Cheapest return flights from Jacksonville to San Juan in December from 174€

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

Return flights

11 Dec - 14 Dec Frontier Airlines direct
05 Dec - 11 Dec Frontier Airlines direct
08 Dec - 11 Dec Frontier Airlines
31 Dec - 04 Jan Frontier Airlines direct
20 Dec - 24 Dec Frontier Airlines
18 Dec - 25 Dec Breeze Airways
18 Dec - 21 Dec Breeze Airways
21 Dec - 01 Jan Frontier Airlines direct
17 Dec - 24 Dec United
18 Dec - 25 Dec Frontier Airlines direct
20 Dec - 24 Dec Frontier Airlines direct
14 Dec - 04 Jan Frontier Airlines direct
24 Dec - 04 Jan Frontier Airlines direct
20 Dec - 04 Jan Frontier Airlines
21 Dec - 02 Jan Frontier Airlines direct
20 Dec - 04 Jan Frontier Airlines direct
19 Dec - 03 Jan Frontier Airlines
19 Dec - 03 Jan Frontier Airlines direct

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

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