AirHint found the following cheapest return flights from Jacksonville (JAX) to San Juan (SJU) in June 2026 (see full year).
Return flights
| 08 Jun - 13 Jun | Frontier Airlines | direct | |
| 03 Jun - 05 Jun | Frontier Airlines | direct | |
| 09 Jun - 13 Jun | Southwest Airlines | ||
| 27 Jun - 18 Jul | Breeze Airways |
Also check the deals for one-way flights from Jacksonville to San Juan in June.
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.
Find us on social media