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

Return flights

01 Dec - 12 Dec	Delta
02 Dec - 10 Dec	Delta
03 Dec - 09 Dec	Delta
08 Dec - 15 Dec	Delta
11 Dec - 16 Dec	Delta
30 Dec - 09 Jan	Delta
31 Dec - 09 Jan	Delta
31 Dec - 24 Jan	Air Canada
06 Dec - 13 Dec	Delta
14 Dec - 13 Jan	Delta
14 Dec - 14 Jan	Delta
15 Dec - 13 Jan	Delta
31 Dec - 10 Jan	Delta
30 Dec - 10 Jan	Delta
04 Dec - 12 Dec	Air Transat
14 Dec - 11 Jan	Delta
14 Dec - 12 Jan	Delta
04 Dec - 08 Dec	Lufthansa
03 Dec - 27 Dec	Air France
03 Dec - 05 Dec	Lufthansa

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 $495

Return flights