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

Return flights

03 Dec - 10 Dec	Spirit Airlines
03 Dec - 18 Dec	Delta
11 Dec - 18 Dec	Delta
12 Dec - 19 Dec	Delta
26 Dec - 10 Jan	Delta
15 Dec - 22 Dec	Delta
17 Dec - 24 Dec	Delta
18 Dec - 29 Jan	Delta
23 Dec - 28 Dec	Delta
14 Dec - 21 Dec	Delta
19 Dec - 30 Jan	Delta
21 Dec - 26 Dec	Delta
10 Dec - 31 Dec	jetBlue
23 Dec - 17 Jan	jetBlue
10 Dec - 02 Jan	jetBlue

Also check the deals for one-way flights from Fort Lauderdale to Dublin 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 Dublin in December from $452

Return flights