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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 July , August 2026

24 Jul - 12 Aug $ 523.00
TYS
Knoxville
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
24 Jul - 12 Aug $ 523.00
TYS
Knoxville
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
24 Jul - 12 Aug $ 523.00
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

24 Jul - 31 Jul $ 812.00
TYS
Knoxville
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
TYS
Knoxville
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30 Jul - 31 Jul $ 845.00
TYS
Knoxville
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
26 Jul - 31 Jul $ 905.00
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

12:10 PM - 2:31 PM
United Airlines
1 Stops
4h 29m
TYS - SAT
$ 295
Kiwi
Pick dates
7:15 AM - 9:39 AM
United Airlines
1 Stops
4h 31m
TYS - SAT
$ 295
Kiwi
Pick dates
12:10 PM - 2:31 PM
United Airlines
1 Stops
4h 29m
TYS - SAT
$ 296
Kiwi
Pick dates

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.