Cheapest return JAX–SJU flights, July

AirHint found the following cheapest return flights from Jacksonville (JAX) to San Juan (SJU) in July 2026 (see full year).

Return flights

12 Jul - 02 Aug Frontier Airlines direct
23 Jul - 26 Jul Frontier Airlines direct
10 Jul - 16 Jul Frontier Airlines direct
03 Jul - 06 Jul Frontier Airlines direct
03 Jul - 13 Jul Frontier Airlines direct
01 Jul - 07 Jul Breeze Airways
01 Jul - 07 Jul Frontier Airlines direct
02 Jul - 06 Jul Frontier Airlines direct
27 Jul - 31 Jul Frontier Airlines

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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