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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 April , May 2026

28 Apr - 09 May $ 337.00
TYS
Knoxville
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
28 Apr - 09 May $ 337.00
TYS
Knoxville
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
TYS
Knoxville
Pick dates
28 Apr - 09 May $ 337.00
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

29 Apr - 30 Apr $ 315.00
TYS
Knoxville
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
29 Apr - 30 Apr $ 338.00
TYS
Knoxville
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
22 Apr - 30 Apr $ 381.00
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

7:05 AM - 9:43 AM
United Airlines
1 Stops
4h 45m
TYS - SAT
$ 169
Kiwi
Pick dates
7:05 AM - 9:43 AM
United Airlines
1 Stops
4h 45m
TYS - SAT
$ 234
Kiwi
Pick dates
7:05 AM - 9:43 AM
United Airlines
1 Stops
4h 45m
TYS - SAT
$ 235
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.