Cheapest one-way flights from Jacksonville to San Juan in December from 81€

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

One-Way flights

11 Dec Frontier Airlines direct
31 Dec Delta
14 Dec Frontier Airlines direct
31 Dec Frontier Airlines direct
30 Dec Frontier Airlines direct
12 Dec Frontier Airlines
10 Dec Southwest Airlines
19 Dec Frontier Airlines direct
25 Dec Breeze Airways
20 Dec Frontier Airlines direct

Also check the deals for return flights from Jacksonville to San Juan in December.

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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.

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