Cheapest return flights from Jacksonville to San Juan in July from $197

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 July 2025 (see full year).

Return flights

07 Jul - 11 Jul Frontier Airlines direct
12 Jul - 19 Jul Frontier Airlines direct
06 Jul - 12 Jul Frontier Airlines direct
14 Jul - 21 Jul Frontier Airlines direct
03 Jul - 06 Jul Frontier Airlines direct
22 Jul - 29 Jul United

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

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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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