - 07 Jan	Air Arabia Maroc
30 Dec - 06 Jan	TAP	direct
19 Dec - 03 Jan	TAP	direct
29 Dec - 03 Jan	TAP	direct
29 Dec - 01 Jan	TAP	direct
30 Dec - 02 Jan	TAP	direct
30 Dec - 03 Jan	TAP	direct
29 Dec - 02 Jan	TAP	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 $168

Return flights