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Cheap flights from Knoxville (TYS) to Las Vegas (LAS)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Knoxville (TYS) to Las Vegas (LAS)

How to find the cheapest flight from Knoxville (TYS) to Las Vegas (LAS)
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How to find the cheapest flight from Knoxville (TYS) to Las Vegas (LAS)
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How to find the cheapest flight from Knoxville (TYS) to Las Vegas (LAS)
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Cheap flights from Knoxville to Las Vegas in February , March 2026

23 Feb - 04 Mar $ 190.00
TYS
Knoxville
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
DIRECT
TYS
Knoxville
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09 Feb - 04 Mar $ 238.00
TYS
Knoxville
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
DIRECT
TYS
Knoxville
Pick dates
09 Feb - 02 Mar $ 270.00
TYS
Knoxville
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
DIRECT
TYS
Knoxville
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Last minute flights from Knoxville to Las Vegas

23 Feb - 28 Feb $ 352.00
TYS
Knoxville
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
2 STOPS
TYS
Knoxville
Pick dates
16 Feb - 28 Feb $ 362.00
TYS
Knoxville
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
2 STOPS
TYS
Knoxville
Pick dates
09 Feb - 28 Feb $ 413.00
TYS
Knoxville
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
2 STOPS
TYS
Knoxville
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One-way flights to Las Vegas from Knoxville

1:40 PM - 1:40 PM
Allegiant Air
0 Stops
4h 48m
TYS - LAS
$ 107
Kiwi
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7:35 AM - 7:35 AM
Allegiant Air
0 Stops
4h 35m
TYS - LAS
$ 155
Kiwi
Pick dates
7:35 AM - 7:35 AM
Allegiant Air
0 Stops
4h 35m
TYS - LAS
$ 196
Kiwi
Pick dates

How to find the cheapest flight from Knoxville (TYS) to Las Vegas (LAS)

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