Cheapest return flights from Fort Lauderdale to San Juan in December from $146

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

Return flights

04 Dec - 08 Dec jetBlue direct
06 Dec - 08 Dec jetBlue direct
08 Dec - 12 Dec jetBlue direct
09 Dec - 11 Dec jetBlue direct
04 Dec - 07 Dec jetBlue direct
13 Dec - 21 Dec jetBlue direct
01 Dec - 07 Dec Frontier Airlines direct
05 Dec - 07 Dec Spirit Airlines direct
05 Dec - 08 Dec Spirit Airlines direct
07 Dec - 11 Dec Spirit Airlines direct
30 Dec - 08 Jan Frontier Airlines direct
30 Dec - 10 Jan jetBlue
31 Dec - 12 Jan Spirit Airlines
29 Dec - 08 Jan jetBlue direct
30 Dec - 06 Jan jetBlue direct
30 Dec - 10 Jan jetBlue direct
31 Dec - 10 Jan Spirit Airlines
31 Dec - 11 Jan Spirit Airlines
29 Dec - 12 Jan jetBlue
28 Dec - 12 Jan Spirit Airlines

Also check the deals for one-way flights from Fort Lauderdale to San Juan in December.

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