AirHint found the following cheapest return flights from Jacksonville (JAX) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 20 Apr - 24 Apr | jetBlue | direct | |
| 11 Apr - 17 Apr | jetBlue | direct | |
| 08 Apr - 11 Apr | jetBlue | direct | |
| 23 Apr - 30 Apr | jetBlue | ||
| 03 Apr - 06 Apr | jetBlue | ||
| 03 Apr - 06 Apr | jetBlue | direct |
Also check the deals for one-way flights from Jacksonville to San Juan in April.
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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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