Cheapest return flights from Jacksonville to San Juan in December from 187€

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

Return flights

01 Dec - 04 Dec Frontier Airlines direct
07 Dec - 11 Dec Frontier Airlines direct
01 Dec - 14 Dec Frontier Airlines direct
04 Dec - 07 Dec Frontier Airlines direct
05 Dec - 07 Dec Frontier Airlines direct
11 Dec - 14 Dec Frontier Airlines direct
15 Dec - 23 Dec Allegiant Air
14 Dec - 22 Dec Frontier Airlines direct
17 Dec - 23 Dec jetBlue
16 Dec - 23 Dec jetBlue
23 Dec - 02 Jan Frontier Airlines direct
31 Dec - 04 Jan Frontier Airlines direct
27 Dec - 05 Jan Frontier Airlines direct
14 Dec - 04 Jan Frontier Airlines direct
23 Dec - 05 Jan Frontier Airlines direct
28 Dec - 05 Jan Frontier Airlines direct
27 Dec - 04 Jan Frontier Airlines direct
23 Dec - 04 Jan Frontier Airlines direct
23 Dec - 03 Jan Frontier Airlines direct
26 Dec - 04 Jan Frontier Airlines

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

Powered by

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.