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

Return flights

02 Dec - 09 Dec	Delta
03 Dec - 10 Dec	Delta
02 Dec - 11 Dec	Delta
09 Dec - 14 Jan	Delta
04 Dec - 14 Dec	Delta
06 Dec - 17 Dec	Delta
05 Dec - 15 Dec	Delta
24 Dec - 28 Dec	Delta
25 Dec - 30 Dec	Delta
16 Dec - 17 Jan	Delta
24 Dec - 31 Dec	Delta
21 Dec - 28 Dec	Delta
25 Dec - 03 Jan	Delta
12 Dec - 12 Jan	Delta
25 Dec - 04 Jan	Delta
28 Dec - 02 Jan	Delta
28 Dec - 11 Jan	Delta
28 Dec - 12 Jan	Delta
28 Dec - 05 Jan	Delta
27 Dec - 12 Jan	Delta

Also check the deals for one-way flights from Fort Lauderdale to Madrid 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 Madrid in December from $367

Return flights