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

Return flights

08 Dec - 28 Dec	American Airlines
07 Dec - 12 Dec	American Airlines
05 Dec - 08 Dec	American Airlines
10 Dec - 28 Dec	United
08 Dec - 23 Dec	Delta
30 Dec - 15 Jan	Delta
25 Dec - 28 Jan	Delta
25 Dec - 19 Jan	Delta
25 Dec - 10 Jan	Delta
15 Dec - 09 Jan	Qantas
28 Dec - 08 Jan	Delta
21 Dec - 28 Dec	Delta
13 Dec - 20 Dec	Delta
12 Dec - 06 Jan	Delta
26 Dec - 10 Jan	Delta
27 Dec - 04 Jan	American Airlines
28 Dec - 04 Jan	American Airlines

Also check the deals for one-way flights from Fort Lauderdale to Sydney 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 Sydney

Cheap car rent in Sydney

Cheapest return flights from Fort Lauderdale to Sydney in December from $1249

Return flights