FFL Helper
Jacksonville JAX
$66
ORD → JAX · Frontier Airlines
FFL Helper / Chicago / Jacksonville
CHI → JAX
Chicago (CHI) to Jacksonville (JAX)
Compare one-way fares for flights from Chicago to Jacksonville.
Lowest fare
$66
Distance
864 mi
Flight time
5h 39m
Airports
ORD–JAX
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By month: December 2026 from $66
Price calendar
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Upcoming dates
About this route
This calendar shows dated one-way fares from Chicago to Jacksonville. Use it to see which days are cheaper before you search tickets.
Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Chicago to Jacksonville.