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

Return flights

02 Dec - 16 Dec	Air France
24 Dec - 13 Jan	TAP	direct
24 Dec - 19 Jan	TAP	direct
24 Dec - 20 Jan	TAP	direct
16 Dec - 19 Jan	LATAM Airlines Group	direct
15 Dec - 06 Jan	TAP	direct
22 Dec - 20 Jan	TAP	direct
22 Dec - 30 Dec	TAP	direct
23 Dec - 13 Jan	TAP	direct
29 Dec - 15 Jan	TAP	direct
30 Dec - 21 Jan	TAP	direct
18 Dec - 13 Jan	TAP	direct
23 Dec - 30 Dec	TAP	direct
10 Dec - 17 Dec	Air France
06 Dec - 13 Dec	Air France
23 Dec - 31 Dec	TAP	direct
15 Dec - 29 Dec	TAP	direct
02 Dec - 16 Dec	LATAM Airlines Group	direct
06 Dec - 13 Dec	TAP	direct
01 Dec - 14 Dec	TAP	direct

Also check the deals for one-way flights from Fortaleza 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 Fortaleza to Lisbon in December from 669€

Return flights