Cheapest return flights from Jacksonville to San Juan in May from $186

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 May 2025 (see full year).

Return flights

22 May - 27 May Frontier Airlines direct
25 May - 27 May Frontier Airlines direct
23 May - 29 May Frontier Airlines direct
26 May - 01 Jun Frontier Airlines direct
22 May - 25 May Frontier Airlines direct
23 May - 26 May Frontier Airlines direct
30 May - 02 Jun Frontier Airlines direct
15 May - 26 May Frontier Airlines direct
15 May - 18 May Frontier Airlines direct
26 May - 31 May Frontier Airlines
25 May - 31 May Frontier Airlines
24 May - 26 May Frontier Airlines

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

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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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