Cheapest return flights from Jacksonville to San Juan in December from 179€

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

Return flights

14 Dec - 23 Dec Frontier Airlines direct
11 Dec - 14 Dec Frontier Airlines
14 Dec - 19 Dec Frontier Airlines
07 Dec - 11 Dec Frontier Airlines
19 Dec - 22 Dec Frontier Airlines
18 Dec - 22 Dec Frontier Airlines
20 Dec - 25 Dec Frontier Airlines direct
18 Dec - 09 Jan Frontier Airlines direct
19 Dec - 23 Dec Frontier Airlines direct
18 Dec - 23 Dec Frontier Airlines direct
26 Dec - 31 Dec Frontier Airlines direct
28 Dec - 18 Jan Frontier Airlines direct
19 Dec - 08 Jan Frontier Airlines
21 Dec - 01 Jan Frontier Airlines direct
20 Dec - 01 Jan Frontier Airlines direct
19 Dec - 08 Jan Frontier Airlines direct
27 Dec - 01 Jan Frontier Airlines direct
24 Dec - 04 Jan Frontier Airlines direct
31 Dec - 04 Jan Frontier Airlines direct
14 Dec - 04 Jan Frontier Airlines direct

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

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