Cheapest return flights from Jacksonville to San Juan in April from $251

Best time to book flights for Jacksonville (JAX) to San Juan (SJU) flights at AirHint

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

Return flights

19 Apr - 21 Apr Frontier Airlines direct
24 Apr - 01 May Frontier Airlines direct
24 Apr - 27 Apr Frontier Airlines direct
27 Apr - 01 May Frontier Airlines direct
14 Apr - 19 Apr Frontier Airlines direct
16 Apr - 18 Apr Frontier Airlines direct
14 Apr - 18 Apr Frontier Airlines direct
07 Apr - 11 Apr Frontier Airlines direct
15 Apr - 19 Apr Frontier Airlines
28 Apr - 04 May jetBlue
12 Apr - 14 Apr Frontier Airlines direct
18 Apr - 22 Apr Frontier Airlines
25 Apr - 29 Apr American Airlines

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

Skyscanner

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