Cheapest one-way flights from Boston to Fort Lauderdale in December from $108

AirHint found the following cheapest one-way flights from Boston (BOS) to Fort Lauderdale (FLL) in December 2025 (see full year).

One-Way flights

31 Dec United
22 Dec Frontier Airlines
31 Dec jetBlue direct
18 Dec jetBlue direct
16 Dec Delta direct
17 Dec Delta direct
30 Dec Frontier Airlines
29 Dec jetBlue direct
19 Dec Frontier Airlines
19 Dec jetBlue direct

Also check the deals for return flights from Boston to Fort Lauderdale in December.

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