Cheap Frontier Airlines flights Islip (ISP) to Jacksonville (JAX)

Cheap Frontier Airlines flights Islip (ISP) to Jacksonville (JAX)

Prices were available within the past 7 days and start at for one-way flights and $566 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 18 - Sun, Feb 21

ISP

Islip

JAX

Jacksonville

$566 Roundtrip, found 1 day ago

$566

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 18 from Islip to Jacksonville, returning Sun, Feb 21, priced at $566 found 1 day ago

Thu, Feb 18 - Mon, Feb 22

ISP

Islip

JAX

Jacksonville

$580 Roundtrip, found 1 day ago

$580

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 18 from Islip to Jacksonville, returning Mon, Feb 22, priced at $580 found 1 day ago