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Cheap flights from Knoxville (TYS) to Jacksonville (JAX)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Knoxville (TYS) to Jacksonville (JAX)

How to find the cheapest flight from Knoxville (TYS) to Jacksonville (JAX)
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How to find the cheapest flight from Knoxville (TYS) to Jacksonville (JAX)
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How to find the cheapest flight from Knoxville (TYS) to Jacksonville (JAX)
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Cheap flights from Knoxville to Jacksonville in September , October 2026

24 Sep - 01 Oct $ 90.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
DIRECT
TYS
Knoxville
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10 Sep - 01 Oct $ 124.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
DIRECT
TYS
Knoxville
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10 Sep - 04 Oct $ 140.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
DIRECT
TYS
Knoxville
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Last minute flights from Knoxville to Jacksonville

17 Sep - 01 Oct $ 199.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
2 STOPS
TYS
Knoxville
Pick dates
17 Sep - 01 Oct $ 238.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
24 Sep - 01 Oct $ 238.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
1 STOPS
TYS
Knoxville
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One-way flights to Jacksonville from Knoxville

1:19 PM - 1:19 PM
Allegiant Air
0 Stops
1h 20m
TYS - JAX
$ 49
Kiwi
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1:19 PM - 1:19 PM
Allegiant Air
0 Stops
1h 20m
TYS - JAX
$ 83
Kiwi
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1:19 PM - 1:19 PM
Allegiant Air
0 Stops
1h 20m
TYS - JAX
$ 123
Kiwi
Pick dates

How to find the cheapest flight from Knoxville (TYS) to Jacksonville (JAX)

Related info for your journey
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How to find the cheapest flight from Knoxville (TYS) to Jacksonville (JAX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Jacksonville (JAX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.