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Cheap flights from Knoxville (TYS) to San Antonio (SAT)

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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 San Antonio (SAT)

How to find the cheapest flight from Knoxville (TYS) to San Antonio (SAT)
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How to find the cheapest flight from Knoxville (TYS) to San Antonio (SAT)
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How to find the cheapest flight from Knoxville (TYS) to San Antonio (SAT)
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Cheap flights from Knoxville to San Antonio in January , February 2026

26 Jan - 02 Feb $ 337.00
TYS
Knoxville
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
TYS
Knoxville
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26 Jan - 02 Feb $ 337.00
TYS
Knoxville
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
TYS
Knoxville
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29 Jan - 01 Feb $ 354.00
TYS
Knoxville
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
TYS
Knoxville
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Last minute flights from Knoxville to San Antonio

26 Jan - 01 Feb $ 388.00
TYS
Knoxville
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
TYS
Knoxville
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28 Jan - 01 Feb $ 391.00
TYS
Knoxville
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
TYS
Knoxville
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30 Jan - 01 Feb $ 418.00
TYS
Knoxville
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
TYS
Knoxville
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One-way flights to San Antonio from Knoxville

12:55 PM - 9:43 PM
Spirit Airlines
1 Stops
11h 57m
TYS - SAT
$ 192
Kiwi
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4:47 PM - 9:43 PM
Spirit Airlines
2 Stops
32h 5m
TYS - SAT
$ 326
Kiwi
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6:59 AM - 9:36 AM
United Airlines
1 Stops
4h 48m
TYS - SAT
$ 329
Kiwi
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How to find the cheapest flight from Knoxville (TYS) to San Antonio (SAT)

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