Jacksonville skyline and St. Johns River
JAX
Jacksonville
Old San Juan Puerto Rico colorful buildings
SJU
San Juan

Jacksonville → San Juan

Frontier Airlines · Round Trip · Nonstop

Save $167 (55% off)
Compared to the typical price of $306
$170$306

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
May 22, 2026
Returns
May 25, 2026

Price History

Avg: $155
Low: $139
High: $170
$130$147$163$180Mar 29Apr 1

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