Cheapest return flights from Jacksonville to San Juan in June from $163

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

02 Jun - 05 Jun Frontier Airlines direct
14 Jun - 21 Jun Frontier Airlines direct
14 Jun - 19 Jun Frontier Airlines direct
08 Jun - 14 Jun Frontier Airlines direct
16 Jun - 21 Jun Frontier Airlines direct
28 Jun - 19 Jul Frontier Airlines direct
09 Jun - 27 Jun Frontier Airlines direct
09 Jun - 16 Jun Frontier Airlines direct
15 Jun - 22 Jun Frontier Airlines direct
27 Jun - 30 Jun Frontier Airlines direct
05 Jun - 15 Jun Frontier Airlines direct
22 Jun - 22 Jul Frontier Airlines

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

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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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