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

Return flights

09 Dec - 16 Dec	Delta
08 Dec - 15 Dec	Delta
10 Dec - 17 Dec	Delta
06 Dec - 13 Dec	Delta
07 Dec - 14 Dec	Delta
11 Dec - 18 Dec	Delta
10 Dec - 26 Dec	Delta
25 Dec - 06 Jan	Delta
26 Dec - 06 Jan	Delta
25 Dec - 05 Jan	Delta
26 Dec - 05 Jan	Delta
20 Dec - 31 Dec	Delta
22 Dec - 03 Jan	Delta
23 Dec - 04 Jan	Delta
24 Dec - 04 Jan	Delta
19 Dec - 02 Jan	Delta

Also check the deals for one-way flights from Fort Lauderdale 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 Fort Lauderdale to Lisbon in December from 328€

Return flights