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

Return flights

11 Dec - 17 Dec	TAP	direct
10 Dec - 17 Dec	TAP	direct
01 Dec - 13 Dec	TAP	direct
09 Dec - 27 Jan	Air France
11 Dec - 14 Dec	TAP	direct
08 Dec - 31 Jan	TAP	direct
20 Dec - 21 Jan	TAP	direct
24 Dec - 18 Jan	TAP	direct
24 Dec - 20 Jan	TAP	direct
13 Dec - 31 Jan	TAP	direct
15 Dec - 27 Jan	TAP	direct
09 Dec - 27 Jan	TAP	direct
24 Dec - 05 Jan	TAP	direct
28 Dec - 18 Jan	TAP	direct
01 Dec - 29 Dec	TAP	direct
24 Dec - 31 Dec	TAP	direct
14 Dec - 29 Dec	TAP	direct
01 Dec - 09 Dec	TAP	direct
16 Dec - 25 Dec	TAP	direct
17 Dec - 30 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Fortaleza to Lisbon in December from 540€

Return flights