Deal found on September 17, 2026
Jacksonville to San Juan
$166$25435% off
Round trip
San Juan nonstop usually runs around $360 round trip, and today Frontier has it at just $166, a 54% discount. Availability stretches across the fall and into winter, and Puerto Rico's beaches and Old San Juan are hard to beat for a quick Caribbean escape at this price.
Travel dates
Dates in December
e.g. Dec 6 – Dec 15 · 9 nights
Date options
11 at this price
Lowest we've seen
$100
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