Cheapest return flights from Jacksonville to San Juan in July from 202€

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

Return flights

25 Jul - 27 Jul Frontier Airlines direct
31 Jul - 18 Aug Frontier Airlines direct
28 Jul - 31 Jul Frontier Airlines
24 Jul - 31 Jul Frontier Airlines
10 Jul - 08 Aug Frontier Airlines
17 Jul - 26 Jul Frontier Airlines direct
12 Jul - 19 Jul Frontier Airlines direct
21 Jul - 25 Jul Frontier Airlines
24 Jul - 02 Aug Frontier Airlines
17 Jul - 20 Jul Frontier Airlines
10 Jul - 17 Jul Frontier Airlines
25 Jul - 28 Jul Southwest Airlines
26 Jul - 28 Jul Southwest Airlines

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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