Nonstop route
San Juan to Jacksonville nonstop
Yes — Frontier and JetBlue fly SJU to JAX nonstop in the summer season only — about daily.
SJUSan Juan
✈
JAXJacksonville
daily13.8 flights a week
Summer only13.8/wk Jun vs 2.3/wk Jan
$75–$150typical one-way · median $100
1,288miles nonstop
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Fares are what people actually paid: half of the 698 tickets in the US DOT fare survey for this route sold between $75 and $150 one way, median $100. That survey runs a couple of quarters behind, so treat it as the shape of the route's pricing rather than today's quote.
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