Cheapest return flights from Jacksonville to San Juan in March from $218

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

Return flights

02 Mar - 06 Mar Frontier Airlines
12 Mar - 17 Mar jetBlue
13 Mar - 18 Mar jetBlue
13 Mar - 17 Mar jetBlue
15 Mar - 19 Mar American Airlines
14 Mar - 18 Mar jetBlue
16 Mar - 20 Mar jetBlue
14 Mar - 20 Mar jetBlue
13 Mar - 20 Mar jetBlue direct
05 Mar - 10 Mar Frontier Airlines

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

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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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