Cheapest return flights from Jacksonville to San Juan in July from $194

AirHint found the following cheapest return flights from Jacksonville (JAX) to San Juan (SJU) in July 2025 (see full year).

Return flights

14 Jul - 18 Jul Frontier Airlines direct
13 Jul - 18 Jul Frontier Airlines direct
28 Jul - 07 Aug Frontier Airlines direct
21 Jul - 25 Jul Frontier Airlines direct
20 Jul - 26 Jul Frontier Airlines direct
20 Jul - 27 Jul Frontier Airlines direct
13 Jul - 19 Jul Frontier Airlines direct
14 Jul - 19 Jul Frontier Airlines direct
11 Jul - 18 Jul Frontier Airlines direct
12 Jul - 19 Jul Frontier Airlines
14 Jul - 20 Jul Frontier Airlines direct

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

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.

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