Cheapest return flights from Jacksonville to San Juan in June from $302

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 June 2025 (see full year).

Return flights

19 Jun - 23 Jun American Airlines
07 Jun - 11 Jun American Airlines
20 Jun - 23 Jun American Airlines
05 Jun - 09 Jun Frontier Airlines direct
07 Jun - 11 Jun Frontier Airlines direct
26 Jun - 26 Jun American Airlines
19 Jun - 23 Jun Frontier Airlines direct
26 Jun - 30 Jun Frontier Airlines direct
20 Jun - 23 Jun Frontier Airlines direct
18 Jun - 22 Jun Frontier Airlines direct

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

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