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

Return flights

22 Dec - 28 Dec	Allegiant Air	direct
15 Dec - 28 Dec	Allegiant Air	direct
15 Dec - 19 Dec	Allegiant Air	direct
05 Dec - 08 Dec	Allegiant Air	direct
19 Dec - 23 Dec	Breeze Airways
16 Dec - 10 Jan	Delta
30 Dec - 03 Jan	Allegiant Air
26 Dec - 01 Jan	American Airlines
15 Dec - 17 Dec	Delta
27 Dec - 04 Jan	Delta

Also check the deals for one-way flights from South Bend to Fort Lauderdale 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 South Bend to Fort Lauderdale in December from $77

Return flights