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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 December 2025 , January 2026

23 Dec - 11 Jan $ 76.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
DIRECT
TYS
Knoxville
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23 Dec - 08 Jan $ 80.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
DIRECT
TYS
Knoxville
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23 Dec - 03 Jan $ 98.00
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

23 Dec - 01 Jan $ 280.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
2 STOPS
TYS
Knoxville
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21 Dec - 01 Jan $ 295.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
2 STOPS
TYS
Knoxville
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30 Dec - 01 Jan $ 302.00
TYS
Knoxville
Allegiant Air
DIRECT
JAX
Jacksonville
JAX
Jacksonville
Allegiant Air
2 STOPS
TYS
Knoxville
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One-way flights to Jacksonville from Knoxville

11:51 AM - 11:51 AM
Allegiant Air
0 Stops
1h 19m
TYS - JAX
$ 42
Kiwi
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1:22 PM - 1:22 PM
Allegiant Air
0 Stops
1h 19m
TYS - JAX
$ 55
Kiwi
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1:22 PM - 1:22 PM
Allegiant Air
0 Stops
1h 19m
TYS - JAX
$ 82
Kiwi
Pick dates

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)
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.