Cheapest return flights from Jacksonville to San Juan in July from 251€

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

Return flights

31 Jul - 07 Aug Frontier Airlines direct
31 Jul - 04 Aug Frontier Airlines direct
27 Jul - 03 Aug 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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